Revert "Fix menus congestion and improve thread reply layout (#2402)"

This reverts commit d8d4714370.

.github/workflows/build-pull-request.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4.2.0
       - name: Setup node
-        uses: actions/setup-node@v4.3.0
+        uses: actions/setup-node@v4.4.0
         with:
           node-version: 20.12.2
           cache: 'npm'

.github/workflows/deploy-pull-request.yml

@@ -15,7 +15,7 @@ jobs:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
       - name: Download pr number
-        uses: dawidd6/action-download-artifact@07ab29fd4a977ae4d2b275087cf67563dfdf0295
+        uses: dawidd6/action-download-artifact@ac66b43f0e6a346234dd65d4d0c8fbb31cb316e5
         with:
           workflow: ${{ github.event.workflow.id }}
           run_id: ${{ github.event.workflow_run.id }}
@@ -24,7 +24,7 @@ jobs:
         id: pr
         run: echo "id=$(<pr.txt)" >> $GITHUB_OUTPUT
       - name: Download artifact
-        uses: dawidd6/action-download-artifact@07ab29fd4a977ae4d2b275087cf67563dfdf0295
+        uses: dawidd6/action-download-artifact@ac66b43f0e6a346234dd65d4d0c8fbb31cb316e5
         with:
           workflow: ${{ github.event.workflow.id }}
           run_id: ${{ github.event.workflow_run.id }}

.github/workflows/docker-pr.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4.2.0
       - name: Build Docker image
-        uses: docker/build-push-action@v6.15.0
+        uses: docker/build-push-action@v6.18.0
         with:
           context: .
           push: false

.github/workflows/netlify-dev.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4.2.0
       - name: Setup node
-        uses: actions/setup-node@v4.3.0
+        uses: actions/setup-node@v4.4.0
         with:
           node-version: 20.12.2
           cache: 'npm'

.github/workflows/prod-deploy.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4.2.0
       - name: Setup node
-        uses: actions/setup-node@v4.3.0
+        uses: actions/setup-node@v4.4.0
         with:
           node-version: 20.12.2
           cache: 'npm'
@@ -52,7 +52,7 @@ jobs:
           gpg --export | xxd -p
           echo '${{ secrets.GNUPG_PASSPHRASE }}' | gpg --batch --yes --pinentry-mode loopback --passphrase-fd 0 --armor --detach-sign cinny-${{ steps.vars.outputs.tag }}.tar.gz
       - name: Upload tagged release
-        uses: softprops/action-gh-release@c95fe1489396fe8a9eb87c0abf8aa5b2ef267fda
+        uses: softprops/action-gh-release@72f2c25fcb47643c292f7107632f7a47c1df5cd8
         with:
           files: |
             cinny-${{ steps.vars.outputs.tag }}.tar.gz
@@ -90,7 +90,7 @@ jobs:
             ${{ secrets.DOCKER_USERNAME }}/cinny
             ghcr.io/${{ github.repository }}
       - name: Build and push Docker image
-        uses: docker/build-push-action@v6.15.0
+        uses: docker/build-push-action@v6.18.0
         with:
           context: .
           platforms: linux/amd64,linux/arm64

Dockerfile

@@ -11,7 +11,7 @@ RUN npm run build
 
 
 ## App
-FROM nginx:1.27.4-alpine
+FROM nginx:1.29.0-alpine
 
 COPY --from=builder /src/dist /app
 COPY --from=builder /src/docker-nginx.conf /etc/nginx/conf.d/default.conf

package-lock.json

@@ -99,7 +99,7 @@
         "prettier": "2.8.1",
         "sass": "1.56.2",
         "typescript": "4.9.4",
-        "vite": "5.4.15",
+        "vite": "5.4.19",
         "vite-plugin-pwa": "0.20.5",
         "vite-plugin-static-copy": "1.0.4",
         "vite-plugin-top-level-await": "1.4.4"
@@ -11331,9 +11331,9 @@
       }
     },
     "node_modules/vite": {
-      "version": "5.4.15",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-5.4.15.tgz",
-      "integrity": "sha512-6ANcZRivqL/4WtwPGTKNaosuNJr5tWiftOC7liM7G9+rMb8+oeJeyzymDu4rTN93seySBmbjSfsS3Vzr19KNtA==",
+      "version": "5.4.19",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-5.4.19.tgz",
+      "integrity": "sha512-qO3aKv3HoQC8QKiNSTuUM1l9o/XX3+c+VTgLHbJWHZGeTPVAg2XwazI9UWzoxjIJCGCV2zU60uqMzjeLZuULqA==",
       "license": "MIT",
       "dependencies": {
         "esbuild": "^0.21.3",

package.json

@@ -110,7 +110,7 @@
     "prettier": "2.8.1",
     "sass": "1.56.2",
     "typescript": "4.9.4",
-    "vite": "5.4.15",
+    "vite": "5.4.19",
     "vite-plugin-pwa": "0.20.5",
     "vite-plugin-static-copy": "1.0.4",
     "vite-plugin-top-level-await": "1.4.4"

src/app/atoms/time/Time.jsx

@@ -4,10 +4,25 @@ import PropTypes from 'prop-types';
 import dateFormat from 'dateformat';
 import { isInSameDay } from '../../../util/common';
 
-function Time({ timestamp, fullTime }) {
+/**
+ * Renders a formatted timestamp.
+ *
+ * Displays the time in hour:minute format if the message is from today or yesterday, unless `fullTime` is true.
+ * For older messages, it shows the date and time.
+ *
+ * @param {number} timestamp - The timestamp to display.
+ * @param {boolean} [fullTime=false] - If true, always show the full date and time.
+ * @param {boolean} hour24Clock - Whether to use 24-hour time format.
+ * @param {string} dateFormatString - Format string for the date part.
+ * @returns {JSX.Element} A <time> element with the formatted date/time.
+ */
+function Time({ timestamp, fullTime, hour24Clock, dateFormatString }) {
   const date = new Date(timestamp);
 
-  const formattedFullTime = dateFormat(date, 'dd mmmm yyyy, hh:MM TT');
+  const formattedFullTime = dateFormat(
+    date,
+    hour24Clock ? 'dd mmmm yyyy, HH:MM' : 'dd mmmm yyyy, hh:MM TT'
+  );
   let formattedDate = formattedFullTime;
 
   if (!fullTime) {
@@ -16,17 +31,19 @@ function Time({ timestamp, fullTime }) {
     compareDate.setDate(compareDate.getDate() - 1);
     const isYesterday = isInSameDay(date, compareDate);
 
-    formattedDate = dateFormat(date, isToday || isYesterday ? 'hh:MM TT' : 'dd/mm/yyyy');
+    const timeFormat = hour24Clock ? 'HH:MM' : 'hh:MM TT';
+
+    formattedDate = dateFormat(
+      date,
+      isToday || isYesterday ? timeFormat : dateFormatString.toLowerCase()
+    );
     if (isYesterday) {
       formattedDate = `Yesterday, ${formattedDate}`;
     }
   }
 
   return (
-    <time
-      dateTime={date.toISOString()}
-      title={formattedFullTime}
-    >
+    <time dateTime={date.toISOString()} title={formattedFullTime}>
       {formattedDate}
     </time>
   );
@@ -39,6 +56,8 @@ Time.defaultProps = {
 Time.propTypes = {
   timestamp: PropTypes.number.isRequired,
   fullTime: PropTypes.bool,
+  hour24Clock: PropTypes.bool.isRequired,
+  dateFormatString: PropTypes.string.isRequired,
 };
 
 export default Time;

src/app/components/CapabilitiesAndMediaConfigLoader.tsx

@@ -1,36 +0,0 @@
-import { ReactNode, useCallback, useEffect } from 'react';
-import { Capabilities } from 'matrix-js-sdk';
-import { AsyncStatus, useAsyncCallback } from '../hooks/useAsyncCallback';
-import { useMatrixClient } from '../hooks/useMatrixClient';
-import { MediaConfig } from '../hooks/useMediaConfig';
-import { promiseFulfilledResult } from '../utils/common';
-
-type CapabilitiesAndMediaConfigLoaderProps = {
-  children: (capabilities?: Capabilities, mediaConfig?: MediaConfig) => ReactNode;
-};
-export function CapabilitiesAndMediaConfigLoader({
-  children,
-}: CapabilitiesAndMediaConfigLoaderProps) {
-  const mx = useMatrixClient();
-
-  const [state, load] = useAsyncCallback<
-    [Capabilities | undefined, MediaConfig | undefined],
-    unknown,
-    []
-  >(
-    useCallback(async () => {
-      const result = await Promise.allSettled([mx.getCapabilities(), mx.getMediaConfig()]);
-      const capabilities = promiseFulfilledResult(result[0]);
-      const mediaConfig = promiseFulfilledResult(result[1]);
-      return [capabilities, mediaConfig];
-    }, [mx])
-  );
-
-  useEffect(() => {
-    load();
-  }, [load]);
-
-  const [capabilities, mediaConfig] =
-    state.status === AsyncStatus.Success ? state.data : [undefined, undefined];
-  return children(capabilities, mediaConfig);
-}

src/app/components/ServerConfigsLoader.tsx

@@ -0,0 +1,52 @@
+import { ReactNode, useCallback, useMemo } from 'react';
+import { Capabilities, validateAuthMetadata, ValidatedAuthMetadata } from 'matrix-js-sdk';
+import { AsyncStatus, useAsyncCallbackValue } from '../hooks/useAsyncCallback';
+import { useMatrixClient } from '../hooks/useMatrixClient';
+import { MediaConfig } from '../hooks/useMediaConfig';
+import { promiseFulfilledResult } from '../utils/common';
+
+export type ServerConfigs = {
+  capabilities?: Capabilities;
+  mediaConfig?: MediaConfig;
+  authMetadata?: ValidatedAuthMetadata;
+};
+
+type ServerConfigsLoaderProps = {
+  children: (configs: ServerConfigs) => ReactNode;
+};
+export function ServerConfigsLoader({ children }: ServerConfigsLoaderProps) {
+  const mx = useMatrixClient();
+  const fallbackConfigs = useMemo(() => ({}), []);
+
+  const [configsState] = useAsyncCallbackValue<ServerConfigs, unknown>(
+    useCallback(async () => {
+      const result = await Promise.allSettled([
+        mx.getCapabilities(),
+        mx.getMediaConfig(),
+        mx.getAuthMetadata(),
+      ]);
+
+      const capabilities = promiseFulfilledResult(result[0]);
+      const mediaConfig = promiseFulfilledResult(result[1]);
+      const authMetadata = promiseFulfilledResult(result[2]);
+      let validatedAuthMetadata: ValidatedAuthMetadata | undefined;
+
+      try {
+        validatedAuthMetadata = validateAuthMetadata(authMetadata);
+      } catch (e) {
+        console.error(e);
+      }
+
+      return {
+        capabilities,
+        mediaConfig,
+        authMetadata: validatedAuthMetadata,
+      };
+    }, [mx])
+  );
+
+  const configs: ServerConfigs =
+    configsState.status === AsyncStatus.Success ? configsState.data : fallbackConfigs;
+
+  return children(configs);
+}

src/app/components/editor/Elements.tsx

@@ -157,7 +157,7 @@ export function RenderElement({ attributes, element, children }: RenderElementPr
         <Text as="pre" className={css.CodeBlock} {...attributes}>
           <Scroll
             direction="Horizontal"
-            variant="Secondary"
+            variant="SurfaceVariant"
             size="300"
             visibility="Hover"
             hideTrack

src/app/components/editor/autocomplete/RoomMentionAutocomplete.tsx

@@ -9,7 +9,7 @@ import { getDirectRoomAvatarUrl } from '../../../utils/room';
 import { useMatrixClient } from '../../../hooks/useMatrixClient';
 import { AutocompleteQuery } from './autocompleteQuery';
 import { AutocompleteMenu } from './AutocompleteMenu';
-import { getMxIdServer, validMxId } from '../../../utils/matrix';
+import { getMxIdServer, isRoomAlias } from '../../../utils/matrix';
 import { UseAsyncSearchOptions, useAsyncSearch } from '../../../hooks/useAsyncSearch';
 import { onTabPress } from '../../../utils/keyboard';
 import { useKeyDown } from '../../../hooks/useKeyDown';
@@ -22,7 +22,7 @@ import { getViaServers } from '../../../plugins/via-servers';
 type MentionAutoCompleteHandler = (roomAliasOrId: string, name: string) => void;
 
 const roomAliasFromQueryText = (mx: MatrixClient, text: string) =>
-  validMxId(`#${text}`)
+  isRoomAlias(`#${text}`)
     ? `#${text}`
     : `#${text}${text.endsWith(':') ? '' : ':'}${getMxIdServer(mx.getUserId() ?? '')}`;
 

src/app/components/editor/autocomplete/UserMentionAutocomplete.tsx

@@ -15,7 +15,7 @@ import {
 import { onTabPress } from '../../../utils/keyboard';
 import { createMentionElement, moveCursor, replaceWithElement } from '../utils';
 import { useKeyDown } from '../../../hooks/useKeyDown';
-import { getMxIdLocalPart, getMxIdServer, validMxId } from '../../../utils/matrix';
+import { getMxIdLocalPart, getMxIdServer, isUserId } from '../../../utils/matrix';
 import { getMemberDisplayName, getMemberSearchStr } from '../../../utils/room';
 import { UserAvatar } from '../../user-avatar';
 import { useMediaAuthentication } from '../../../hooks/useMediaAuthentication';
@@ -24,7 +24,7 @@ import { Membership } from '../../../../types/matrix/room';
 type MentionAutoCompleteHandler = (userId: string, name: string) => void;
 
 const userIdFromQueryText = (mx: MatrixClient, text: string) =>
-  validMxId(`@${text}`)
+  isUserId(`@${text}`)
     ? `@${text}`
     : `@${text}${text.endsWith(':') ? '' : ':'}${getMxIdServer(mx.getUserId() ?? '')}`;
 

src/app/components/message/Time.tsx

@@ -5,19 +5,35 @@ import { timeDayMonYear, timeHourMinute, today, yesterday } from '../../utils/ti
 export type TimeProps = {
   compact?: boolean;
   ts: number;
+  hour24Clock: boolean;
+  dateFormatString: string;
 };
 
+/**
+ * Renders a formatted timestamp, supporting compact and full display modes.
+ *
+ * Displays the time in hour:minute format if the message is from today, yesterday, or if `compact` is true.
+ * For older messages, it shows the date and time.
+ *
+ * @param {number} ts - The timestamp to display.
+ * @param {boolean} [compact=false] - If true, always show only the time.
+ * @param {boolean} hour24Clock - Whether to use 24-hour time format.
+ * @param {string} dateFormatString - Format string for the date part.
+ * @returns {React.ReactElement} A <Text as="time"> element with the formatted date/time.
+ */
 export const Time = as<'span', TimeProps & ComponentProps<typeof Text>>(
-  ({ compact, ts, ...props }, ref) => {
+  ({ compact, hour24Clock, dateFormatString, ts, ...props }, ref) => {
+    const formattedTime = timeHourMinute(ts, hour24Clock);
+
     let time = '';
     if (compact) {
-      time = timeHourMinute(ts);
+      time = formattedTime;
     } else if (today(ts)) {
-      time = timeHourMinute(ts);
+      time = formattedTime;
     } else if (yesterday(ts)) {
-      time = `Yesterday ${timeHourMinute(ts)}`;
+      time = `Yesterday ${formattedTime}`;
     } else {
-      time = `${timeDayMonYear(ts)} ${timeHourMinute(ts)}`;
+      time = `${timeDayMonYear(ts, dateFormatString)} ${formattedTime}`;
     }
 
     return (

src/app/components/message/content/style.css.ts

@@ -16,6 +16,7 @@ export const AbsoluteContainer = style([
     position: 'absolute',
     top: 0,
     left: 0,
+    zIndex: 1,
     width: '100%',
     height: '100%',
   },

src/app/components/room-intro/RoomIntro.tsx

@@ -15,6 +15,8 @@ import { nameInitials } from '../../utils/common';
 import { useRoomAvatar, useRoomName, useRoomTopic } from '../../hooks/useRoomMeta';
 import { mDirectAtom } from '../../state/mDirectList';
 import { useMediaAuthentication } from '../../hooks/useMediaAuthentication';
+import { useSetting } from '../../state/hooks/settings';
+import { settingsAtom } from '../../state/settings';
 
 export type RoomIntroProps = {
   room: Room;
@@ -43,6 +45,8 @@ export const RoomIntro = as<'div', RoomIntroProps>(({ room, ...props }, ref) =>
     useCallback(async (roomId: string) => mx.joinRoom(roomId), [mx])
   );
 
