diff --git a/src/components/EmojiPicker/index.tsx b/src/components/EmojiPicker/index.tsx
index eebef265..8fb28a5b 100644
--- a/src/components/EmojiPicker/index.tsx
+++ b/src/components/EmojiPicker/index.tsx
@@ -59,6 +59,9 @@ export default function EmojiPicker({
       }
 
       picker.style.width = '100%'
+      picker.style.height = 'min(350px, 50dvh)'
+      picker.style.minHeight = '280px'
+      picker.style.display = 'block'
       picker.style.setProperty('--num-columns', '8')
 
       const handleClick = (e: Event) => {
@@ -188,7 +191,10 @@ export default function EmojiPicker({
   return (
     <div className="flex w-full min-w-0 flex-col">
       {ownEmojisRow}
-      <div ref={containerRef} className="min-h-0 w-full flex-1 overflow-hidden" />
+      <div
+        ref={containerRef}
+        className="h-[min(350px,50dvh)] min-h-[280px] w-full shrink-0 overflow-hidden"
+      />
     </div>
   )
 }
diff --git a/src/components/EmojiPickerDialog/index.tsx b/src/components/EmojiPickerDialog/index.tsx
index b5339155..184b2e4b 100644
--- a/src/components/EmojiPickerDialog/index.tsx
+++ b/src/components/EmojiPickerDialog/index.tsx
@@ -60,7 +60,7 @@ export default function EmojiPickerDialog({
       <DropdownMenuTrigger asChild>{children}</DropdownMenuTrigger>
       <DropdownMenuContent
         side="top"
-        className="p-0 w-[min(100vw-1rem,350px)] max-w-[calc(100vw-1rem)] overflow-hidden"
+        className="p-0 w-[min(100vw-1rem,350px)] max-w-[calc(100vw-1rem)] overflow-hidden flex flex-col"
         portalContainer={portalContainer}
       >
         <EmojiPicker
diff --git a/src/components/PostEditor/PostContent.tsx b/src/components/PostEditor/PostContent.tsx
index 7b463987..78aa4598 100644
--- a/src/components/PostEditor/PostContent.tsx
+++ b/src/components/PostEditor/PostContent.tsx
@@ -767,7 +767,15 @@ export default function PostContent({
     const wasOpen = prevComposerShellOpenRef.current
     prevComposerShellOpenRef.current = open
     if (!wasOpen && open && !advancedLabOpenRef.current) {
-      textareaRef.current?.syncFromPostCache()
+      // TipTap mounts async (immediatelyRender: false); retry after the editor exists.
+      const sync = () => textareaRef.current?.syncFromPostCache()
+      sync()
+      const raf = requestAnimationFrame(sync)
+      const tmr = window.setTimeout(sync, 0)
+      return () => {
+        cancelAnimationFrame(raf)
+        window.clearTimeout(tmr)
+      }
     }
   }, [open, getDeterminedKind, defaultContent, parentEvent])
 
diff --git a/src/components/PostEditor/PostTextarea/index.tsx b/src/components/PostEditor/PostTextarea/index.tsx
index 933ef541..59dd0b66 100644
--- a/src/components/PostEditor/PostTextarea/index.tsx
+++ b/src/components/PostEditor/PostTextarea/index.tsx
@@ -131,36 +131,40 @@ const PostTextarea = forwardRef<
     onUploadCompressPhaseRef.current = onUploadCompressPhase
     const onUploadCompressProgressRef = useRef(onUploadCompressProgress)
     onUploadCompressProgressRef.current = onUploadCompressProgress
+    const onUploadStartRef = useRef(onUploadStart)
+    onUploadStartRef.current = onUploadStart
+    const onUploadEndRef = useRef(onUploadEnd)
+    onUploadEndRef.current = onUploadEnd
+    const onUploadProgressRef = useRef(onUploadProgress)
+    onUploadProgressRef.current = onUploadProgress
+    const onSubmitRef = useRef(onSubmit)
+    onSubmitRef.current = onSubmit
     const [activeTab, setActiveTab] = useState('edit')
     const editorRef = useRef<Editor | null>(null)
 
     const kindDescription = useMemo(() => getKindDescription(kind), [kind])
 
