fix(mobile/ios/ipad): keyboard scroll, layout, timeline jump, and UX fixes

src/app/components/SwipeableChatWrapper.tsx

@@ -44,8 +44,8 @@ export function SwipeableChatWrapper({
       if (active) {
         x.set(val);
       } else {
-        const swipeThreshold = 120;
-        const velocityThreshold = 0.5;
+        const swipeThreshold = 180;
+        const velocityThreshold = 1.2;
 
         if (val > swipeThreshold || (vx > velocityThreshold && dx > 0 && val > 0)) {
           onOpenSidebar?.();

src/app/components/SwipeableMessageWrapper.tsx

@@ -18,9 +18,9 @@ function ActiveSwipeWrapper({ children, onReply }: { children: ReactNode; onRepl
       if (active) {
         const val = mx < 0 ? mx : 0;
         x.set(Math.max(-80, val));
-        if (mx < -50 !== isReady) setIsReady(mx < -50);
+        if (mx < -80 !== isReady) setIsReady(mx < -80);
       } else {
-        if (mx < -50) onReply();
+        if (mx < -80) onReply();
         x.set(0);
         setIsReady(false);
       }

src/app/components/SwipeableOverlayWrapper.tsx

@@ -40,8 +40,8 @@ export function SwipeableOverlayWrapper({
       if (active) {
         x.set(val);
       } else {
-        const swipeThreshold = 100;
-        const velocityThreshold = 0.5;
+        const swipeThreshold = 150;
+        const velocityThreshold = 1.2;
 
         const swipedLeft =
           direction === 'left' && (val < -swipeThreshold || (vx > velocityThreshold && dx < 0));

src/app/components/editor/Editor.css.ts

@@ -65,6 +65,9 @@ export const EditorTextarea = style([
   {
     flexGrow: 1,
     height: 'auto',
+    // Detect text direction per-keystroke so RTL text right-aligns automatically.
+    // Matches the unicodeBidi: 'plaintext' pattern used by MessageTextBody.
+    unicodeBidi: 'plaintext',
     padding: `${toRem(13)} 0 0`,
     selectors: {
       [`${EditorTextareaScroll}:first-child &`]: {

src/app/components/editor/Editor.tsx

@@ -6,7 +6,7 @@ import { Node, createEditor } from 'slate';
 import type { RenderLeafProps, RenderElementProps, RenderPlaceholderProps } from 'slate-react';
 import { Slate, Editable, withReact, ReactEditor } from 'slate-react';
 import { withHistory } from 'slate-history';
-import { mobileOrTablet } from '$utils/user-agent';
+import { isPhone, mobileOrTablet } from '$utils/user-agent';
 import { BlockType } from './types';
 import { RenderElement, RenderLeaf } from './Elements';
 import type { CustomElement } from './slate';
@@ -114,6 +114,9 @@ export const CustomEditor = forwardRef<HTMLDivElement, CustomEditorProps>(
     const singleLineWidthOffsetRef = useRef(0);
     const latestValueRef = useRef<Descendant[]>(editor.children);
     const isMultilineRef = useRef(false);
+    // Tracks whether a triggerAutoCapitalize rAF is already queued to avoid stacking
+    // multiple rAFs when content changes fire rapidly (e.g. IME composition).
+    const autocapPendingRef = useRef(false);
     const [isMultiline, setIsMultiline] = useState(false);
     const [measurementVersion, setMeasurementVersion] = useState(0);
     const hasBefore = Boolean(before);
@@ -348,8 +351,29 @@ export const CustomEditor = forwardRef<HTMLDivElement, CustomEditorProps>(
       updateMultilineLayout(latestValueRef.current);
     }, [measurementVersion, updateMultilineLayout]);
 