+  const [hour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+
   return (
     <Box direction="Column" grow="Yes" gap="500" {...props} ref={ref}>
       <Box>
@@ -67,7 +71,7 @@ export const RoomIntro = as<'div', RoomIntroProps>(({ room, ...props }, ref) =>
             <Text size="T200" priority="300">
               {'Created by '}
               <b>@{creatorName}</b>
-              {` on ${timeDayMonthYear(ts)} ${timeHourMinute(ts)}`}
+              {` on ${timeDayMonthYear(ts)} ${timeHourMinute(ts, hour24Clock)}`}
             </Text>
           )}
         </Box>

src/app/components/time-date/DatePicker.tsx

@@ -0,0 +1,129 @@
+import React, { forwardRef } from 'react';
+import { Menu, Box, Text, Chip } from 'folds';
+import dayjs from 'dayjs';
+import * as css from './styles.css';
+import { PickerColumn } from './PickerColumn';
+import { dateFor, daysInMonth, daysToMs } from '../../utils/time';
+
+type DatePickerProps = {
+  min: number;
+  max: number;
+  value: number;
+  onChange: (value: number) => void;
+};
+export const DatePicker = forwardRef<HTMLDivElement, DatePickerProps>(
+  ({ min, max, value, onChange }, ref) => {
+    const selectedYear = dayjs(value).year();
+    const selectedMonth = dayjs(value).month() + 1;
+    const selectedDay = dayjs(value).date();
+
+    const handleSubmit = (newValue: number) => {
+      onChange(Math.min(Math.max(min, newValue), max));
+    };
+
+    const handleDay = (day: number) => {
+      const seconds = daysToMs(day);
+      const lastSeconds = daysToMs(selectedDay);
+      const newValue = value + (seconds - lastSeconds);
+      handleSubmit(newValue);
+    };
+
+    const handleMonthAndYear = (month: number, year: number) => {
+      const mDays = daysInMonth(month, year);
+      const currentDate = dateFor(selectedYear, selectedMonth, selectedDay);
+      const time = value - currentDate;
+
+      const newDate = dateFor(year, month, mDays < selectedDay ? mDays : selectedDay);
+
+      const newValue = newDate + time;
+      handleSubmit(newValue);
+    };
+
+    const handleMonth = (month: number) => {
+      handleMonthAndYear(month, selectedYear);
+    };
+
+    const handleYear = (year: number) => {
+      handleMonthAndYear(selectedMonth, year);
+    };
+
+    const minYear = dayjs(min).year();
+    const maxYear = dayjs(max).year();
+    const yearsRange = maxYear - minYear + 1;
+
+    const minMonth = dayjs(min).month() + 1;
+    const maxMonth = dayjs(max).month() + 1;
+
+    const minDay = dayjs(min).date();
+    const maxDay = dayjs(max).date();
+    return (
+      <Menu className={css.PickerMenu} ref={ref}>
+        <Box direction="Row" gap="200" className={css.PickerContainer}>
+          <PickerColumn title="Day">
+            {Array.from(Array(daysInMonth(selectedMonth, selectedYear)).keys())
+              .map((i) => i + 1)
+              .map((day) => (
+                <Chip
+                  key={day}
+                  size="500"
+                  variant={selectedDay === day ? 'Primary' : 'SurfaceVariant'}
+                  fill="None"
+                  radii="300"
+                  aria-selected={selectedDay === day}
+                  onClick={() => handleDay(day)}
+                  disabled={
+                    (selectedYear === minYear && selectedMonth === minMonth && day < minDay) ||
+                    (selectedYear === maxYear && selectedMonth === maxMonth && day > maxDay)
+                  }
+                >
+                  <Text size="T300">{day}</Text>
+                </Chip>
+              ))}
+          </PickerColumn>
+          <PickerColumn title="Month">
+            {Array.from(Array(12).keys())
+              .map((i) => i + 1)
+              .map((month) => (
+                <Chip
+                  key={month}
+                  size="500"
+                  variant={selectedMonth === month ? 'Primary' : 'SurfaceVariant'}
+                  fill="None"
+                  radii="300"
+                  aria-selected={selectedMonth === month}
+                  onClick={() => handleMonth(month)}
+                  disabled={
+                    (selectedYear === minYear && month < minMonth) ||
+                    (selectedYear === maxYear && month > maxMonth)
+                  }
+                >
+                  <Text size="T300">
+                    {dayjs()
+                      .month(month - 1)
+                      .format('MMM')}
+                  </Text>
+                </Chip>
+              ))}
+          </PickerColumn>
+          <PickerColumn title="Year">
+            {Array.from(Array(yearsRange).keys())
+              .map((i) => minYear + i)
+              .map((year) => (
+                <Chip
+                  key={year}
+                  size="500"
+                  variant={selectedYear === year ? 'Primary' : 'SurfaceVariant'}
+                  fill="None"
+                  radii="300"
+                  aria-selected={selectedYear === year}
+                  onClick={() => handleYear(year)}
+                >
+                  <Text size="T300">{year}</Text>
+                </Chip>
+              ))}
+          </PickerColumn>
+        </Box>
+      </Menu>
+    );
+  }
+);

src/app/components/time-date/PickerColumn.tsx

@@ -0,0 +1,23 @@
+import React, { ReactNode } from 'react';
+import { Box, Text, Scroll } from 'folds';
+import { CutoutCard } from '../cutout-card';
+import * as css from './styles.css';
+
+export function PickerColumn({ title, children }: { title: string; children: ReactNode }) {
+  return (
+    <Box direction="Column" gap="100">
+      <Text className={css.PickerColumnLabel} size="L400">
+        {title}
+      </Text>
+      <Box grow="Yes">
+        <CutoutCard variant="Background">
+          <Scroll variant="Background" size="300" hideTrack>
+            <Box className={css.PickerColumnContent} direction="Column" gap="100">
+              {children}
+            </Box>
+          </Scroll>
+        </CutoutCard>
+      </Box>
+    </Box>
+  );
+}

src/app/components/time-date/TimePicker.tsx

@@ -0,0 +1,153 @@
+import React, { forwardRef } from 'react';
+import { Menu, Box, Text, Chip } from 'folds';
+import dayjs from 'dayjs';
+import * as css from './styles.css';
+import { PickerColumn } from './PickerColumn';
+import { hour12to24, hour24to12, hoursToMs, inSameDay, minutesToMs } from '../../utils/time';
+import { useSetting } from '../../state/hooks/settings';
+import { settingsAtom } from '../../state/settings';
+
+type TimePickerProps = {
+  min: number;
+  max: number;
+  value: number;
+  onChange: (value: number) => void;
+};
+export const TimePicker = forwardRef<HTMLDivElement, TimePickerProps>(
+  ({ min, max, value, onChange }, ref) => {
+    const [hour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+
+    const hour24 = dayjs(value).hour();
+
+    const selectedHour = hour24Clock ? hour24 : hour24to12(hour24);
+    const selectedMinute = dayjs(value).minute();
+    const selectedPM = hour24 >= 12;
+
+    const handleSubmit = (newValue: number) => {
+      onChange(Math.min(Math.max(min, newValue), max));
+    };
+
+    const handleHour = (hour: number) => {
+      const seconds = hoursToMs(hour24Clock ? hour : hour12to24(hour, selectedPM));
+      const lastSeconds = hoursToMs(hour24);
+      const newValue = value + (seconds - lastSeconds);
+      handleSubmit(newValue);
+    };
+
+    const handleMinute = (minute: number) => {
+      const seconds = minutesToMs(minute);
+      const lastSeconds = minutesToMs(selectedMinute);
+      const newValue = value + (seconds - lastSeconds);
+      handleSubmit(newValue);
+    };
+
+    const handlePeriod = (pm: boolean) => {
+      const seconds = hoursToMs(hour12to24(selectedHour, pm));
+      const lastSeconds = hoursToMs(hour24);
+      const newValue = value + (seconds - lastSeconds);
+      handleSubmit(newValue);
+    };
+
+    const minHour24 = dayjs(min).hour();
+    const maxHour24 = dayjs(max).hour();
+
+    const minMinute = dayjs(min).minute();
+    const maxMinute = dayjs(max).minute();
+    const minPM = minHour24 >= 12;
+    const maxPM = maxHour24 >= 12;
+
+    const minDay = inSameDay(min, value);
+    const maxDay = inSameDay(max, value);
+
+    return (
+      <Menu className={css.PickerMenu} ref={ref}>
+        <Box direction="Row" gap="200" className={css.PickerContainer}>
+          <PickerColumn title="Hour">
+            {hour24Clock
+              ? Array.from(Array(24).keys()).map((hour) => (
+                  <Chip
+                    key={hour}
+                    size="500"
+                    variant={hour === selectedHour ? 'Primary' : 'Background'}
+                    fill="None"
+                    radii="300"
+                    aria-selected={hour === selectedHour}
+                    onClick={() => handleHour(hour)}
+                    disabled={(minDay && hour < minHour24) || (maxDay && hour > maxHour24)}
+                  >
+                    <Text size="T300">{hour < 10 ? `0${hour}` : hour}</Text>
+                  </Chip>
+                ))
+              : Array.from(Array(12).keys())
+                  .map((i) => {
+                    if (i === 0) return 12;
+                    return i;
+                  })
+                  .map((hour) => (
+                    <Chip
+                      key={hour}
+                      size="500"
+                      variant={hour === selectedHour ? 'Primary' : 'Background'}
+                      fill="None"
+                      radii="300"
+                      aria-selected={hour === selectedHour}
+                      onClick={() => handleHour(hour)}
+                      disabled={
+                        (minDay && hour12to24(hour, selectedPM) < minHour24) ||
+                        (maxDay && hour12to24(hour, selectedPM) > maxHour24)
+                      }
+                    >
+                      <Text size="T300">{hour < 10 ? `0${hour}` : hour}</Text>
+                    </Chip>
+                  ))}
+          </PickerColumn>
+          <PickerColumn title="Minutes">
+            {Array.from(Array(60).keys()).map((minute) => (
+              <Chip
+                key={minute}
+                size="500"
+                variant={minute === selectedMinute ? 'Primary' : 'Background'}
+                fill="None"
+                radii="300"
+                aria-selected={minute === selectedMinute}
+                onClick={() => handleMinute(minute)}
+                disabled={
+                  (minDay && hour24 === minHour24 && minute < minMinute) ||
+                  (maxDay && hour24 === maxHour24 && minute > maxMinute)
+                }
+              >
+                <Text size="T300">{minute < 10 ? `0${minute}` : minute}</Text>
+              </Chip>
+            ))}
+          </PickerColumn>
+          {!hour24Clock && (
+            <PickerColumn title="Period">
+              <Chip
+                size="500"
+                variant={!selectedPM ? 'Primary' : 'SurfaceVariant'}
+                fill="None"
+                radii="300"
+                aria-selected={!selectedPM}
+                onClick={() => handlePeriod(false)}
+                disabled={minDay && minPM}
+              >
+                <Text size="T300">AM</Text>
+              </Chip>
+              <Chip
+                size="500"
+                variant={selectedPM ? 'Primary' : 'SurfaceVariant'}
+                fill="None"
+                radii="300"
+                aria-selected={selectedPM}
+                onClick={() => handlePeriod(true)}
+                disabled={maxDay && !maxPM}
+              >
+                <Text size="T300">PM</Text>
+              </Chip>
+            </PickerColumn>
+          )}
+        </Box>
+      </Menu>
+    );
+  }
+);

src/app/components/time-date/index.ts

@@ -0,0 +1,2 @@
+export * from './TimePicker';
+export * from './DatePicker';

src/app/components/time-date/styles.css.ts

@@ -0,0 +1,16 @@
+import { style } from '@vanilla-extract/css';
+import { config, toRem } from 'folds';
+
+export const PickerMenu = style({
+  padding: config.space.S200,
+});
+export const PickerContainer = style({
+  maxHeight: toRem(250),
+});
+export const PickerColumnLabel = style({
+  padding: config.space.S200,
+});
+export const PickerColumnContent = style({
+  padding: config.space.S200,
+  paddingRight: 0,
+});

src/app/features/message-search/MessageSearch.tsx

@@ -57,6 +57,9 @@ export function MessageSearch({
   const [urlPreview] = useSetting(settingsAtom, 'urlPreview');
   const [legacyUsernameColor] = useSetting(settingsAtom, 'legacyUsernameColor');
 
+  const [hour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+  const [dateFormatString] = useSetting(settingsAtom, 'dateFormatString');
+
   const searchInputRef = useRef<HTMLInputElement>(null);
   const scrollTopAnchorRef = useRef<HTMLDivElement>(null);
   const [searchParams, setSearchParams] = useSearchParams();
@@ -289,6 +292,8 @@ export function MessageSearch({
                     urlPreview={urlPreview}
                     onOpen={navigateRoom}
                     legacyUsernameColor={legacyUsernameColor || mDirects.has(groupRoom.roomId)}
+                    hour24Clock={hour24Clock}
+                    dateFormatString={dateFormatString}
                   />
                 </VirtualTile>
               );

src/app/features/message-search/SearchInput.tsx

@@ -29,6 +29,7 @@ export function SearchInput({ active, loading, searchInputRef, onSearch, onReset
         ref={searchInputRef}
         style={{ paddingRight: config.space.S300 }}
         name="searchInput"
+        autoFocus
         size="500"
         variant="Background"
         placeholder="Search for keyword"

src/app/features/message-search/SearchResultGroup.tsx

@@ -57,6 +57,8 @@ type SearchResultGroupProps = {
   urlPreview?: boolean;
   onOpen: (roomId: string, eventId: string) => void;
   legacyUsernameColor?: boolean;
+  hour24Clock: boolean;
+  dateFormatString: string;
 };
 export function SearchResultGroup({
   room,
@@ -66,6 +68,8 @@ export function SearchResultGroup({
   urlPreview,
   onOpen,
   legacyUsernameColor,
+  hour24Clock,
+  dateFormatString,
 }: SearchResultGroupProps) {
   const mx = useMatrixClient();
   const useAuthentication = useMediaAuthentication();
@@ -275,7 +279,11 @@ export function SearchResultGroup({
                       </Username>
                       {tagIconSrc && <PowerIcon size="100" iconSrc={tagIconSrc} />}
                     </Box>
-                    <Time ts={event.origin_server_ts} />
+                    <Time
+                      ts={event.origin_server_ts}
+                      hour24Clock={hour24Clock}
+                      dateFormatString={dateFormatString}
+                    />
                   </Box>
                   <Box shrink="No" gap="200" alignItems="Center">
                     <Chip

src/app/features/room/RoomTimeline.tsx

@@ -448,6 +448,10 @@ export function RoomTimeline({
   const [encUrlPreview] = useSetting(settingsAtom, 'encUrlPreview');
   const showUrlPreview = room.hasEncryptionStateEvent() ? encUrlPreview : urlPreview;
   const [showHiddenEvents] = useSetting(settingsAtom, 'showHiddenEvents');
+  const [showDeveloperTools] = useSetting(settingsAtom, 'developerTools');
+
+  const [hour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+  const [dateFormatString] = useSetting(settingsAtom, 'dateFormatString');
 
   const ignoredUsersList = useIgnoredUsers();
   const ignoredUsersSet = useMemo(() => new Set(ignoredUsersList), [ignoredUsersList]);
@@ -932,7 +936,7 @@ export function RoomTimeline({
   );
 