-    const editor = useEditor({
-      // TipTap + Radix Dialog/Tabs: defer init so React 18 does not warn about flushSync in a lifecycle.
-      immediatelyRender: false,
-      extensions: [
+    const placeholderText = useMemo(
+      () => t('Write something...') + ' (' + t('Paste or drop media files to upload') + ')',
+      [t]
+    )
+
+    // Extension instances must be stable — recreating them each render makes useEditor destroy/recreate
+    // the editor (blank composer in reply dialog).
+    const extensions = useMemo(
+      () => [
         Document,
         Paragraph,
         Text,
         History,
         HardBreak,
-        Placeholder.configure({
-          placeholder:
-            t('Write something...') + ' (' + t('Paste or drop media files to upload') + ')'
-        }),
-        Emoji.configure({
-          suggestion: emojiSuggestion
-        }),
-        Mention.configure({
-          suggestion: mentionSuggestion
-        }),
+        Placeholder.configure({ placeholder: placeholderText }),
+        Emoji.configure({ suggestion: emojiSuggestion }),
+        Mention.configure({ suggestion: mentionSuggestion }),
         ClipboardAndDropHandler.configure({
-          onUploadStart: (file, cancel) => {
-            onUploadStart?.(file, cancel)
-          },
-          onUploadEnd: (file) => onUploadEnd?.(file),
-          onUploadProgress: (file, p) => onUploadProgress?.(file, p),
+          onUploadStart: (file, cancel) => onUploadStartRef.current?.(file, cancel),
+          onUploadEnd: (file) => onUploadEndRef.current?.(file),
+          onUploadProgress: (file, p) => onUploadProgressRef.current?.(file, p),
           onUploadSuccess: (result) => onUploadSuccessRef.current?.(result),
           onUploadCompressPhase: (file, phase) =>
             onUploadCompressPhaseRef.current?.(file, phase),
@@ -168,18 +172,30 @@ const PostTextarea = forwardRef<
             onUploadCompressProgressRef.current?.(file, pct)
         })
       ],
+      [placeholderText]
+    )
+
+    const editorSurfaceClass = useMemo(
+      () =>
+        cn(
+          'border rounded-lg p-3 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring',
+          className
+        ),
+      [className]
+    )
+
+    const editor = useEditor({
+      // TipTap + Radix Dialog/Tabs: defer init so React 18 does not warn about flushSync in a lifecycle.
+      immediatelyRender: false,
+      extensions,
       editorProps: {
         attributes: {
-          class: cn(
-            'border rounded-lg p-3 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring',
-            className
-          )
+          class: editorSurfaceClass
         },
         handleKeyDown: (_view, event) => {
-          // Handle Ctrl+Enter or Cmd+Enter for submit
           if ((event.ctrlKey || event.metaKey) && event.key === 'Enter') {
             event.preventDefault()
-            onSubmit?.()
+            onSubmitRef.current?.()
             return true
           }
           return false
@@ -200,6 +216,16 @@ const PostTextarea = forwardRef<
 
     editorRef.current = editor
 
+    useEffect(() => {
+      if (!editor) return
+      editor.setOptions({
+        editorProps: {
+          ...editor.options.editorProps,
+          attributes: { class: editorSurfaceClass }
+        }
+      })
+    }, [editor, editorSurfaceClass])
+
     useEffect(() => {
       if (!editor || !isSmallScreen) return
       const scrollEditorIntoView = () => {
@@ -295,9 +321,10 @@ const PostTextarea = forwardRef<
       }
     }))
 
-    if (!editor) {
-      return null
-    }
+    const editorShellClass = cn(
+      'border rounded-lg p-3 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring',
+      className
+    )
 
     return (
       <Tabs value={activeTab} onValueChange={setActiveTab} className="space-y-2">
@@ -321,7 +348,16 @@ const PostTextarea = forwardRef<
           forceMount
           className="mt-0 data-[state=inactive]:hidden focus-visible:ring-0 focus-visible:ring-offset-0"
         >
-          <EditorContent className="tiptap" editor={editor} />
+          {editor ? (
+            <EditorContent className="tiptap" editor={editor} />
+          ) : (
+            <div
+              className={cn(editorShellClass, 'text-muted-foreground')}
+              aria-hidden
+            >
+              {placeholderText}
+            </div>
+          )}
         </TabsContent>
         <TabsContent
           value="preview"
diff --git a/src/components/PostEditor/index.tsx b/src/components/PostEditor/index.tsx
index eb1b748b..0b7874c7 100644
--- a/src/components/PostEditor/index.tsx
+++ b/src/components/PostEditor/index.tsx
@@ -144,7 +144,10 @@ export default function PostEditor({
           }
         }}
       >
-        <ScrollArea className="px-4 h-full max-h-screen min-w-0" scrollBarClassName="opacity-100">
+        <ScrollArea
+          className="px-4 max-h-[min(90dvh,900px)] min-w-0"
+          scrollBarClassName="opacity-100"
+        >
           <div className="space-y-4 px-2 pr-4 py-6 min-w-0">
             <DialogHeader className="sr-only">
               <DialogTitle>Post Editor</DialogTitle>
diff --git a/src/constants.ts b/src/constants.ts
index 46114638..7066edad 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -504,6 +504,7 @@ export const SOCIAL_KIND_BLOCKED_RELAY_URLS = [
   'wss://relay.wikifreedia.xyz',
   'wss://relay.gifbuddy.lol',
   'wss://hist.nostr.land',
+  'wss://essayist.decentnewsroom.com'
 ]
 
 // Optimized relay list for read operations