+    // Mobile OSes (iOS and Android) do not reliably capitalise the first letter in an empty
+    // contenteditable. Both platforms render a zero-width placeholder character (\uFEFF)
+    // inside the Slate DOM node to maintain the cursor, and their keyboards interpret this
+    // as existing content — so they don't apply sentence-case to the next keystroke.
+    // Toggling the autocapitalize attribute from 'none' → 'sentences' on the focused
+    // contenteditable forces the keyboard to re-evaluate capitalisation state with no
+    // content changes, no focus shifts, and no keyboard dismissal.
+    const triggerAutoCapitalize = useCallback(() => {
+      if (!mobileOrTablet()) return;
+      if (autocapPendingRef.current) return;
+      const el = editableRef.current;
+      if (!el) return;
+      autocapPendingRef.current = true;
+      el.setAttribute('autocapitalize', 'none');
+      requestAnimationFrame(() => {
+        el.setAttribute('autocapitalize', 'sentences');
+        autocapPendingRef.current = false;
+      });
+    }, []);
+
     const handleChange = useCallback(
       (value: Descendant[]) => {
+        const prevText = latestValueRef.current.map((node) => Node.string(node)).join('');
         latestValueRef.current = value;
         measurementCacheRef.current = null;
         if (multilineMeasureFrameRef.current !== null) {
@@ -358,8 +382,15 @@ export const CustomEditor = forwardRef<HTMLDivElement, CustomEditorProps>(
         }
         setMeasurementVersion((version) => version + 1);
         onChange?.(value);
+        // After a send, content goes from non-empty to empty while the editor stays focused.
+        // Trigger the autocap attribute toggle so the next message starts capitalised.
+        // onBlur keeps focus on the editor so isFocused() is true when this fires.
+        const nextText = value.map((node) => Node.string(node)).join('');
+        if (prevText.length > 0 && nextText.length === 0 && ReactEditor.isFocused(editor)) {
+          triggerAutoCapitalize();
+        }
       },
-      [onChange]
+      [onChange, editor, triggerAutoCapitalize]
     );
 
     const renderElement = useCallback(
@@ -371,8 +402,10 @@ export const CustomEditor = forwardRef<HTMLDivElement, CustomEditorProps>(
 
     const handleKeydown: KeyboardEventHandler = useCallback(
       (evt) => {
-        // mobile ignores config option
-        if (mobileOrTablet() && evt.key === 'Enter' && !evt.shiftKey) {
+        // Phones (on-screen keyboard) ignore the enter-to-send config option.
+        // Tablets with an external keyboard should still forward Enter to onKeyDown
+        // so RoomInput can honour the enterForNewline / mod+enter settings.
+        if (isPhone() && evt.key === 'Enter' && !evt.shiftKey) {
           return;
         }
 
@@ -440,6 +473,20 @@ export const CustomEditor = forwardRef<HTMLDivElement, CustomEditorProps>(
                 onPaste={onPaste}
                 // Defer to OS capitalization setting (respects iOS sentence-case toggle).
                 autoCapitalize="sentences"
+                // Detect text direction per-message so RTL languages (Arabic, Hebrew, etc.)
+                // automatically right-align without any toggle.
+                dir="auto"
+                // Trigger autocap re-evaluation when the editor gains focus empty.
+                // This handles the initial tap-to-focus case: Slate's DOM contains a
+                // \uFEFF placeholder that the keyboard sees as existing content and so
+                // skips sentence-case. The attribute toggle forces a re-evaluation.
+                // autocapPendingRef prevents double-fire if handleChange also fires
+                // (e.g. the send clears content while focus is transferred).
+                onFocus={() => {
+                  if (mobileOrTablet() && Node.string(editor).length === 0) {
+                    triggerAutoCapitalize();
+                  }
+                }}
                 // keeps focus after pressing send.
                 onBlur={() => {
                   if (mobileOrTablet()) ReactEditor.focus(editor);

src/app/components/emoji-board/EmojiBoard.tsx

@@ -380,6 +380,8 @@ type EmojiBoardProps = {
   imagePackRooms: Room[];
   requestClose: () => void;
   returnFocusOnDeactivate?: boolean;
+  /** Controls whether the FocusTrap is active. Pass false when rendering but hiding the board. */
+  active?: boolean;
   onEmojiSelect?: (unicode: string, shortcode: string) => void;
   onCustomEmojiSelect?: (mxc: string, shortcode: string) => void;
   onStickerSelect?: (mxc: string, shortcode: string, label: string) => void;
@@ -393,6 +395,7 @@ export function EmojiBoard({
   imagePackRooms,
   requestClose,
   returnFocusOnDeactivate,
+  active = true,
   onEmojiSelect,
   onCustomEmojiSelect,
   onStickerSelect,
@@ -534,6 +537,7 @@ export function EmojiBoard({
 
   return (
     <FocusTrap
+      active={active}
       focusTrapOptions={{
         returnFocusOnDeactivate,
         initialFocus: false,

src/app/components/message/layout/layout.css.ts

@@ -231,6 +231,9 @@ export const MessageTextBody = recipe({
   base: {
     unicodeBidi: 'plaintext',
     alignSelf: 'start',
+    // Full width ensures RTL text (direction:rtl from dir=auto) has room to right-align
+    // within the flex column that contains the message body.
+    width: '100%',
     wordBreak: 'break-word',
     fontSize: '1rem !important', // Override folds Text component to enable page zoom scaling
   },

src/app/components/notification-banner/NotificationBanner.tsx

@@ -177,45 +177,9 @@ export function NotificationBanner() {
   // We store an array locally so multiple rapid notifications stack briefly.
   const [banner, setBanner] = useAtom(inAppBannerAtom);
   const [queue, setQueue] = useState<InAppBannerNotification[]>([]);
-  const containerRef = useRef<HTMLDivElement>(null);
 
   log.log('[Banner] Component render, queue length:', queue.length, 'banner:', banner);
 