   const handleReplyClick: MouseEventHandler<HTMLButtonElement> = useCallback(
-    (evt) => {
+    (evt, startThread = false) => {
       const replyId = evt.currentTarget.getAttribute('data-event-id');
       if (!replyId) {
         console.warn('Button should have "data-event-id" attribute!');
@@ -943,7 +947,9 @@ export function RoomTimeline({
       const editedReply = getEditedEvent(replyId, replyEvt, room.getUnfilteredTimelineSet());
       const content: IContent = editedReply?.getContent()['m.new_content'] ?? replyEvt.getContent();
       const { body, formatted_body: formattedBody } = content;
-      const { 'm.relates_to': relation } = replyEvt.getWireContent();
+      const { 'm.relates_to': relation } = startThread
+        ? { 'm.relates_to': { rel_type: 'm.thread', event_id: replyId } }
+        : replyEvt.getWireContent();
       const senderId = replyEvt.getSender();
       if (senderId && typeof body === 'string') {
         setReplyDraft({
@@ -1065,9 +1071,12 @@ export function RoomTimeline({
               )
             }
             hideReadReceipts={hideActivity}
+            showDeveloperTools={showDeveloperTools}
             powerLevelTag={getPowerLevelTag(senderPowerLevel)}
             accessibleTagColors={accessibleTagColors}
             legacyUsernameColor={legacyUsernameColor || direct}
+            hour24Clock={hour24Clock}
+            dateFormatString={dateFormatString}
           >
             {mEvent.isRedacted() ? (
               <RedactedContent reason={mEvent.getUnsigned().redacted_because?.content.reason} />
@@ -1146,9 +1155,12 @@ export function RoomTimeline({
               )
             }
             hideReadReceipts={hideActivity}
+            showDeveloperTools={showDeveloperTools}
             powerLevelTag={getPowerLevelTag(senderPowerLevel)}
             accessibleTagColors={accessibleTagColors}
             legacyUsernameColor={legacyUsernameColor || direct}
+            hour24Clock={hour24Clock}
+            dateFormatString={dateFormatString}
           >
             <EncryptedContent mEvent={mEvent}>
               {() => {
@@ -1247,9 +1259,12 @@ export function RoomTimeline({
               )
             }
             hideReadReceipts={hideActivity}
+            showDeveloperTools={showDeveloperTools}
             powerLevelTag={getPowerLevelTag(senderPowerLevel)}
             accessibleTagColors={accessibleTagColors}
             legacyUsernameColor={legacyUsernameColor || direct}
+            hour24Clock={hour24Clock}
+            dateFormatString={dateFormatString}
           >
             {mEvent.isRedacted() ? (
               <RedactedContent reason={mEvent.getUnsigned().redacted_because?.content.reason} />
@@ -1278,7 +1293,12 @@ export function RoomTimeline({
         const parsed = parseMemberEvent(mEvent);
 
         const timeJSX = (
-          <Time ts={mEvent.getTs()} compact={messageLayout === MessageLayout.Compact} />
+          <Time
+            ts={mEvent.getTs()}
+            compact={messageLayout === MessageLayout.Compact}
+            hour24Clock={hour24Clock}
+            dateFormatString={dateFormatString}
+          />
         );
 
         return (
@@ -1292,6 +1312,7 @@ export function RoomTimeline({
             messageSpacing={messageSpacing}
             canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
             hideReadReceipts={hideActivity}
+            showDeveloperTools={showDeveloperTools}
           >
             <EventContent
               messageLayout={messageLayout}
@@ -1314,7 +1335,12 @@ export function RoomTimeline({
         const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
 
         const timeJSX = (
-          <Time ts={mEvent.getTs()} compact={messageLayout === MessageLayout.Compact} />
+          <Time
+            ts={mEvent.getTs()}
+            compact={messageLayout === MessageLayout.Compact}
+            hour24Clock={hour24Clock}
+            dateFormatString={dateFormatString}
+          />
         );
 
         return (
@@ -1328,6 +1354,7 @@ export function RoomTimeline({
             messageSpacing={messageSpacing}
             canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
             hideReadReceipts={hideActivity}
+            showDeveloperTools={showDeveloperTools}
           >
             <EventContent
               messageLayout={messageLayout}
@@ -1351,7 +1378,12 @@ export function RoomTimeline({
         const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
 
         const timeJSX = (
-          <Time ts={mEvent.getTs()} compact={messageLayout === MessageLayout.Compact} />
+          <Time
+            ts={mEvent.getTs()}
+            compact={messageLayout === MessageLayout.Compact}
+            hour24Clock={hour24Clock}
+            dateFormatString={dateFormatString}
+          />
         );
 
         return (
@@ -1365,6 +1397,7 @@ export function RoomTimeline({
             messageSpacing={messageSpacing}
             canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
             hideReadReceipts={hideActivity}
+            showDeveloperTools={showDeveloperTools}
           >
             <EventContent
               messageLayout={messageLayout}
@@ -1388,7 +1421,12 @@ export function RoomTimeline({
         const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
 
         const timeJSX = (
-          <Time ts={mEvent.getTs()} compact={messageLayout === MessageLayout.Compact} />
+          <Time
+            ts={mEvent.getTs()}
+            compact={messageLayout === MessageLayout.Compact}
+            hour24Clock={hour24Clock}
+            dateFormatString={dateFormatString}
+          />
         );
 
         return (
@@ -1402,6 +1440,7 @@ export function RoomTimeline({
             messageSpacing={messageSpacing}
             canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
             hideReadReceipts={hideActivity}
+            showDeveloperTools={showDeveloperTools}
           >
             <EventContent
               messageLayout={messageLayout}
@@ -1427,7 +1466,12 @@ export function RoomTimeline({
       const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
 
       const timeJSX = (
-        <Time ts={mEvent.getTs()} compact={messageLayout === MessageLayout.Compact} />
+        <Time
+          ts={mEvent.getTs()}
+          compact={messageLayout === MessageLayout.Compact}
+          hour24Clock={hour24Clock}
+          dateFormatString={dateFormatString}
+        />
       );
 
       return (
@@ -1441,6 +1485,7 @@ export function RoomTimeline({
           messageSpacing={messageSpacing}
           canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
           hideReadReceipts={hideActivity}
+          showDeveloperTools={showDeveloperTools}
         >
           <EventContent
             messageLayout={messageLayout}
@@ -1471,7 +1516,12 @@ export function RoomTimeline({
       const senderName = getMemberDisplayName(room, senderId) || getMxIdLocalPart(senderId);
 
       const timeJSX = (
-        <Time ts={mEvent.getTs()} compact={messageLayout === MessageLayout.Compact} />
+        <Time
+          ts={mEvent.getTs()}
+          compact={messageLayout === MessageLayout.Compact}
+          hour24Clock={hour24Clock}
+          dateFormatString={dateFormatString}
+        />
       );
 
       return (
@@ -1485,6 +1535,7 @@ export function RoomTimeline({
           messageSpacing={messageSpacing}
           canDelete={canRedact || mEvent.getSender() === mx.getUserId()}
           hideReadReceipts={hideActivity}
+          showDeveloperTools={showDeveloperTools}
         >
           <EventContent
             messageLayout={messageLayout}

src/app/features/room/RoomViewHeader.tsx

@@ -65,6 +65,8 @@ import {
   getRoomNotificationModeIcon,
   useRoomsNotificationPreferencesContext,
 } from '../../hooks/useRoomsNotificationPreferences';
+import { JumpToTime } from './jump-to-time';
+import { useRoomNavigate } from '../../hooks/useRoomNavigate';
 
 type RoomMenuProps = {
   room: Room;
@@ -79,6 +81,7 @@ const RoomMenu = forwardRef<HTMLDivElement, RoomMenuProps>(({ room, requestClose
   const canInvite = canDoAction('invite', getPowerLevel(mx.getUserId() ?? ''));
   const notificationPreferences = useRoomsNotificationPreferencesContext();
   const notificationMode = getRoomNotificationMode(notificationPreferences, room.roomId);
+  const { navigateRoom } = useRoomNavigate();
 
   const handleMarkAsRead = () => {
     markAsRead(mx, room.roomId, hideActivity);
@@ -175,6 +178,33 @@ const RoomMenu = forwardRef<HTMLDivElement, RoomMenuProps>(({ room, requestClose
             Room Settings
           </Text>
         </MenuItem>
+        <UseStateProvider initial={false}>
+          {(promptJump, setPromptJump) => (
+            <>
+              <MenuItem
+                onClick={() => setPromptJump(true)}
+                size="300"
+                after={<Icon size="100" src={Icons.RecentClock} />}
+                radii="300"
+                aria-pressed={promptJump}
+              >
+                <Text style={{ flexGrow: 1 }} as="span" size="T300" truncate>
+                  Jump to Time
+                </Text>
+              </MenuItem>
+              {promptJump && (
+                <JumpToTime
+                  onSubmit={(eventId) => {
+                    setPromptJump(false);
+                    navigateRoom(room.roomId, eventId);
+                    requestClose();
+                  }}
+                  onCancel={() => setPromptJump(false)}
+                />
+              )}
+            </>
+          )}
+        </UseStateProvider>
       </Box>
       <Line variant="Surface" size="300" />
       <Box direction="Column" gap="100" style={{ padding: config.space.S100 }}>

src/app/features/room/jump-to-time/JumpToTime.tsx

@@ -0,0 +1,260 @@
+import React, { MouseEventHandler, useCallback, useMemo, useState } from 'react';
+import FocusTrap from 'focus-trap-react';
+import {
+  Dialog,
+  Overlay,
+  OverlayCenter,
+  OverlayBackdrop,
+  Header,
+  config,
+  Box,
+  Text,
+  IconButton,
+  Icon,
+  Icons,
+  color,
+  Button,
+  Spinner,
+  Chip,
+  PopOut,
+  RectCords,
+} from 'folds';
+import { Direction, MatrixError } from 'matrix-js-sdk';
+import { useMatrixClient } from '../../../hooks/useMatrixClient';
+import { AsyncStatus, useAsyncCallback } from '../../../hooks/useAsyncCallback';
+import { stopPropagation } from '../../../utils/keyboard';
+import { useAlive } from '../../../hooks/useAlive';
+import { useStateEvent } from '../../../hooks/useStateEvent';
+import { useRoom } from '../../../hooks/useRoom';
+import { StateEvent } from '../../../../types/matrix/room';
+import { getToday, getYesterday, timeDayMonthYear, timeHourMinute } from '../../../utils/time';
+import { DatePicker, TimePicker } from '../../../components/time-date';
+import { useSetting } from '../../../state/hooks/settings';
+import { settingsAtom } from '../../../state/settings';
+
+type JumpToTimeProps = {
+  onCancel: () => void;
+  onSubmit: (eventId: string) => void;
+};
+export function JumpToTime({ onCancel, onSubmit }: JumpToTimeProps) {
+  const mx = useMatrixClient();
+  const room = useRoom();
+  const alive = useAlive();
+  const createStateEvent = useStateEvent(room, StateEvent.RoomCreate);
+
+  const todayTs = getToday();
+  const yesterdayTs = getYesterday();
+  const createTs = useMemo(() => createStateEvent?.getTs() ?? 0, [createStateEvent]);
+  const [ts, setTs] = useState(() => Date.now());
+
+  const [hour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+
+  const [timePickerCords, setTimePickerCords] = useState<RectCords>();
+  const [datePickerCords, setDatePickerCords] = useState<RectCords>();
+
+  const handleTimePicker: MouseEventHandler<HTMLButtonElement> = (evt) => {
+    setTimePickerCords(evt.currentTarget.getBoundingClientRect());
+  };
+  const handleDatePicker: MouseEventHandler<HTMLButtonElement> = (evt) => {
+    setDatePickerCords(evt.currentTarget.getBoundingClientRect());
+  };
+
+  const handleToday = () => {
+    setTs(todayTs < createTs ? createTs : todayTs);
+  };
+  const handleYesterday = () => {
+    setTs(yesterdayTs < createTs ? createTs : yesterdayTs);
+  };
+  const handleBeginning = () => setTs(createTs);
+
+  const [timestampState, timestampToEvent] = useAsyncCallback<string, MatrixError, [number]>(
+    useCallback(
+      async (newTs) => {
+        const result = await mx.timestampToEvent(room.roomId, newTs, Direction.Forward);
+        return result.event_id;
+      },
+      [mx, room]
+    )
+  );
+
+  const handleSubmit = () => {
+    timestampToEvent(ts).then((eventId) => {
+      if (alive()) {
+        onSubmit(eventId);
+      }
+    });
+  };
+
+  return (
+    <Overlay open backdrop={<OverlayBackdrop />}>
+      <OverlayCenter>
+        <FocusTrap
+          focusTrapOptions={{
+            initialFocus: false,
+            onDeactivate: onCancel,
+            clickOutsideDeactivates: true,
+            escapeDeactivates: stopPropagation,
+          }}
+        >
+          <Dialog variant="Surface">
+            <Header
+              style={{
+                padding: `0 ${config.space.S200} 0 ${config.space.S400}`,
+                borderBottomWidth: config.borderWidth.B300,
+              }}
+              variant="Surface"
+              size="500"
+            >
+              <Box grow="Yes">
+                <Text size="H4">Jump to Time</Text>
+              </Box>
+              <IconButton size="300" onClick={onCancel} radii="300">
+                <Icon src={Icons.Cross} />
+              </IconButton>
+            </Header>
+            <Box style={{ padding: config.space.S400 }} direction="Column" gap="500">
+              <Box direction="Row" gap="300">
+                <Box direction="Column" gap="100">
+                  <Text size="L400" priority="400">
+                    Time
+                  </Text>
+                  <Box gap="100" alignItems="Center">
+                    <Chip
+                      size="500"
+                      variant="Surface"
+                      fill="None"
+                      outlined
+                      radii="300"
+                      aria-pressed={!!timePickerCords}
+                      after={<Icon size="50" src={Icons.ChevronBottom} />}
+                      onClick={handleTimePicker}
+                    >
+                      <Text size="B300">{timeHourMinute(ts, hour24Clock)}</Text>
+                    </Chip>
+                    <PopOut
+                      anchor={timePickerCords}
+                      offset={5}
+                      position="Bottom"
+                      align="Center"
+                      content={
+                        <FocusTrap
+                          focusTrapOptions={{
+                            initialFocus: false,
+                            onDeactivate: () => setTimePickerCords(undefined),
+                            clickOutsideDeactivates: true,
+                            isKeyForward: (evt: KeyboardEvent) =>
+                              evt.key === 'ArrowDown' || evt.key === 'ArrowRight',
+                            isKeyBackward: (evt: KeyboardEvent) =>
+                              evt.key === 'ArrowUp' || evt.key === 'ArrowLeft',
+                            escapeDeactivates: stopPropagation,
+                          }}
+                        >
+                          <TimePicker min={createTs} max={Date.now()} value={ts} onChange={setTs} />
+                        </FocusTrap>
+                      }
+                    />
+                  </Box>
+                </Box>
+                <Box direction="Column" gap="100">
+                  <Text size="L400" priority="400">
+                    Date
+                  </Text>
+                  <Box gap="100" alignItems="Center">
+                    <Chip
+                      size="500"
+                      variant="Surface"
+                      fill="None"
+                      outlined
+                      radii="300"
+                      aria-pressed={!!datePickerCords}
+                      after={<Icon size="50" src={Icons.ChevronBottom} />}
+                      onClick={handleDatePicker}
+                    >
+                      <Text size="B300">{timeDayMonthYear(ts)}</Text>
+                    </Chip>
+                    <PopOut
+                      anchor={datePickerCords}
+                      offset={5}
+                      position="Bottom"
+                      align="Center"
+                      content={
+                        <FocusTrap
+                          focusTrapOptions={{
+                            initialFocus: false,
+                            onDeactivate: () => setDatePickerCords(undefined),
+                            clickOutsideDeactivates: true,
+                            isKeyForward: (evt: KeyboardEvent) =>
+                              evt.key === 'ArrowDown' || evt.key === 'ArrowRight',
+                            isKeyBackward: (evt: KeyboardEvent) =>
+                              evt.key === 'ArrowUp' || evt.key === 'ArrowLeft',
+                            escapeDeactivates: stopPropagation,
+                          }}
+                        >
+                          <DatePicker min={createTs} max={Date.now()} value={ts} onChange={setTs} />
+                        </FocusTrap>
+                      }
+                    />
+                  </Box>
+                </Box>
+              </Box>
+              <Box direction="Column" gap="100">
+                <Text size="L400">Preset</Text>
+                <Box gap="200">
+                  {createTs < todayTs && (
+                    <Chip
+                      variant={ts === todayTs ? 'Success' : 'SurfaceVariant'}
+                      radii="Pill"
+                      aria-pressed={ts === todayTs}
+                      onClick={handleToday}
+                    >
+                      <Text size="B300">Today</Text>
+                    </Chip>
+                  )}
+                  {createTs < yesterdayTs && (
+                    <Chip
+                      variant={ts === yesterdayTs ? 'Success' : 'SurfaceVariant'}
+                      radii="Pill"
+                      aria-pressed={ts === yesterdayTs}
+                      onClick={handleYesterday}
+                    >
+                      <Text size="B300">Yesterday</Text>
+                    </Chip>
+                  )}
+                  <Chip
+                    variant={ts === createTs ? 'Success' : 'SurfaceVariant'}
+                    radii="Pill"
+                    aria-pressed={ts === createTs}
+                    onClick={handleBeginning}
+                  >
+                    <Text size="B300">Beginning</Text>
+                  </Chip>
+                </Box>
+              </Box>
+              {timestampState.status === AsyncStatus.Error && (
+                <Text style={{ color: color.Critical.Main }} size="T300">
+                  {timestampState.error.message}
+                </Text>
+              )}
+              <Button
+                type="submit"
+                variant="Primary"
+                before={
+                  timestampState.status === AsyncStatus.Loading ? (
+                    <Spinner fill="Solid" variant="Primary" size="200" />
+                  ) : undefined
+                }
+                aria-disabled={
+                  timestampState.status === AsyncStatus.Loading ||
+                  timestampState.status === AsyncStatus.Success
+                }
+                onClick={handleSubmit}
+              >
+                <Text size="B400">Open Timeline</Text>
+              </Button>
+            </Box>
+          </Dialog>
+        </FocusTrap>
+      </OverlayCenter>
+    </Overlay>
+  );
+}

src/app/features/room/jump-to-time/index.ts

@@ -0,0 +1 @@
+export * from './JumpToTime';

src/app/features/room/message/Message.tsx

@@ -669,15 +669,21 @@ export type MessageProps = {
   messageSpacing: MessageSpacing;
   onUserClick: MouseEventHandler<HTMLButtonElement>;
   onUsernameClick: MouseEventHandler<HTMLButtonElement>;
-  onReplyClick: MouseEventHandler<HTMLButtonElement>;
+  onReplyClick: (
+    ev: Parameters<MouseEventHandler<HTMLButtonElement>>[0],
+    startThread?: boolean
+  ) => void;
   onEditId?: (eventId?: string) => void;
   onReactionToggle: (targetEventId: string, key: string, shortcode?: string) => void;
   reply?: ReactNode;
   reactions?: ReactNode;
   hideReadReceipts?: boolean;
+  showDeveloperTools?: boolean;
   powerLevelTag?: PowerLevelTag;
   accessibleTagColors?: Map<string, string>;
   legacyUsernameColor?: boolean;
+  hour24Clock: boolean;
+  dateFormatString: string;
 };
 export const Message = as<'div', MessageProps>(
   (
@@ -703,9 +709,12 @@ export const Message = as<'div', MessageProps>(
       reply,
       reactions,
       hideReadReceipts,
+      showDeveloperTools,
       powerLevelTag,
       accessibleTagColors,
       legacyUsernameColor,
+      hour24Clock,
+      dateFormatString,
       children,
       ...props
     },
@@ -770,7 +779,12 @@ export const Message = as<'div', MessageProps>(
               </Text>
             </>
           )}
-          <Time ts={mEvent.getTs()} compact={messageLayout === MessageLayout.Compact} />
+          <Time
+            ts={mEvent.getTs()}
+            compact={messageLayout === MessageLayout.Compact}
+            hour24Clock={hour24Clock}
+            dateFormatString={dateFormatString}
+          />
         </Box>
       </Box>
     );
@@ -857,6 +871,8 @@ export const Message = as<'div', MessageProps>(
       }, 100);
     };
 
+    const isThreadedMessage = mEvent.threadRootId !== undefined;
+
     return (
       <MessageBase
         className={classNames(css.MessageBase, className)}
@@ -919,6 +935,17 @@ export const Message = as<'div', MessageProps>(
                 >
                   <Icon src={Icons.ReplyArrow} size="100" />
                 </IconButton>
+                {!isThreadedMessage && (
+                  <IconButton
+                    onClick={(ev) => onReplyClick(ev, true)}
+                    data-event-id={mEvent.getId()}
+                    variant="SurfaceVariant"
+                    size="300"
+                    radii="300"
+                  >
+                    <Icon src={Icons.ThreadPlus} size="100" />
+                  </IconButton>
+                )}
                 {canEditEvent(mx, mEvent) && onEditId && (
                   <IconButton
                     onClick={() => onEditId(mEvent.getId())}
@@ -998,6 +1025,27 @@ export const Message = as<'div', MessageProps>(
                               Reply
                             </Text>
                           </MenuItem>
+                          {!isThreadedMessage && (
+                            <MenuItem
+                              size="300"
+                              after={<Icon src={Icons.ThreadPlus} size="100" />}
+                              radii="300"
+                              data-event-id={mEvent.getId()}
+                              onClick={(evt: any) => {
+                                onReplyClick(evt, true);
+                                closeMenu();
+                              }}
+                            >
+                              <Text
+                                className={css.MessageMenuItemText}
+                                as="span"
+                                size="T300"
+                                truncate
+                              >
+                                Reply in Thread
+                              </Text>
+                            </MenuItem>
+                          )}
                           {canEditEvent(mx, mEvent) && onEditId && (
                             <MenuItem
                               size="300"
@@ -1026,7 +1074,13 @@ export const Message = as<'div', MessageProps>(
                               onClose={closeMenu}
                             />
                           )}
-                          <MessageSourceCodeItem room={room} mEvent={mEvent} onClose={closeMenu} />
+                          {showDeveloperTools && (
+                            <MessageSourceCodeItem
+                              room={room}
+                              mEvent={mEvent}
+                              onClose={closeMenu}
+                            />
+                          )}
                           <MessageCopyLinkItem room={room} mEvent={mEvent} onClose={closeMenu} />
                           {canPinEvent && (
                             <MessagePinItem room={room} mEvent={mEvent} onClose={closeMenu} />
@@ -1101,6 +1155,7 @@ export type EventProps = {
   canDelete?: boolean;
   messageSpacing: MessageSpacing;
   hideReadReceipts?: boolean;
+  showDeveloperTools?: boolean;
 };
 export const Event = as<'div', EventProps>(
   (
@@ -1112,6 +1167,7 @@ export const Event = as<'div', EventProps>(
       canDelete,
       messageSpacing,
       hideReadReceipts,
+      showDeveloperTools,
       children,
       ...props
     },
@@ -1188,7 +1244,13 @@ export const Event = as<'div', EventProps>(
                               onClose={closeMenu}
                             />
                           )}
-                          <MessageSourceCodeItem room={room} mEvent={mEvent} onClose={closeMenu} />
+                          {showDeveloperTools && (
+                            <MessageSourceCodeItem
+                              room={room}
+                              mEvent={mEvent}
+                              onClose={closeMenu}
+                            />
+                          )}
                           <MessageCopyLinkItem room={room} mEvent={mEvent} onClose={closeMenu} />
                         </Box>
                         {((!mEvent.isRedacted() && canDelete && !stateEvent) ||

src/app/features/room/room-pin-menu/RoomPinMenu.tsx

@@ -102,6 +102,9 @@ function PinnedMessage({ room, eventId, renderContent, onOpen, canPinEvent }: Pi
   const theme = useTheme();
   const accessibleTagColors = useAccessibleTagColors(theme.kind, powerLevelTags);
 
+  const [hour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+  const [dateFormatString] = useSetting(settingsAtom, 'dateFormatString');
+
   const [unpinState, unpin] = useAsyncCallback(
     useCallback(() => {
       const pinEvent = getStateEvent(room, StateEvent.RoomPinnedEvents);
@@ -205,7 +208,11 @@ function PinnedMessage({ room, eventId, renderContent, onOpen, canPinEvent }: Pi
             </Username>
             {tagIconSrc && <PowerIcon size="100" iconSrc={tagIconSrc} />}
           </Box>
-          <Time ts={pinnedEvent.getTs()} />
+          <Time
+            ts={pinnedEvent.getTs()}
+            hour24Clock={hour24Clock}
+            dateFormatString={dateFormatString}
+          />
         </Box>
         {renderOptions()}
       </Box>

src/app/features/settings/devices/DeviceTile.tsx

@@ -27,6 +27,8 @@ import { SequenceCard } from '../../../components/sequence-card';
 import { SequenceCardStyle } from '../styles.css';
 import { LogoutDialog } from '../../../components/LogoutDialog';
 import { stopPropagation } from '../../../utils/keyboard';
+import { useSetting } from '../../../state/hooks/settings';
+import { settingsAtom } from '../../../state/settings';
 
 export function DeviceTilePlaceholder() {
   return (
@@ -41,6 +43,9 @@ export function DeviceTilePlaceholder() {
 }
 
 function DeviceActiveTime({ ts }: { ts: number }) {
+  const [hour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+  const [dateFormatString] = useSetting(settingsAtom, 'dateFormatString');
+
   return (
     <Text className={BreakWord} size="T200">
       <Text size="Inherit" as="span" priority="300">
@@ -49,7 +54,8 @@ function DeviceActiveTime({ ts }: { ts: number }) {
       <>
         {today(ts) && 'Today'}
         {yesterday(ts) && 'Yesterday'}
-        {!today(ts) && !yesterday(ts) && timeDayMonYear(ts)} {timeHourMinute(ts)}
+        {!today(ts) && !yesterday(ts) && timeDayMonYear(ts, dateFormatString)}{' '}
+        {timeHourMinute(ts, hour24Clock)}
       </>
     </Text>
   );

src/app/features/settings/devices/OtherDevices.tsx

@@ -11,6 +11,10 @@ import { useUIAMatrixError } from '../../../hooks/useUIAFlows';
 import { DeviceVerificationStatus } from '../../../components/DeviceVerificationStatus';
 import { VerifyOtherDeviceTile } from './Verification';
 import { VerificationStatus } from '../../../hooks/useDeviceVerificationStatus';
+import { useAuthMetadata } from '../../../hooks/useAuthMetadata';
+import { withSearchParam } from '../../../pages/pathUtils';
+import { useAccountManagementActions } from '../../../hooks/useAccountManagement';
+import { SettingTile } from '../../../components/setting-tile';
 
 type OtherDevicesProps = {
   devices: IMyDevice[];
@@ -20,8 +24,39 @@ type OtherDevicesProps = {
 export function OtherDevices({ devices, refreshDeviceList, showVerification }: OtherDevicesProps) {
   const mx = useMatrixClient();
   const crypto = mx.getCrypto();
+  const authMetadata = useAuthMetadata();
+  const accountManagementActions = useAccountManagementActions();
+
   const [deleted, setDeleted] = useState<Set<string>>(new Set());
 
+  const handleDashboardOIDC = useCallback(() => {
+    const authUrl = authMetadata?.account_management_uri ?? authMetadata?.issuer;
+    if (!authUrl) return;
+
+    window.open(
+      withSearchParam(authUrl, {
+        action: accountManagementActions.sessionsList,
+      }),
+      '_blank'
+    );
+  }, [authMetadata, accountManagementActions]);
+
+  const handleDeleteOIDC = useCallback(
+    (deviceId: string) => {
+      const authUrl = authMetadata?.account_management_uri ?? authMetadata?.issuer;
+      if (!authUrl) return;
+
+      window.open(
+        withSearchParam(authUrl, {
+          action: accountManagementActions.sessionEnd,
+          device_id: deviceId,
+        }),
+        '_blank'
+      );
+    },
+    [authMetadata, accountManagementActions]
+  );
+
   const handleToggleDelete = useCallback((deviceId: string) => {
     setDeleted((deviceIds) => {
       const newIds = new Set(deviceIds);
@@ -70,6 +105,31 @@ export function OtherDevices({ devices, refreshDeviceList, showVerification }: O
     <>
       <Box direction="Column" gap="100">
         <Text size="L400">Others</Text>
+        {authMetadata && (
+          <SequenceCard
+            className={SequenceCardStyle}
+            variant="SurfaceVariant"
+            direction="Column"
+            gap="400"
+          >
+            <SettingTile
+              title="Device Dashboard"
+              description="Manage your devices on OIDC dashboard."
+              after={
+                <Button
+                  size="300"
+                  variant="Secondary"
+                  fill="Soft"
+                  radii="300"
+                  outlined
+                  onClick={handleDashboardOIDC}
+                >
+                  <Text size="B300">Open</Text>
+                </Button>
+              }
+            />
+          </SequenceCard>
+        )}
         {devices
           .sort((d1, d2) => {
             if (!d1.last_seen_ts || !d2.last_seen_ts) return 0;
@@ -89,12 +149,20 @@ export function OtherDevices({ devices, refreshDeviceList, showVerification }: O
                 refreshDeviceList={refreshDeviceList}
                 disabled={deleting}
                 options={
-                  <DeviceDeleteBtn
-                    deviceId={device.device_id}
-                    deleted={deleted.has(device.device_id)}
-                    onDeleteToggle={handleToggleDelete}
-                    disabled={deleting}
-                  />
+                  authMetadata ? (
+                    <DeviceDeleteBtn
+                      deviceId={device.device_id}
+                      deleted={false}
+                      onDeleteToggle={handleDeleteOIDC}
+                    />
+                  ) : (
+                    <DeviceDeleteBtn
+                      deviceId={device.device_id}
+                      deleted={deleted.has(device.device_id)}
+                      onDeleteToggle={handleToggleDelete}
+                      disabled={deleting}
+                    />
+                  )
                 }
               />
               {showVerification && crypto && (

src/app/features/settings/devices/Verification.tsx

@@ -32,6 +32,9 @@ import {
   DeviceVerificationSetup,
 } from '../../../components/DeviceVerificationSetup';
 import { stopPropagation } from '../../../utils/keyboard';
+import { useAuthMetadata } from '../../../hooks/useAuthMetadata';
+import { withSearchParam } from '../../../pages/pathUtils';
+import { useAccountManagementActions } from '../../../hooks/useAccountManagement';
 
 type VerificationStatusBadgeProps = {
   verificationStatus: VerificationStatus;
@@ -252,6 +255,8 @@ export function EnableVerification({ visible }: EnableVerificationProps) {
 
 export function DeviceVerificationOptions() {
   const [menuCords, setMenuCords] = useState<RectCords>();
+  const authMetadata = useAuthMetadata();
+  const accountManagementActions = useAccountManagementActions();
 
   const [reset, setReset] = useState(false);
 
@@ -265,6 +270,18 @@ export function DeviceVerificationOptions() {
 
   const handleReset = () => {
     setMenuCords(undefined);
+
+    if (authMetadata) {
+      const authUrl = authMetadata.account_management_uri ?? authMetadata.issuer;
+      window.open(
+        withSearchParam(authUrl, {
+          action: accountManagementActions.crossSigningReset,
+        }),
+        '_blank'
+      );
+      return;
+    }
+
     setReset(true);
   };
 

src/app/features/settings/general/General.tsx

@@ -1,15 +1,19 @@
 import React, {
   ChangeEventHandler,
+  FormEventHandler,
   KeyboardEventHandler,
   MouseEventHandler,
+  useEffect,
   useState,
 } from 'react';
+import dayjs from 'dayjs';
 import {
   as,
   Box,
   Button,
   Chip,
   config,
+  Header,
   Icon,
   IconButton,
   Icons,
@@ -28,7 +32,7 @@ import FocusTrap from 'focus-trap-react';
 import { Page, PageContent, PageHeader } from '../../../components/page';
 import { SequenceCard } from '../../../components/sequence-card';
 import { useSetting } from '../../../state/hooks/settings';
-import { MessageLayout, MessageSpacing, settingsAtom } from '../../../state/settings';
+import { DateFormat, MessageLayout, MessageSpacing, settingsAtom } from '../../../state/settings';
 import { SettingTile } from '../../../components/setting-tile';
 import { KeySymbol } from '../../../utils/key-symbol';
 import { isMacOS } from '../../../utils/user-agent';
@@ -44,6 +48,7 @@ import {
 import { stopPropagation } from '../../../utils/keyboard';
 import { useMessageLayoutItems } from '../../../hooks/useMessageLayout';
 import { useMessageSpacingItems } from '../../../hooks/useMessageSpacing';
+import { useDateFormatItems } from '../../../hooks/useDateFormat';
 import { SequenceCardStyle } from '../styles.css';
 
 type ThemeSelectorProps = {
@@ -341,6 +346,359 @@ function Appearance() {
   );
 }
 