-  // Adjust banner position for iOS keyboard
-  useEffect(() => {
-    // Only apply on iOS/browsers that support visualViewport
-    if (!('visualViewport' in window)) return undefined;
-
-    const updatePosition = () => {
-      const container = containerRef.current;
-      if (!container) return;
-
-      const visualViewport = window.visualViewport!;
-      // Calculate how much of the screen is covered by the keyboard
-      // When keyboard opens, visualViewport.height shrinks
-      const keyboardHeight = window.innerHeight - visualViewport.height;
-
-      // Position the banner down by the keyboard height so it appears at the top of the visible area
-      // This puts it "halfway down the page" when keyboard covers half the screen
-      if (keyboardHeight > 0) {
-        container.style.top = `${keyboardHeight}px`;
-      } else {
-        // Reset to CSS default (env(safe-area-inset-top))
-        container.style.top = '';
-      }
-    };
-
-    const visualViewport = window.visualViewport!;
-    visualViewport.addEventListener('resize', updatePosition);
-    visualViewport.addEventListener('scroll', updatePosition);
-    updatePosition(); // Initial position
-
-    return () => {
-      visualViewport.removeEventListener('resize', updatePosition);
-      visualViewport.removeEventListener('scroll', updatePosition);
-    };
-  }, []);
-
   // Push new notifications into the local queue.
   useEffect(() => {
     if (!banner) return;
@@ -247,7 +211,7 @@ export function NotificationBanner() {
 
   log.log('[Banner] Rendering', queue.length, 'banners');
   return (
-    <div ref={containerRef} className={css.BannerContainer} aria-live="polite" aria-atomic="false">
+    <div className={css.BannerContainer} aria-live="polite" aria-atomic="false">
       {queue.map((n) => (
         <BannerItem key={n.id} notification={n} onDismiss={handleDismiss} />
       ))}

src/app/components/page/Page.tsx

@@ -3,6 +3,7 @@ import { Box, Header, Line, Scroll, Text, as } from 'folds';
 import classNames from 'classnames';
 import { ContainerColor } from '$styles/ContainerColor.css';
 import { ScreenSize, useScreenSizeContext } from '$hooks/useScreenSize';
+import { mobileOrTabletLayout } from '$utils/user-agent';
 import * as css from './style.css';
 
 type PageRootProps = {
@@ -16,7 +17,7 @@ export function PageRoot({ nav, children }: PageRootProps) {
   return (
     <Box grow="Yes" className={ContainerColor({ variant: 'Background' })}>
       {nav}
-      {screenSize !== ScreenSize.Mobile && (
+      {screenSize !== ScreenSize.Mobile && !mobileOrTabletLayout() && (
         <Line variant="Background" size="300" direction="Vertical" />
       )}
       {children}

src/app/components/page/style.css.ts

@@ -60,7 +60,8 @@ export const PageNavContent = style({
   minHeight: '100%',
   padding: config.space.S200,
   paddingRight: 0,
-  paddingBottom: config.space.S700,
+  // Ensure the last nav item is always above the home indicator / Android nav bar.
+  paddingBottom: `max(${config.space.S700}, env(safe-area-inset-bottom, 0px))`,
 });
 
 export const PageHeader = recipe({

src/app/components/splash-screen/SplashScreen.css.ts

@@ -2,11 +2,16 @@ import { style } from '@vanilla-extract/css';
 import { color, config } from 'folds';
 
 export const SplashScreen = style({
-  minHeight: '100%',
+  flexGrow: 1,
   backgroundColor: color.Background.Container,
   color: color.Background.OnContainer,
 });
 
 export const SplashScreenFooter = style({
-  padding: config.space.S400,
+  paddingTop: config.space.S400,
+  paddingLeft: config.space.S400,
+  paddingRight: config.space.S400,
+  // Ensure footer clears the home indicator / Android nav bar.
+  // Falls back to S400 on devices without a bottom safe area.
+  paddingBottom: `max(${config.space.S400}, env(safe-area-inset-bottom, 0px))`,
 });