+type DateHintProps = {
+  hasChanges: boolean;
+  handleReset: () => void;
+};
+function DateHint({ hasChanges, handleReset }: DateHintProps) {
+  const [anchor, setAnchor] = useState<RectCords>();
+  const categoryPadding = { padding: config.space.S200, paddingTop: 0 };
+
+  const handleOpenMenu: MouseEventHandler<HTMLElement> = (evt) => {
+    setAnchor(evt.currentTarget.getBoundingClientRect());
+  };
+  return (
+    <PopOut
+      anchor={anchor}
+      position="Top"
+      align="End"
+      content={
+        <FocusTrap
+          focusTrapOptions={{
+            initialFocus: false,
+            onDeactivate: () => setAnchor(undefined),
+            clickOutsideDeactivates: true,
+            escapeDeactivates: stopPropagation,
+          }}
+        >
+          <Menu style={{ maxHeight: '85vh', overflowY: 'auto' }}>
+            <Header size="300" style={{ padding: `0 ${config.space.S200}` }}>
+              <Text size="L400">Formatting</Text>
+            </Header>
+
+            <Box direction="Column">
+              <Box style={categoryPadding} direction="Column">
+                <Header size="300">
+                  <Text size="L400">Year</Text>
+                </Header>
+                <Box direction="Column" tabIndex={0} gap="100">
+                  <Text size="T300">
+                    YY
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}
+                      Two-digit year
+                    </Text>{' '}
+                  </Text>
+                  <Text size="T300">
+                    YYYY
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Four-digit year
+                    </Text>
+                  </Text>
+                </Box>
+              </Box>
+
+              <Box style={categoryPadding} direction="Column">
+                <Header size="300">
+                  <Text size="L400">Month</Text>
+                </Header>
+                <Box direction="Column" tabIndex={0} gap="100">
+                  <Text size="T300">
+                    M
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}The month
+                    </Text>
+                  </Text>
+                  <Text size="T300">
+                    MM
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Two-digit month
+                    </Text>{' '}
+                  </Text>
+                  <Text size="T300">
+                    MMM
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Short month name
+                    </Text>
+                  </Text>
+                  <Text size="T300">
+                    MMMM
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Full month name
+                    </Text>
+                  </Text>
+                </Box>
+              </Box>
+
+              <Box style={categoryPadding} direction="Column">
+                <Header size="300">
+                  <Text size="L400">Day of the Month</Text>
+                </Header>
+                <Box direction="Column" tabIndex={0} gap="100">
+                  <Text size="T300">
+                    D
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Day of the month
+                    </Text>
+                  </Text>
+                  <Text size="T300">
+                    DD
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Two-digit day of the month
+                    </Text>
+                  </Text>
+                </Box>
+              </Box>
+              <Box style={categoryPadding} direction="Column">
+                <Header size="300">
+                  <Text size="L400">Day of the Week</Text>
+                </Header>
+                <Box direction="Column" tabIndex={0} gap="100">
+                  <Text size="T300">
+                    d
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Day of the week (Sunday = 0)
+                    </Text>
+                  </Text>
+                  <Text size="T300">
+                    dd
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Two-letter day name
+                    </Text>
+                  </Text>
+                  <Text size="T300">
+                    ddd
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Short day name
+                    </Text>
+                  </Text>
+                  <Text size="T300">
+                    dddd
+                    <Text as="span" size="Inherit" priority="300">
+                      {': '}Full day name
+                    </Text>
+                  </Text>
+                </Box>
+              </Box>
+            </Box>
+          </Menu>
+        </FocusTrap>
+      }
+    >
+      {hasChanges ? (
+        <IconButton
+          tabIndex={-1}
+          onClick={handleReset}
+          type="reset"
+          variant="Secondary"
+          size="300"
+          radii="300"
+        >
+          <Icon src={Icons.Cross} size="100" />
+        </IconButton>
+      ) : (
+        <IconButton
+          tabIndex={-1}
+          onClick={handleOpenMenu}
+          type="button"
+          variant="Secondary"
+          size="300"
+          radii="300"
+          aria-pressed={!!anchor}
+        >
+          <Icon style={{ opacity: config.opacity.P300 }} size="100" src={Icons.Info} />
+        </IconButton>
+      )}
+    </PopOut>
+  );
+}
+
+type CustomDateFormatProps = {
+  value: string;
+  onChange: (format: string) => void;
+};
+function CustomDateFormat({ value, onChange }: CustomDateFormatProps) {
+  const [dateFormatCustom, setDateFormatCustom] = useState(value);
+
+  useEffect(() => {
+    setDateFormatCustom(value);
+  }, [value]);
+
+  const handleChange: ChangeEventHandler<HTMLInputElement> = (evt) => {
+    const format = evt.currentTarget.value;
+    setDateFormatCustom(format);
+  };
+
+  const handleReset = () => {
+    setDateFormatCustom(value);
+  };
+
+  const handleSubmit: FormEventHandler<HTMLFormElement> = (evt) => {
+    evt.preventDefault();
+
+    const target = evt.target as HTMLFormElement | undefined;
+    const customDateFormatInput = target?.customDateFormatInput as HTMLInputElement | undefined;
+    const format = customDateFormatInput?.value;
+    if (!format) return;
+
+    onChange(format);
+  };
+
+  const hasChanges = dateFormatCustom !== value;
+  return (
+    <SettingTile>
+      <Box as="form" onSubmit={handleSubmit} gap="200">
+        <Box grow="Yes" direction="Column">
+          <Input
+            required
+            name="customDateFormatInput"
+            value={dateFormatCustom}
+            onChange={handleChange}
+            maxLength={16}
+            autoComplete="off"
+            variant="Secondary"
+            radii="300"
+            style={{ paddingRight: config.space.S200 }}
+            after={<DateHint hasChanges={hasChanges} handleReset={handleReset} />}
+          />
+        </Box>
+        <Button
+          size="400"
+          variant={hasChanges ? 'Success' : 'Secondary'}
+          fill={hasChanges ? 'Solid' : 'Soft'}
+          outlined
+          radii="300"
+          disabled={!hasChanges}
+          type="submit"
+        >
+          <Text size="B400">Save</Text>
+        </Button>
+      </Box>
+    </SettingTile>
+  );
+}
+
+type PresetDateFormatProps = {
+  value: string;
+  onChange: (format: string) => void;
+};
+function PresetDateFormat({ value, onChange }: PresetDateFormatProps) {
+  const [menuCords, setMenuCords] = useState<RectCords>();
+  const dateFormatItems = useDateFormatItems();
+
+  const getDisplayDate = (format: string): string =>
+    format !== '' ? dayjs().format(format) : 'Custom';
+
+  const handleMenu: MouseEventHandler<HTMLButtonElement> = (evt) => {
+    setMenuCords(evt.currentTarget.getBoundingClientRect());
+  };
+
+  const handleSelect = (format: DateFormat) => {
+    onChange(format);
+    setMenuCords(undefined);
+  };
+
+  return (
+    <>
+      <Button
+        size="300"
+        variant="Secondary"
+        outlined
+        fill="Soft"
+        radii="300"
+        after={<Icon size="300" src={Icons.ChevronBottom} />}
+        onClick={handleMenu}
+      >
+        <Text size="T300">
+          {getDisplayDate(dateFormatItems.find((i) => i.format === value)?.format ?? value)}
+        </Text>
+      </Button>
+      <PopOut
+        anchor={menuCords}
+        offset={5}
+        position="Bottom"
+        align="End"
+        content={
+          <FocusTrap
+            focusTrapOptions={{
+              initialFocus: false,
+              onDeactivate: () => setMenuCords(undefined),
+              clickOutsideDeactivates: true,
+              isKeyForward: (evt: KeyboardEvent) =>
+                evt.key === 'ArrowDown' || evt.key === 'ArrowRight',
+              isKeyBackward: (evt: KeyboardEvent) =>
+                evt.key === 'ArrowUp' || evt.key === 'ArrowLeft',
+              escapeDeactivates: stopPropagation,
+            }}
+          >
+            <Menu>
+              <Box direction="Column" gap="100" style={{ padding: config.space.S100 }}>
+                {dateFormatItems.map((item) => (
+                  <MenuItem
+                    key={item.format}
+                    size="300"
+                    variant={value === item.format ? 'Primary' : 'Surface'}
+                    radii="300"
+                    onClick={() => handleSelect(item.format)}
+                  >
+                    <Text size="T300">{getDisplayDate(item.format)}</Text>
+                  </MenuItem>
+                ))}
+              </Box>
+            </Menu>
+          </FocusTrap>
+        }
+      />
+    </>
+  );
+}
+
+function SelectDateFormat() {
+  const [dateFormatString, setDateFormatString] = useSetting(settingsAtom, 'dateFormatString');
+  const [selectedDateFormat, setSelectedDateFormat] = useState(dateFormatString);
+  const customDateFormat = selectedDateFormat === '';
+
+  const handlePresetChange = (format: string) => {
+    setSelectedDateFormat(format);
+    if (format !== '') {
+      setDateFormatString(format);
+    }
+  };
+
+  return (
+    <>
+      <SettingTile
+        title="Date Format"
+        description={customDateFormat ? dayjs().format(dateFormatString) : ''}
+        after={<PresetDateFormat value={selectedDateFormat} onChange={handlePresetChange} />}
+      />
+      {customDateFormat && (
+        <CustomDateFormat value={dateFormatString} onChange={setDateFormatString} />
+      )}
+    </>
+  );
+}
+
+function DateAndTime() {
+  const [hour24Clock, setHour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+
+  return (
+    <Box direction="Column" gap="100">
+      <Text size="L400">Date & Time</Text>
+      <SequenceCard className={SequenceCardStyle} variant="SurfaceVariant" direction="Column">
+        <SettingTile
+          title="24-Hour Time Format"
+          after={<Switch variant="Primary" value={hour24Clock} onChange={setHour24Clock} />}
+        />
+      </SequenceCard>
+
+      <SequenceCard className={SequenceCardStyle} variant="SurfaceVariant" direction="Column">
+        <SelectDateFormat />
+      </SequenceCard>
+    </Box>
+  );
+}
+
 function Editor() {
   const [enterForNewline, setEnterForNewline] = useSetting(settingsAtom, 'enterForNewline');
   const [isMarkdown, setIsMarkdown] = useSetting(settingsAtom, 'isMarkdown');
@@ -637,6 +995,7 @@ export function General({ requestClose }: GeneralProps) {
           <PageContent>
             <Box direction="Column" gap="700">
               <Appearance />
+              <DateAndTime />
               <Editor />
               <Messages />
             </Box>

src/app/hooks/useAccountManagement.ts

@@ -0,0 +1,17 @@
+import { useMemo } from 'react';
+
+export const useAccountManagementActions = () => {
+  const actions = useMemo(
+    () => ({
+      profile: 'org.matrix.profile',
+      sessionsList: 'org.matrix.sessions_list',
+      sessionView: 'org.matrix.session_view',
+      sessionEnd: 'org.matrix.session_end',
+      accountDeactivate: 'org.matrix.account_deactivate',
+      crossSigningReset: 'org.matrix.cross_signing_reset',
+    }),
+    []
+  );
+
+  return actions;
+};

src/app/hooks/useAuthMetadata.ts

@@ -0,0 +1,12 @@
+import { ValidatedAuthMetadata } from 'matrix-js-sdk';
+import { createContext, useContext } from 'react';
+
+const AuthMetadataContext = createContext<ValidatedAuthMetadata | undefined>(undefined);
+
+export const AuthMetadataProvider = AuthMetadataContext.Provider;
+
+export const useAuthMetadata = (): ValidatedAuthMetadata | undefined => {
+  const metadata = useContext(AuthMetadataContext);
+
+  return metadata;
+};

src/app/hooks/useDateFormat.ts

@@ -0,0 +1,34 @@
+import { useMemo } from 'react';
+import { DateFormat } from '../state/settings';
+
+export type DateFormatItem = {
+  name: string;
+  format: DateFormat;
+};
+
+export const useDateFormatItems = (): DateFormatItem[] =>
+  useMemo(
+    () => [
+      {
+        format: 'D MMM YYYY',
+        name: 'D MMM YYYY',
+      },
+      {
+        format: 'DD/MM/YYYY',
+        name: 'DD/MM/YYYY',
+      },
+      {
+        format: 'MM/DD/YYYY',
+        name: 'MM/DD/YYYY',
+      },
+      {
+        format: 'YYYY/MM/DD',
+        name: 'YYYY/MM/DD',
+      },
+      {
+        format: '',
+        name: 'Custom',
+      },
+    ],
+    []
+  );

src/app/hooks/useRoomNavigate.ts

@@ -9,7 +9,7 @@ import {
   getSpaceRoomPath,
 } from '../pages/pathUtils';
 import { useMatrixClient } from './useMatrixClient';
-import { getOrphanParents } from '../utils/room';
+import { getOrphanParents, guessPerfectParent } from '../utils/room';
 import { roomToParentsAtom } from '../state/room/roomToParents';
 import { mDirectAtom } from '../state/mDirectList';
 import { useSelectedSpace } from './router/useSelectedSpace';
@@ -39,19 +39,19 @@ export const useRoomNavigate = () => {
 
       const orphanParents = openSpaceTimeline ? [roomId] : getOrphanParents(roomToParents, roomId);
       if (orphanParents.length > 0) {
-        const pSpaceIdOrAlias = getCanonicalAliasOrRoomId(
-          mx,
-          spaceSelectedId && orphanParents.includes(spaceSelectedId)
-            ? spaceSelectedId
-            : orphanParents[0] // TODO: better orphan parent selection.
-        );
-
-        if (openSpaceTimeline) {
-          navigate(getSpaceRoomPath(pSpaceIdOrAlias, roomId, eventId), opts);
-          return;
+        let parentSpace: string;
+        if (spaceSelectedId && orphanParents.includes(spaceSelectedId)) {
+          parentSpace = spaceSelectedId;
+        } else {
+          parentSpace = guessPerfectParent(mx, roomId, orphanParents) ?? orphanParents[0];
         }
 
-        navigate(getSpaceRoomPath(pSpaceIdOrAlias, roomIdOrAlias, eventId), opts);
+        const pSpaceIdOrAlias = getCanonicalAliasOrRoomId(mx, parentSpace);
+
+        navigate(
+          getSpaceRoomPath(pSpaceIdOrAlias, openSpaceTimeline ? roomId : roomIdOrAlias, eventId),
+          opts
+        );
         return;
       }
 

src/app/hooks/useTimeoutToggle.ts

@@ -0,0 +1,37 @@
+import { useCallback, useEffect, useRef, useState } from 'react';
+
+/**
+ * Temporarily sets a boolean state.
+ *
+ * @param duration - Duration in milliseconds before resetting (default: 1500)
+ * @param initial - Initial value (default: false)
+ */
+export function useTimeoutToggle(duration = 1500, initial = false): [boolean, () => void] {
+  const [active, setActive] = useState(initial);
+  const timeoutRef = useRef<number | null>(null);
+
+  const clear = () => {
+    if (timeoutRef.current !== null) {
+      clearTimeout(timeoutRef.current);
+      timeoutRef.current = null;
+    }
+  };
+
+  const trigger = useCallback(() => {
+    setActive(!initial);
+    clear();
+    timeoutRef.current = window.setTimeout(() => {
+      setActive(initial);
+      timeoutRef.current = null;
+    }, duration);
+  }, [duration, initial]);
+
+  useEffect(
+    () => () => {
+      clear();
+    },
+    []
+  );
+
+  return [active, trigger];
+}

src/app/molecules/space-add-existing/SpaceAddExisting.jsx

@@ -5,7 +5,7 @@ import './SpaceAddExisting.scss';
 
 import cons from '../../../client/state/cons';
 import navigation from '../../../client/state/navigation';
-import { joinRuleToIconSrc, getIdServer } from '../../../util/matrixUtil';
+import { joinRuleToIconSrc } from '../../../util/matrixUtil';
 import { Debounce } from '../../../util/common';
 
 import Text from '../../atoms/text/Text';
@@ -21,7 +21,6 @@ import Dialog from '../dialog/Dialog';
 import CrossIC from '../../../../public/res/ic/outlined/cross.svg';
 import SearchIC from '../../../../public/res/ic/outlined/search.svg';
 
-import { useStore } from '../../hooks/useStore';
 import { roomToParentsAtom } from '../../state/room/roomToParents';
 import { useDirects, useRooms, useSpaces } from '../../state/hooks/roomList';
 import { allRoomsAtom } from '../../state/room-list/roomList';
@@ -73,9 +72,6 @@ function SpaceAddExistingContent({ roomId, spaces: onlySpaces }) {
     await rateLimitedActions(selected, async (rId) => {
       const room = mx.getRoom(rId);
       const via = getViaServers(room);
-      if (via.length === 0) {
-        via.push(getIdServer(rId));
-      }
 
       await mx.sendStateEvent(
         roomId,

src/app/organisms/invite-user/InviteUser.jsx

@@ -273,7 +273,7 @@ function InviteUser({ isOpen, roomId, searchTerm, onRequestClose }) {
             searchUser(usernameRef.current.value);
           }}
         >
-          <Input value={searchTerm} forwardRef={usernameRef} label="Name or userId" />
+          <Input value={searchTerm} forwardRef={usernameRef} label="Name or userId" autoFocus />
           <Button disabled={isSearching} iconSrc={UserIC} variant="primary" type="submit">
             Search
           </Button>

src/app/organisms/join-alias/JoinAlias.jsx

@@ -75,7 +75,7 @@ function JoinAliasContent({ term, requestClose }) {
 
   return (
     <form className="join-alias" onSubmit={handleSubmit}>
-      <Input label="Address" value={term} name="alias" required />
+      <Input label="Address" value={term} name="alias" required autoFocus />
       {error && (
         <Text className="join-alias__error" variant="b3">
           {error}

src/app/pages/auth/SSOLogin.tsx

@@ -1,19 +1,21 @@
 import { Avatar, AvatarImage, Box, Button, Text } from 'folds';
-import { IIdentityProvider, createClient } from 'matrix-js-sdk';
+import { IIdentityProvider, SSOAction, createClient } from 'matrix-js-sdk';
 import React, { useMemo } from 'react';
 import { useAutoDiscoveryInfo } from '../../hooks/useAutoDiscoveryInfo';
 
 type SSOLoginProps = {
   providers?: IIdentityProvider[];
   redirectUrl: string;
+  action?: SSOAction;
   saveScreenSpace?: boolean;
 };
-export function SSOLogin({ providers, redirectUrl, saveScreenSpace }: SSOLoginProps) {
+export function SSOLogin({ providers, redirectUrl, action, saveScreenSpace }: SSOLoginProps) {
   const discovery = useAutoDiscoveryInfo();
   const baseUrl = discovery['m.homeserver'].base_url;
   const mx = useMemo(() => createClient({ baseUrl }), [baseUrl]);
 
-  const getSSOIdUrl = (ssoId?: string): string => mx.getSsoLoginUrl(redirectUrl, 'sso', ssoId);
+  const getSSOIdUrl = (ssoId?: string): string =>
+    mx.getSsoLoginUrl(redirectUrl, 'sso', ssoId, action);
 
   const withoutIcon = providers
     ? providers.find(

src/app/pages/auth/login/Login.tsx

@@ -1,6 +1,7 @@
 import React, { useMemo } from 'react';
 import { Box, Text, color } from 'folds';
 import { Link, useSearchParams } from 'react-router-dom';
+import { SSOAction } from 'matrix-js-sdk';
 import { useAuthFlows } from '../../../hooks/useAuthFlows';
 import { useAuthServer } from '../../../hooks/useAuthServer';
 import { useParsedLoginFlows } from '../../../hooks/useParsedLoginFlows';
@@ -76,6 +77,7 @@ export function Login() {
           <SSOLogin
             providers={parsedFlows.sso.identity_providers}
             redirectUrl={ssoRedirectUrl}
+            action={SSOAction.LOGIN}
             saveScreenSpace={parsedFlows.password !== undefined}
           />
           <span data-spacing-node />

src/app/pages/auth/register/Register.tsx

@@ -1,6 +1,7 @@
 import React, { useMemo } from 'react';
 import { Box, Text, color } from 'folds';
 import { Link, useSearchParams } from 'react-router-dom';
+import { SSOAction } from 'matrix-js-sdk';
 import { useAuthServer } from '../../../hooks/useAuthServer';
 import { RegisterFlowStatus, useAuthFlows } from '../../../hooks/useAuthFlows';
 import { useParsedLoginFlows } from '../../../hooks/useParsedLoginFlows';
@@ -83,6 +84,7 @@ export function Register() {
           <SSOLogin
             providers={sso.identity_providers}
             redirectUrl={ssoRedirectUrl}
+            action={SSOAction.REGISTER}
             saveScreenSpace={registerFlows.status === RegisterFlowStatus.FlowRequired}
           />
           <span data-spacing-node />

src/app/pages/client/ClientRoot.tsx

@@ -25,7 +25,7 @@ import {
 } from '../../../client/initMatrix';
 import { getSecret } from '../../../client/state/auth';
 import { SplashScreen } from '../../components/splash-screen';
-import { CapabilitiesAndMediaConfigLoader } from '../../components/CapabilitiesAndMediaConfigLoader';
+import { ServerConfigsLoader } from '../../components/ServerConfigsLoader';
 import { CapabilitiesProvider } from '../../hooks/useCapabilities';
 import { MediaConfigProvider } from '../../hooks/useMediaConfig';
 import { MatrixClientProvider } from '../../hooks/useMatrixClient';
@@ -37,6 +37,7 @@ import { AsyncStatus, useAsyncCallback } from '../../hooks/useAsyncCallback';
 import { useSyncState } from '../../hooks/useSyncState';
 import { stopPropagation } from '../../utils/keyboard';
 import { SyncStatus } from './SyncStatus';
+import { AuthMetadataProvider } from '../../hooks/useAuthMetadata';
 
 function ClientRootLoading() {
   return (
@@ -207,18 +208,20 @@ export function ClientRoot({ children }: ClientRootProps) {
         <ClientRootLoading />
       ) : (
         <MatrixClientProvider value={mx}>
-          <CapabilitiesAndMediaConfigLoader>
-            {(capabilities, mediaConfig) => (
-              <CapabilitiesProvider value={capabilities ?? {}}>
-                <MediaConfigProvider value={mediaConfig ?? {}}>
-                  {children}
-                  <Windows />
-                  <Dialogs />
-                  <ReusableContextMenu />
+          <ServerConfigsLoader>
+            {(serverConfigs) => (
+              <CapabilitiesProvider value={serverConfigs.capabilities ?? {}}>
+                <MediaConfigProvider value={serverConfigs.mediaConfig ?? {}}>
+                  <AuthMetadataProvider value={serverConfigs.authMetadata}>
+                    {children}
+                    <Windows />
+                    <Dialogs />
+                    <ReusableContextMenu />
+                  </AuthMetadataProvider>
                 </MediaConfigProvider>
               </CapabilitiesProvider>
             )}
-          </CapabilitiesAndMediaConfigLoader>
+          </ServerConfigsLoader>
         </MatrixClientProvider>
       )}
     </SpecVersions>

src/app/pages/client/inbox/Invites.tsx

@@ -65,6 +65,8 @@ import { testBadWords } from '../../../plugins/bad-words';
 import { allRoomsAtom } from '../../../state/room-list/roomList';
 import { useIgnoredUsers } from '../../../hooks/useIgnoredUsers';
 import { useReportRoomSupported } from '../../../hooks/useReportRoomSupported';
+import { useSetting } from '../../../state/hooks/settings';
+import { settingsAtom } from '../../../state/settings';
 
 const COMPACT_CARD_WIDTH = 548;
 
@@ -135,10 +137,19 @@ type NavigateHandler = (roomId: string, space: boolean) => void;
 type InviteCardProps = {
   invite: InviteData;
   compact?: boolean;
+  hour24Clock: boolean;
+  dateFormatString: string;
   onNavigate: NavigateHandler;
   hideAvatar: boolean;
 };
-function InviteCard({ invite, compact, onNavigate, hideAvatar }: InviteCardProps) {
+function InviteCard({
+  invite,
+  compact,
+  hour24Clock,
+  dateFormatString,
+  onNavigate,
+  hideAvatar,
+}: InviteCardProps) {
   const mx = useMatrixClient();
   const userId = mx.getSafeUserId();
 
@@ -295,7 +306,13 @@ function InviteCard({ invite, compact, onNavigate, hideAvatar }: InviteCardProps
         </Box>
         {invite.inviteTs && (
           <Box shrink="No">
-            <Time size="T200" ts={invite.inviteTs} priority="300" />
+            <Time
+              size="T200"
+              ts={invite.inviteTs}
+              hour24Clock={hour24Clock}
+              dateFormatString={dateFormatString}
+              priority="300"
+            />
           </Box>
         )}
       </Box>
@@ -384,8 +401,16 @@ type KnownInvitesProps = {
   invites: InviteData[];
   handleNavigate: NavigateHandler;
   compact: boolean;
+  hour24Clock: boolean;
+  dateFormatString: string;
 };
-function KnownInvites({ invites, handleNavigate, compact }: KnownInvitesProps) {
+function KnownInvites({
+  invites,
+  handleNavigate,
+  compact,
+  hour24Clock,
+  dateFormatString,
+}: KnownInvitesProps) {
   return (
     <Box direction="Column" gap="200">
       <Text size="H4">Primary</Text>
@@ -396,6 +421,8 @@ function KnownInvites({ invites, handleNavigate, compact }: KnownInvitesProps) {
               key={invite.roomId}
               invite={invite}
               compact={compact}
+              hour24Clock={hour24Clock}
+              dateFormatString={dateFormatString}
               onNavigate={handleNavigate}
               hideAvatar={false}
             />
@@ -420,8 +447,16 @@ type UnknownInvitesProps = {
   invites: InviteData[];
   handleNavigate: NavigateHandler;
   compact: boolean;
+  hour24Clock: boolean;
+  dateFormatString: string;
 };
-function UnknownInvites({ invites, handleNavigate, compact }: UnknownInvitesProps) {
+function UnknownInvites({
+  invites,
+  handleNavigate,
+  compact,
+  hour24Clock,
+  dateFormatString,
+}: UnknownInvitesProps) {
   const mx = useMatrixClient();
 
   const [declineAllStatus, declineAll] = useAsyncCallback(
@@ -459,6 +494,8 @@ function UnknownInvites({ invites, handleNavigate, compact }: UnknownInvitesProp
               key={invite.roomId}
               invite={invite}
               compact={compact}
+              hour24Clock={hour24Clock}
+              dateFormatString={dateFormatString}
               onNavigate={handleNavigate}
               hideAvatar
             />
@@ -483,8 +520,16 @@ type SpamInvitesProps = {
   invites: InviteData[];
   handleNavigate: NavigateHandler;
   compact: boolean;
+  hour24Clock: boolean;
+  dateFormatString: string;
 };
-function SpamInvites({ invites, handleNavigate, compact }: SpamInvitesProps) {
+function SpamInvites({
+  invites,
+  handleNavigate,
+  compact,
+  hour24Clock,
+  dateFormatString,
+}: SpamInvitesProps) {
   const mx = useMatrixClient();
   const [showInvites, setShowInvites] = useState(false);
 
@@ -608,6 +653,8 @@ function SpamInvites({ invites, handleNavigate, compact }: SpamInvitesProps) {
                 key={invite.roomId}
                 invite={invite}
                 compact={compact}
+                hour24Clock={hour24Clock}
+                dateFormatString={dateFormatString}
                 onNavigate={handleNavigate}
                 hideAvatar
               />
@@ -671,6 +718,9 @@ export function Invites() {
   );
   const screenSize = useScreenSizeContext();
 
+  const [hour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+  const [dateFormatString] = useSetting(settingsAtom, 'dateFormatString');
+
   const handleNavigate = (roomId: string, space: boolean) => {
     if (space) {
       navigateSpace(roomId);
@@ -723,6 +773,8 @@ export function Invites() {
                   <KnownInvites
                     invites={knownInvites}
                     compact={compact}
+                    hour24Clock={hour24Clock}
+                    dateFormatString={dateFormatString}
                     handleNavigate={handleNavigate}
                   />
                 )}
@@ -731,6 +783,8 @@ export function Invites() {
                   <UnknownInvites
                     invites={unknownInvites}
                     compact={compact}
+                    hour24Clock={hour24Clock}
+                    dateFormatString={dateFormatString}
                     handleNavigate={handleNavigate}
                   />
                 )}
@@ -739,6 +793,8 @@ export function Invites() {
                   <SpamInvites
                     invites={spamInvites}
                     compact={compact}
+                    hour24Clock={hour24Clock}
+                    dateFormatString={dateFormatString}
                     handleNavigate={handleNavigate}
                   />
                 )}

src/app/pages/client/inbox/Notifications.tsx

@@ -205,6 +205,8 @@ type RoomNotificationsGroupProps = {
   hideActivity: boolean;
   onOpen: (roomId: string, eventId: string) => void;
   legacyUsernameColor?: boolean;
+  hour24Clock: boolean;
+  dateFormatString: string;
 };
 function RoomNotificationsGroupComp({
   room,
@@ -214,6 +216,8 @@ function RoomNotificationsGroupComp({
   hideActivity,
   onOpen,
   legacyUsernameColor,
+  hour24Clock,
+  dateFormatString,
 }: RoomNotificationsGroupProps) {
   const mx = useMatrixClient();
   const useAuthentication = useMediaAuthentication();
@@ -496,7 +500,11 @@ function RoomNotificationsGroupComp({
                       </Username>
                       {tagIconSrc && <PowerIcon size="100" iconSrc={tagIconSrc} />}
                     </Box>
-                    <Time ts={event.origin_server_ts} />
+                    <Time
+                      ts={event.origin_server_ts}
+                      hour24Clock={hour24Clock}
+                      dateFormatString={dateFormatString}
+                    />
                   </Box>
                   <Box shrink="No" gap="200" alignItems="Center">
                     <Chip
@@ -549,6 +557,8 @@ export function Notifications() {
   const [mediaAutoLoad] = useSetting(settingsAtom, 'mediaAutoLoad');
   const [urlPreview] = useSetting(settingsAtom, 'urlPreview');
   const [legacyUsernameColor] = useSetting(settingsAtom, 'legacyUsernameColor');
+  const [hour24Clock] = useSetting(settingsAtom, 'hour24Clock');
+  const [dateFormatString] = useSetting(settingsAtom, 'dateFormatString');
   const screenSize = useScreenSizeContext();
   const mDirects = useAtomValue(mDirectAtom);
 
@@ -713,6 +723,8 @@ export function Notifications() {
                           legacyUsernameColor={
                             legacyUsernameColor || mDirects.has(groupRoom.roomId)
                           }
+                          hour24Clock={hour24Clock}
+                          dateFormatString={dateFormatString}
                         />
                       </VirtualTile>
                     );

src/app/plugins/react-custom-html-parser.tsx

@@ -1,5 +1,12 @@
 /* eslint-disable jsx-a11y/alt-text */
-import React, { ComponentPropsWithoutRef, ReactEventHandler, Suspense, lazy } from 'react';
+import React, {
+  ComponentPropsWithoutRef,
+  ReactEventHandler,
+  Suspense,
+  lazy,
+  useMemo,
+  useState,
+} from 'react';
 import {
   Element,
   Text as DOMText,
@@ -9,10 +16,11 @@ import {
 } from 'html-react-parser';
 import { MatrixClient } from 'matrix-js-sdk';
 import classNames from 'classnames';
-import { Scroll, Text } from 'folds';
+import { Box, Chip, config, Header, Icon, IconButton, Icons, Scroll, Text, toRem } from 'folds';
 import { IntermediateRepresentation, Opts as LinkifyOpts, OptFn } from 'linkifyjs';
 import Linkify from 'linkify-react';
 import { ErrorBoundary } from 'react-error-boundary';
+import { ChildNode } from 'domhandler';
 import * as css from '../styles/CustomHtml.css';
 import {
   getMxIdLocalPart,
@@ -31,7 +39,8 @@ import {
   testMatrixTo,
 } from './matrix-to';
 import { onEnterOrSpace } from '../utils/keyboard';
-import { tryDecodeURIComponent } from '../utils/dom';
+import { copyToClipboard, tryDecodeURIComponent } from '../utils/dom';
+import { useTimeoutToggle } from '../hooks/useTimeoutToggle';
 
 const ReactPrism = lazy(() => import('./react-prism/ReactPrism'));
 
@@ -195,6 +204,111 @@ export const highlightText = (
     );
   });
 
+/**
+ * Recursively extracts and concatenates all text content from an array of ChildNode objects.
+ *
+ * @param {ChildNode[]} nodes - An array of ChildNode objects to extract text from.
+ * @returns {string} The concatenated plain text content of all descendant text nodes.
+ */
+const extractTextFromChildren = (nodes: ChildNode[]): string => {
+  let text = '';
+
+  nodes.forEach((node) => {
+    if (node.type === 'text') {
+      text += node.data;
+    } else if (node instanceof Element && node.children) {
+      text += extractTextFromChildren(node.children);
+    }
+  });
+
+  return text;
+};
+
+export function CodeBlock({
+  children,
+  opts,
+}: {
+  children: ChildNode[];
+  opts: HTMLReactParserOptions;
+}) {
+  const code = children[0];
+  const languageClass =
+    code instanceof Element && code.name === 'code' ? code.attribs.class : undefined;
+  const language =
+    languageClass && languageClass.startsWith('language-')
+      ? languageClass.replace('language-', '')
+      : languageClass;
+
+  const LINE_LIMIT = 14;
+  const largeCodeBlock = useMemo(
+    () => extractTextFromChildren(children).split('\n').length > LINE_LIMIT,
+    [children]
+  );
+
+  const [expanded, setExpand] = useState(false);
+  const [copied, setCopied] = useTimeoutToggle();
+
+  const handleCopy = () => {
+    copyToClipboard(extractTextFromChildren(children));
+    setCopied();
+  };
+
+  const toggleExpand = () => {
+    setExpand(!expanded);
+  };
+
+  return (
+    <Text size="T300" as="pre" className={css.CodeBlock}>
+      <Header variant="Surface" size="400" className={css.CodeBlockHeader}>
+        <Box grow="Yes">
+          <Text size="L400" truncate>
+            {language ?? 'Code'}
+          </Text>
+        </Box>
+        <Box shrink="No" gap="200">
+          <Chip
+            variant={copied ? 'Success' : 'Surface'}
+            fill="None"
+            radii="Pill"
+            onClick={handleCopy}
+            before={copied && <Icon size="50" src={Icons.Check} />}
+          >
+            <Text size="B300">{copied ? 'Copied' : 'Copy'}</Text>
+          </Chip>
+          {largeCodeBlock && (
+            <IconButton
+              size="300"
+              variant="SurfaceVariant"
+              outlined
+              radii="300"
+              onClick={toggleExpand}
+              aria-label={expanded ? 'Collapse' : 'Expand'}
+            >
+              <Icon size="50" src={expanded ? Icons.ChevronTop : Icons.ChevronBottom} />
+            </IconButton>
+          )}
+        </Box>
+      </Header>
+      <Scroll
+        style={{
+          maxHeight: largeCodeBlock && !expanded ? toRem(300) : undefined,
+          paddingBottom: largeCodeBlock ? config.space.S400 : undefined,
+        }}
+        direction="Both"
+        variant="SurfaceVariant"
+        size="300"
+        visibility="Hover"
+        hideTrack
+      >
+        <div id="code-block-content" className={css.CodeBlockInternal}>
+          {domToReact(children, opts)}
+        </div>
+      </Scroll>
+      {largeCodeBlock && !expanded && <Box className={css.CodeBlockBottomShadow} />}
+    </Text>
+  );
+}
+
 export const getReactCustomHtmlParser = (
   mx: MatrixClient,
   roomId: string | undefined,
@@ -269,19 +383,7 @@ export const getReactCustomHtmlParser = (
         }
 
         if (name === 'pre') {
-          return (
-            <Text {...props} as="pre" className={css.CodeBlock}>
-              <Scroll
-                direction="Horizontal"
-                variant="Secondary"
-                size="300"
-                visibility="Hover"
-                hideTrack
-              >
-                <div className={css.CodeBlockInternal}>{domToReact(children, opts)}</div>
-              </Scroll>
-            </Text>
-          );
+          return <CodeBlock opts={opts}>{children}</CodeBlock>;
         }
 
         if (name === 'blockquote') {
@@ -331,9 +433,9 @@ export const getReactCustomHtmlParser = (
             }
           } else {
             return (
-              <code className={css.Code} {...props}>
+              <Text as="code" size="T300" className={css.Code} {...props}>
                 {domToReact(children, opts)}
-              </code>
+              </Text>
             );
           }
         }

src/app/plugins/react-prism/ReactPrism.tsx

@@ -2,18 +2,307 @@ import React, { MutableRefObject, ReactNode, useEffect, useRef } from 'react';
 
 import Prism from 'prismjs';
 
-import 'prismjs/components/prism-json';
-import 'prismjs/components/prism-javascript';
-import 'prismjs/components/prism-typescript';
-import 'prismjs/components/prism-css';
-import 'prismjs/components/prism-sass';
-import 'prismjs/components/prism-swift';
-import 'prismjs/components/prism-rust';
-import 'prismjs/components/prism-go';
-import 'prismjs/components/prism-c';
-import 'prismjs/components/prism-cpp';
-import 'prismjs/components/prism-java';
-import 'prismjs/components/prism-python';
+import 'prismjs/components/prism-abap.js';
+import 'prismjs/components/prism-abnf.js';
+import 'prismjs/components/prism-actionscript.js';
+import 'prismjs/components/prism-ada.js';
+import 'prismjs/components/prism-agda.js';
+import 'prismjs/components/prism-al.js';
+import 'prismjs/components/prism-antlr4.js';
+import 'prismjs/components/prism-apacheconf.js';
+import 'prismjs/components/prism-apex.js';
+import 'prismjs/components/prism-apl.js';
+import 'prismjs/components/prism-applescript.js';
+import 'prismjs/components/prism-aql.js';
+import 'prismjs/components/prism-arff.js';
+import 'prismjs/components/prism-armasm.js';
+import 'prismjs/components/prism-arturo.js';
+import 'prismjs/components/prism-asciidoc.js';
+import 'prismjs/components/prism-asm6502.js';
+import 'prismjs/components/prism-asmatmel.js';
+import 'prismjs/components/prism-aspnet.js';
+import 'prismjs/components/prism-autohotkey.js';
+import 'prismjs/components/prism-autoit.js';
+import 'prismjs/components/prism-avisynth.js';
+import 'prismjs/components/prism-avro-idl.js';
+import 'prismjs/components/prism-awk.js';
+import 'prismjs/components/prism-bash.js';
+import 'prismjs/components/prism-basic.js';
+import 'prismjs/components/prism-batch.js';
+import 'prismjs/components/prism-bbcode.js';
+import 'prismjs/components/prism-bbj.js';
+import 'prismjs/components/prism-bicep.js';
+import 'prismjs/components/prism-birb.js';
+import 'prismjs/components/prism-bnf.js';
+import 'prismjs/components/prism-bqn.js';
+import 'prismjs/components/prism-brainfuck.js';
+import 'prismjs/components/prism-brightscript.js';
+import 'prismjs/components/prism-bro.js';
+import 'prismjs/components/prism-bsl.js';
+import 'prismjs/components/prism-c.js';
+import 'prismjs/components/prism-cfscript.js';
+import 'prismjs/components/prism-cil.js';
+import 'prismjs/components/prism-cilkc.js';
+import 'prismjs/components/prism-cilkcpp.js';
+import 'prismjs/components/prism-clike.js';
+import 'prismjs/components/prism-clojure.js';
+import 'prismjs/components/prism-cmake.js';
+import 'prismjs/components/prism-cobol.js';
+import 'prismjs/components/prism-coffeescript.js';
+import 'prismjs/components/prism-concurnas.js';
+import 'prismjs/components/prism-cooklang.js';
+import 'prismjs/components/prism-coq.js';
+import 'prismjs/components/prism-cpp.js';
+import 'prismjs/components/prism-csharp.js';
+import 'prismjs/components/prism-cshtml.js';
+import 'prismjs/components/prism-csp.js';
+import 'prismjs/components/prism-css-extras.js';
+import 'prismjs/components/prism-css.js';
+import 'prismjs/components/prism-csv.js';
+import 'prismjs/components/prism-cue.js';
+import 'prismjs/components/prism-cypher.js';
+import 'prismjs/components/prism-d.js';
+import 'prismjs/components/prism-dart.js';
+import 'prismjs/components/prism-dataweave.js';
+import 'prismjs/components/prism-dax.js';
+import 'prismjs/components/prism-dhall.js';
+import 'prismjs/components/prism-diff.js';
+import 'prismjs/components/prism-dns-zone-file.js';
+import 'prismjs/components/prism-docker.js';
+import 'prismjs/components/prism-dot.js';
+import 'prismjs/components/prism-ebnf.js';
+import 'prismjs/components/prism-editorconfig.js';
+import 'prismjs/components/prism-eiffel.js';
+import 'prismjs/components/prism-ejs.js';
+import 'prismjs/components/prism-elixir.js';
+import 'prismjs/components/prism-elm.js';
+import 'prismjs/components/prism-erb.js';
+import 'prismjs/components/prism-erlang.js';
+import 'prismjs/components/prism-etlua.js';
+import 'prismjs/components/prism-excel-formula.js';
+import 'prismjs/components/prism-factor.js';
+import 'prismjs/components/prism-false.js';
+import 'prismjs/components/prism-firestore-security-rules.js';
+import 'prismjs/components/prism-flow.js';
+import 'prismjs/components/prism-fortran.js';
+import 'prismjs/components/prism-fsharp.js';
+import 'prismjs/components/prism-ftl.js';
+import 'prismjs/components/prism-gap.js';
+import 'prismjs/components/prism-gcode.js';
+import 'prismjs/components/prism-gdscript.js';
+import 'prismjs/components/prism-gedcom.js';
+import 'prismjs/components/prism-gettext.js';
+import 'prismjs/components/prism-gherkin.js';
+import 'prismjs/components/prism-git.js';
+import 'prismjs/components/prism-glsl.js';
+import 'prismjs/components/prism-gml.js';
+import 'prismjs/components/prism-gn.js';
+import 'prismjs/components/prism-go-module.js';
+import 'prismjs/components/prism-go.js';
+import 'prismjs/components/prism-gradle.js';
+import 'prismjs/components/prism-graphql.js';
+import 'prismjs/components/prism-groovy.js';
+import 'prismjs/components/prism-haml.js';
+import 'prismjs/components/prism-handlebars.js';
+import 'prismjs/components/prism-haskell.js';
+import 'prismjs/components/prism-haxe.js';
+import 'prismjs/components/prism-hcl.js';
+import 'prismjs/components/prism-hlsl.js';
+import 'prismjs/components/prism-hoon.js';
+import 'prismjs/components/prism-hpkp.js';
+import 'prismjs/components/prism-hsts.js';
+import 'prismjs/components/prism-http.js';
+import 'prismjs/components/prism-ichigojam.js';
+import 'prismjs/components/prism-icon.js';
+import 'prismjs/components/prism-icu-message-format.js';
+import 'prismjs/components/prism-idris.js';
+import 'prismjs/components/prism-iecst.js';
+import 'prismjs/components/prism-ignore.js';
+import 'prismjs/components/prism-inform7.js';
+import 'prismjs/components/prism-ini.js';
+import 'prismjs/components/prism-io.js';
+import 'prismjs/components/prism-j.js';
+import 'prismjs/components/prism-java.js';
+import 'prismjs/components/prism-javadoclike.js';
+import 'prismjs/components/prism-javascript.js';
+import 'prismjs/components/prism-javastacktrace.js';
+import 'prismjs/components/prism-jexl.js';
+import 'prismjs/components/prism-jolie.js';
+import 'prismjs/components/prism-jq.js';
+import 'prismjs/components/prism-js-extras.js';
+import 'prismjs/components/prism-js-templates.js';
+import 'prismjs/components/prism-json.js';
+import 'prismjs/components/prism-json5.js';
+import 'prismjs/components/prism-jsonp.js';
+import 'prismjs/components/prism-jsstacktrace.js';
+import 'prismjs/components/prism-jsx.js';
+import 'prismjs/components/prism-julia.js';
+import 'prismjs/components/prism-keepalived.js';
+import 'prismjs/components/prism-keyman.js';
+import 'prismjs/components/prism-kotlin.js';
+import 'prismjs/components/prism-kumir.js';
+import 'prismjs/components/prism-kusto.js';
+import 'prismjs/components/prism-latex.js';
+import 'prismjs/components/prism-latte.js';
+import 'prismjs/components/prism-less.js';
+import 'prismjs/components/prism-lilypond.js';
+import 'prismjs/components/prism-linker-script.js';
+import 'prismjs/components/prism-liquid.js';
+import 'prismjs/components/prism-lisp.js';
+import 'prismjs/components/prism-livescript.js';
+import 'prismjs/components/prism-llvm.js';
+import 'prismjs/components/prism-log.js';
+import 'prismjs/components/prism-lolcode.js';
+import 'prismjs/components/prism-lua.js';
+import 'prismjs/components/prism-magma.js';
+import 'prismjs/components/prism-makefile.js';
+import 'prismjs/components/prism-markdown.js';
+import 'prismjs/components/prism-markup-templating.js';
+import 'prismjs/components/prism-markup.js';
+import 'prismjs/components/prism-mata.js';
+import 'prismjs/components/prism-matlab.js';
+import 'prismjs/components/prism-maxscript.js';
+import 'prismjs/components/prism-mel.js';
+import 'prismjs/components/prism-mermaid.js';
+import 'prismjs/components/prism-metafont.js';
+import 'prismjs/components/prism-mizar.js';
+import 'prismjs/components/prism-mongodb.js';
+import 'prismjs/components/prism-monkey.js';
+import 'prismjs/components/prism-moonscript.js';
+import 'prismjs/components/prism-n1ql.js';
+import 'prismjs/components/prism-n4js.js';
+import 'prismjs/components/prism-nand2tetris-hdl.js';
+import 'prismjs/components/prism-naniscript.js';
+import 'prismjs/components/prism-nasm.js';
+import 'prismjs/components/prism-neon.js';
+import 'prismjs/components/prism-nevod.js';
+import 'prismjs/components/prism-nginx.js';
+import 'prismjs/components/prism-nim.js';
+import 'prismjs/components/prism-nix.js';
+import 'prismjs/components/prism-nsis.js';
+import 'prismjs/components/prism-objectivec.js';
+import 'prismjs/components/prism-ocaml.js';
+import 'prismjs/components/prism-odin.js';
+import 'prismjs/components/prism-opencl.js';
+import 'prismjs/components/prism-openqasm.js';
+import 'prismjs/components/prism-oz.js';
+import 'prismjs/components/prism-parigp.js';
+import 'prismjs/components/prism-parser.js';
+import 'prismjs/components/prism-pascal.js';
+import 'prismjs/components/prism-pascaligo.js';
+import 'prismjs/components/prism-pcaxis.js';
+import 'prismjs/components/prism-peoplecode.js';
+import 'prismjs/components/prism-perl.js';
+import 'prismjs/components/prism-php-extras.js';
+import 'prismjs/components/prism-php.js';
+import 'prismjs/components/prism-phpdoc.js';
+import 'prismjs/components/prism-plant-uml.js';
+import 'prismjs/components/prism-powerquery.js';
+import 'prismjs/components/prism-powershell.js';
+import 'prismjs/components/prism-processing.js';
+import 'prismjs/components/prism-prolog.js';
+import 'prismjs/components/prism-promql.js';
+import 'prismjs/components/prism-properties.js';
+import 'prismjs/components/prism-protobuf.js';
+import 'prismjs/components/prism-psl.js';
+import 'prismjs/components/prism-pug.js';
+import 'prismjs/components/prism-puppet.js';
+import 'prismjs/components/prism-pure.js';
+import 'prismjs/components/prism-purebasic.js';
+import 'prismjs/components/prism-purescript.js';
+import 'prismjs/components/prism-python.js';
+import 'prismjs/components/prism-q.js';
+import 'prismjs/components/prism-qml.js';
+import 'prismjs/components/prism-qore.js';
+import 'prismjs/components/prism-qsharp.js';
+import 'prismjs/components/prism-r.js';
+import 'prismjs/components/prism-reason.js';
+import 'prismjs/components/prism-regex.js';
+import 'prismjs/components/prism-rego.js';
+import 'prismjs/components/prism-renpy.js';
+import 'prismjs/components/prism-rescript.js';
+import 'prismjs/components/prism-rest.js';
+import 'prismjs/components/prism-rip.js';
+import 'prismjs/components/prism-roboconf.js';
+import 'prismjs/components/prism-robotframework.js';
+import 'prismjs/components/prism-ruby.js';
+import 'prismjs/components/prism-rust.js';
+import 'prismjs/components/prism-sas.js';
+import 'prismjs/components/prism-sass.js';
+import 'prismjs/components/prism-scala.js';
+import 'prismjs/components/prism-scheme.js';
+import 'prismjs/components/prism-scss.js';
+import 'prismjs/components/prism-shell-session.js';
+import 'prismjs/components/prism-smali.js';
+import 'prismjs/components/prism-smalltalk.js';
+import 'prismjs/components/prism-smarty.js';
+import 'prismjs/components/prism-sml.js';
+import 'prismjs/components/prism-solidity.js';
+import 'prismjs/components/prism-solution-file.js';
+import 'prismjs/components/prism-soy.js';
+import 'prismjs/components/prism-splunk-spl.js';
+import 'prismjs/components/prism-sqf.js';
+import 'prismjs/components/prism-sql.js';
+import 'prismjs/components/prism-squirrel.js';
+import 'prismjs/components/prism-stan.js';
+import 'prismjs/components/prism-stata.js';
+import 'prismjs/components/prism-stylus.js';
+import 'prismjs/components/prism-supercollider.js';
+import 'prismjs/components/prism-swift.js';
+import 'prismjs/components/prism-systemd.js';
+import 'prismjs/components/prism-t4-templating.js';
+import 'prismjs/components/prism-t4-vb.js';
+import 'prismjs/components/prism-tap.js';
+import 'prismjs/components/prism-tcl.js';
+import 'prismjs/components/prism-textile.js';
+import 'prismjs/components/prism-toml.js';
+import 'prismjs/components/prism-tremor.js';
+import 'prismjs/components/prism-tsx.js';
+import 'prismjs/components/prism-tt2.js';
+import 'prismjs/components/prism-turtle.js';
+import 'prismjs/components/prism-twig.js';
+import 'prismjs/components/prism-typescript.js';
+import 'prismjs/components/prism-typoscript.js';
+import 'prismjs/components/prism-unrealscript.js';
+import 'prismjs/components/prism-uorazor.js';
+import 'prismjs/components/prism-uri.js';
+import 'prismjs/components/prism-v.js';
+import 'prismjs/components/prism-vala.js';
+import 'prismjs/components/prism-vbnet.js';
+import 'prismjs/components/prism-velocity.js';
+import 'prismjs/components/prism-verilog.js';
+import 'prismjs/components/prism-vhdl.js';
+import 'prismjs/components/prism-vim.js';
+import 'prismjs/components/prism-visual-basic.js';
+import 'prismjs/components/prism-warpscript.js';
+import 'prismjs/components/prism-wasm.js';
+import 'prismjs/components/prism-web-idl.js';
+import 'prismjs/components/prism-wgsl.js';
+import 'prismjs/components/prism-wiki.js';
+import 'prismjs/components/prism-wolfram.js';
+import 'prismjs/components/prism-wren.js';
+import 'prismjs/components/prism-xeora.js';
+import 'prismjs/components/prism-xml-doc.js';
+import 'prismjs/components/prism-xojo.js';
+import 'prismjs/components/prism-xquery.js';
+import 'prismjs/components/prism-yaml.js';
+import 'prismjs/components/prism-yang.js';
+import 'prismjs/components/prism-zig.js';
+import 'prismjs/components/prism-arduino.js';
+
+// Broken:
+//
+// import 'prismjs/components/prism-bison.js';
+// import 'prismjs/components/prism-chaiscript.js';
+// import 'prismjs/components/prism-core.js';
+// import 'prismjs/components/prism-crystal.js';
+// import 'prismjs/components/prism-django.js';
+// import 'prismjs/components/prism-javadoc.js';
+// import 'prismjs/components/prism-jsdoc.js';
+// import 'prismjs/components/prism-plsql.js';
+// import 'prismjs/components/prism-racket.js';
+// import 'prismjs/components/prism-sparql.js';
+// import 'prismjs/components/prism-t4-cs.js';
 
 import './ReactPrism.css';
 // using classNames .prism-dark .prism-light from ReactPrism.css

src/app/state/settings.ts

@@ -1,6 +1,7 @@
 import { atom } from 'jotai';
 
 const STORAGE_KEY = 'settings';
+export type DateFormat = 'D MMM YYYY' | 'DD/MM/YYYY' | 'MM/DD/YYYY' | 'YYYY/MM/DD' | '';
 export type MessageSpacing = '0' | '100' | '200' | '300' | '400' | '500';
 export enum MessageLayout {
   Modern = 0,
@@ -35,6 +36,9 @@ export interface Settings {
   showNotifications: boolean;
   isNotificationSounds: boolean;
 
+  hour24Clock: boolean;
+  dateFormatString: string;
+
   developerTools: boolean;
 }
 
@@ -65,6 +69,9 @@ const defaultSettings: Settings = {
   showNotifications: true,
   isNotificationSounds: true,
 
+  hour24Clock: false,
+  dateFormatString: 'D MMM YYYY',
+
   developerTools: false,
 };
 

src/app/styles/CustomHtml.css.ts

@@ -41,16 +41,19 @@ export const BlockQuote = style([
 ]);
 
 const BaseCode = style({
-  fontFamily: 'monospace',
-  color: color.Secondary.OnContainer,
-  background: color.Secondary.Container,
-  border: `${config.borderWidth.B300} solid ${color.Secondary.ContainerLine}`,
+  color: color.SurfaceVariant.OnContainer,
+  background: color.SurfaceVariant.Container,
+  border: `${config.borderWidth.B300} solid ${color.SurfaceVariant.ContainerLine}`,
   borderRadius: config.radii.R300,
 });
+const CodeFont = style({
+  fontFamily: 'monospace',
+});
 
 export const Code = style([
   DefaultReset,
   BaseCode,
+  CodeFont,
   {
     padding: `0 ${config.space.S100}`,
   },
@@ -85,10 +88,32 @@ export const CodeBlock = style([
   MarginSpaced,
   {
     fontStyle: 'normal',
+    position: 'relative',
+    overflow: 'hidden',
   },
 ]);
-export const CodeBlockInternal = style({
-  padding: `${config.space.S200} ${config.space.S200} 0`,
+export const CodeBlockHeader = style({
+  padding: `0 ${config.space.S200} 0 ${config.space.S300}`,
+  borderBottomWidth: config.borderWidth.B300,
+  gap: config.space.S200,
+});
+export const CodeBlockInternal = style([
+  CodeFont,
+  {
+    padding: `${config.space.S200} ${config.space.S200} 0`,
+    minWidth: toRem(200),
+  },
+]);
+
+export const CodeBlockBottomShadow = style({
+  position: 'absolute',
+  bottom: 0,
+  left: 0,
+  right: 0,
+  pointerEvents: 'none',
+
+  height: config.space.S400,
+  background: `linear-gradient(to top, #00000022, #00000000)`,
 });
 
 export const List = style([

src/app/utils/matrix.ts

@@ -23,9 +23,9 @@ const DOMAIN_REGEX = /\b(?:[a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}\b/;
 
 export const isServerName = (serverName: string): boolean => DOMAIN_REGEX.test(serverName);
 
-export const matchMxId = (id: string): RegExpMatchArray | null => id.match(/^([@!$+#])(.+):(\S+)$/);
+const matchMxId = (id: string): RegExpMatchArray | null => id.match(/^([@$+#])(.+):(\S+)$/);
 
-export const validMxId = (id: string): boolean => !!matchMxId(id);
+const validMxId = (id: string): boolean => !!matchMxId(id);
 
 export const getMxIdServer = (userId: string): string | undefined => matchMxId(userId)?.[3];
 
@@ -33,7 +33,7 @@ export const getMxIdLocalPart = (userId: string): string | undefined => matchMxI
 
 export const isUserId = (id: string): boolean => validMxId(id) && id.startsWith('@');
 
-export const isRoomId = (id: string): boolean => validMxId(id) && id.startsWith('!');
+export const isRoomId = (id: string): boolean => id.startsWith('!');
 
 export const isRoomAlias = (id: string): boolean => validMxId(id) && id.startsWith('#');
 
@@ -50,7 +50,11 @@ export const getCanonicalAliasOrRoomId = (mx: MatrixClient, roomId: string): str
   const room = mx.getRoom(roomId);
   if (!room) return roomId;
   if (getStateEvent(room, StateEvent.RoomTombstone) !== undefined) return roomId;
-  return room.getCanonicalAlias() || roomId;
+  const alias = room.getCanonicalAlias();
+  if (alias && getCanonicalAliasRoomId(mx, alias) === roomId) {
+    return alias;
+  }
+  return roomId;
 };
 
 export const getImageInfo = (img: HTMLImageElement, fileOrBlob: File | Blob): IImageInfo => {

src/app/utils/room.ts

@@ -5,6 +5,7 @@ import {
   EventTimelineSet,
   EventType,
   IMentions,
+  IPowerLevelsContent,
   IPushRule,
   IPushRules,
   JoinRule,
@@ -293,9 +294,14 @@ export const getDirectRoomAvatarUrl = (
   useAuthentication = false
 ): string | undefined => {
   const mxcUrl = room.getAvatarFallbackMember()?.getMxcAvatarUrl();
-  return mxcUrl
-    ? mx.mxcUrlToHttp(mxcUrl, size, size, 'crop', undefined, false, useAuthentication) ?? undefined
-    : undefined;
+
+  if (!mxcUrl) {
+    return getRoomAvatarUrl(mx, room, size, useAuthentication);
+  }
+
+  return (
+    mx.mxcUrlToHttp(mxcUrl, size, size, 'crop', undefined, false, useAuthentication) ?? undefined
+  );
 };
 
 export const trimReplyFromBody = (body: string): string => {
@@ -473,3 +479,43 @@ export const bannedInRooms = (mx: MatrixClient, rooms: string[], otherUserId: st
     const banned = room.hasMembershipState(otherUserId, Membership.Ban);
     return banned;
   });
+
+export const guessPerfectParent = (
+  mx: MatrixClient,
+  roomId: string,
+  parents: string[]
+): string | undefined => {
+  if (parents.length === 1) {
+    return parents[0];
+  }
+
+  const getSpecialUsers = (rId: string): string[] => {
+    const r = mx.getRoom(rId);
+    const powerLevels =
+      r && getStateEvent(r, StateEvent.RoomPowerLevels)?.getContent<IPowerLevelsContent>();
+
+    const { users_default: usersDefault, users } = powerLevels ?? {};
+    if (typeof users !== 'object') return [];
+
+    const defaultPower = typeof usersDefault === 'number' ? usersDefault : 0;
+    return Object.keys(users).filter((userId) => users[userId] > defaultPower);
+  };
+
+  let perfectParent: string | undefined;
+  let score = 0;
+
+  const roomSpecialUsers = getSpecialUsers(roomId);
+  parents.forEach((parentId) => {
+    const parentSpecialUsers = getSpecialUsers(parentId);
+    const matchedUsersCount = parentSpecialUsers.filter((userId) =>
+      roomSpecialUsers.includes(userId)
+    ).length;
+
+    if (matchedUsersCount > score) {
+      score = matchedUsersCount;
+      perfectParent = parentId;
+    }
+  });
+
+  return perfectParent;
+};

src/app/utils/time.ts

@@ -9,12 +9,29 @@ export const today = (ts: number): boolean => dayjs(ts).isToday();
 
 export const yesterday = (ts: number): boolean => dayjs(ts).isYesterday();
 
-export const timeHourMinute = (ts: number): string => dayjs(ts).format('hh:mm A');
+export const timeHour = (ts: number, hour24Clock: boolean): string =>
+  dayjs(ts).format(hour24Clock ? 'HH' : 'hh');
+export const timeMinute = (ts: number): string => dayjs(ts).format('mm');
+export const timeAmPm = (ts: number): string => dayjs(ts).format('A');
+export const timeDay = (ts: number): string => dayjs(ts).format('D');
+export const timeMon = (ts: number): string => dayjs(ts).format('MMM');
+export const timeMonth = (ts: number): string => dayjs(ts).format('MMMM');
+export const timeYear = (ts: number): string => dayjs(ts).format('YYYY');
 
-export const timeDayMonYear = (ts: number): string => dayjs(ts).format('D MMM YYYY');
+export const timeHourMinute = (ts: number, hour24Clock: boolean): string =>
+  dayjs(ts).format(hour24Clock ? 'HH:mm' : 'hh:mm A');
+
+export const timeDayMonYear = (ts: number, dateFormatString: string): string =>
+  dayjs(ts).format(dateFormatString);
 
 export const timeDayMonthYear = (ts: number): string => dayjs(ts).format('D MMMM YYYY');
 
+export const daysInMonth = (month: number, year: number): number =>
+  dayjs(`${year}-${month}-1`).daysInMonth();
+
+export const dateFor = (year: number, month: number, day: number): number =>
+  dayjs(`${year}-${month}-${day}`).valueOf();
+
 export const inSameDay = (ts1: number, ts2: number): boolean => {
   const dt1 = new Date(ts1);
   const dt2 = new Date(ts2);
@@ -33,3 +50,37 @@ export const minuteDifference = (ts1: number, ts2: number): number => {
   diff /= 60;
   return Math.abs(Math.round(diff));
 };
+
+export const hour24to12 = (hour24: number): number => {
+  const h = hour24 % 12;
+
+  if (h === 0) return 12;
+  return h;
+};
+
+export const hour12to24 = (hour: number, pm: boolean): number => {
+  if (hour === 12) {
+    return pm ? 12 : 0;
+  }
+  return pm ? hour + 12 : hour;
+};
+
+export const secondsToMs = (seconds: number) => seconds * 1000;
+
+export const minutesToMs = (minutes: number) => minutes * secondsToMs(60);
+
+export const hoursToMs = (hour: number) => hour * minutesToMs(60);
+
+export const daysToMs = (days: number) => days * hoursToMs(24);
+
+export const getToday = () => {
+  const nowTs = Date.now();
+  const date = dayjs(nowTs);
+  return dateFor(date.year(), date.month() + 1, date.date());
+};
+
+export const getYesterday = () => {
+  const nowTs = Date.now() - daysToMs(1);
+  const date = dayjs(nowTs);
+  return dateFor(date.year(), date.month() + 1, date.date());
+};

src/client/action/room.js

@@ -12,7 +12,7 @@ function addRoomToMDirect(mx, roomId, userId) {
   const mDirectsEvent = mx.getAccountData('m.direct');
   let userIdToRoomIds = {};
 
-  if (typeof mDirectsEvent !== 'undefined') userIdToRoomIds = mDirectsEvent.getContent();
+  if (typeof mDirectsEvent !== 'undefined') userIdToRoomIds = structuredClone(mDirectsEvent.getContent());
 
   // remove it from the lists of any others users
   // (it can only be a DM room for one person)
@@ -93,11 +93,8 @@ function convertToRoom(mx, roomId) {
  * @param {string[]} via
  */
 async function join(mx, roomIdOrAlias, isDM = false, via = undefined) {
-  const roomIdParts = roomIdOrAlias.split(':');
-  const viaServers = via || [roomIdParts[1]];
-
   try {
-    const resultRoom = await mx.joinRoom(roomIdOrAlias, { viaServers });
+    const resultRoom = await mx.joinRoom(roomIdOrAlias, { viaServers: via });
 
     if (isDM) {
       const targetUserId = guessDMRoomTargetId(mx.getRoom(resultRoom.roomId), mx.getUserId());