diff --git a/package.json b/package.json
index e933903..43c675d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jank",
-  "version": "26.15.0",
+  "version": "26.15.1",
   "description": "A TweetDeck-style multi-column deck for Nostr — just another nostr klient",
   "type": "module",
   "author": "DocNR",
diff --git a/src/components/Collapsible/index.tsx b/src/components/Collapsible/index.tsx
index 05321e0..0df6568 100644
--- a/src/components/Collapsible/index.tsx
+++ b/src/components/Collapsible/index.tsx
@@ -60,7 +60,7 @@ export default function Collapsible({
         <div className="to-background/90 absolute bottom-0 z-10 flex h-40 w-full items-end justify-center bg-linear-to-b from-transparent pb-4">
           <div className="bg-background rounded-lg">
             <Button
-              className="bg-foreground hover:bg-foreground/80"
+              className="bg-foreground text-background hover:bg-foreground/80"
               onClick={(e) => {
                 e.stopPropagation()
                 setExpanded(!expanded)
diff --git a/src/components/NoteList/index.tsx b/src/components/NoteList/index.tsx
index a41137d..a624b7f 100644
--- a/src/components/NoteList/index.tsx
+++ b/src/components/NoteList/index.tsx
@@ -1,6 +1,7 @@
 import NewNotesButton from '@/components/NewNotesButton'
 import { Button } from '@/components/ui/button'
 import { FUTURE_EVENT_TOLERANCE_SECONDS, NOTIFICATION_LIST_STYLE } from '@/constants'
+import { useAnyPostEditorOpen } from '@/hooks/useAnyPostEditorOpen'
 import { useColumnVisible } from '@/hooks/useColumnVisible'
 import { useInfiniteScroll } from '@/hooks/useInfiniteScroll'
 import { isInMutedThread, isMentioningMutedUsers } from '@/lib/event'
@@ -170,6 +171,13 @@ const NoteList = forwardRef<
     }, [events, newEvents])
     const showNewNotesDirectlyRef = useRef(showNewNotesDirectly)
     showNewNotesDirectlyRef.current = showNewNotesDirectly
+    // While a composer is open, the live-arrival handler must not mutate or
+    // scroll the rendered timeline (it would unmount the NoteCard row that owns
+    // an open reply dialog and close it). Read via a ref so the subscription
+    // effect's closure sees the current value without resubscribing.
+    const anyComposerOpen = useAnyPostEditorOpen()
+    const composerOpenRef = useRef(anyComposerOpen)
+    composerOpenRef.current = anyComposerOpen
     const scrollContainerRef = useScrollContainer()
 
     const pinnedEventHexIdSet = useMemo(() => {
@@ -420,6 +428,16 @@ const NoteList = forwardRef<
         )
 
         const handleNewEvents = (newEvents: Event[]) => {
+          // A composer is open somewhere: never disturb the rendered timeline.
+          // Prepending (and the scrollToTop below) re-lays out the virtual list
+          // and can unmount the row that owns an open reply dialog, closing it
+          // out from under the user. Buffer into the "new notes" pill instead;
+          // it's revealed when they finish composing. Overrides
+          // showNewNotesDirectly too — the steadiness matters more here.
+          if (composerOpenRef.current) {
+            setNewEvents((oldEvents) => mergeTimelines([newEvents, oldEvents]))
+            return
+          }
           if (showNewNotesDirectlyRef.current) {
             setEvents((oldEvents) => mergeTimelines([newEvents, oldEvents]))
           } else {
diff --git a/src/components/PostEditor/LazyPostEditor.tsx b/src/components/PostEditor/LazyPostEditor.tsx
index 2a0abb4..68d2096 100644
--- a/src/components/PostEditor/LazyPostEditor.tsx
+++ b/src/components/PostEditor/LazyPostEditor.tsx
@@ -1,3 +1,4 @@
+import postEditor from '@/services/post-editor.service'
 import { ComponentProps, lazy, Suspense, useEffect, useState } from 'react'
 
 const PostEditor = lazy(() => import('./index'))
@@ -20,6 +21,17 @@ export default function LazyPostEditor(props: ComponentProps<typeof PostEditor>)
     if (props.open) setMounted(true)
   }, [props.open])
 
+  // Tell feeds a composer is open so they hold their timeline steady (see
+  // post-editor.service `openCount`). Registered here rather than inside the
+  // lazy PostEditor so it fires the moment `open` flips true — before the
+  // Suspense chunk resolves — closing the race where a live note arrives
+  // during first-compose chunk load and churns the row that owns this dialog.
+  useEffect(() => {
+    if (!props.open) return
+    postEditor.registerOpen()
+    return () => postEditor.unregisterOpen()
+  }, [props.open])
+
   if (!mounted) return null
 
   // Fallback is null: the editor is a modal/sheet that owns its own backdrop,
diff --git a/src/hooks/useAnyPostEditorOpen.ts b/src/hooks/useAnyPostEditorOpen.ts
new file mode 100644
index 0000000..6127b67
--- /dev/null
+++ b/src/hooks/useAnyPostEditorOpen.ts
@@ -0,0 +1,18 @@
+import postEditor from '@/services/post-editor.service'
+import { useSyncExternalStore } from 'react'
+
+/**
+ * True while any composer dialog/sheet is open anywhere in the app. Feeds use
+ * this to keep their virtualized timeline steady while the user is composing —
+ * see post-editor.service `openCount` for the why (a re-laid-out feed can
+ * unmount the NoteCard row that owns an open reply dialog).
+ */
+export function useAnyPostEditorOpen() {
+  return useSyncExternalStore(
+    (onChange) => {
+      postEditor.addEventListener('openStateChange', onChange)
+      return () => postEditor.removeEventListener('openStateChange', onChange)
+    },
+    () => postEditor.isAnyOpen
+  )
+}
diff --git a/src/release-notes.ts b/src/release-notes.ts
index 1deb0c7..64a26c8 100644
--- a/src/release-notes.ts
+++ b/src/release-notes.ts
@@ -14,6 +14,14 @@ export type ReleaseNote = {
 }
 
 export const RELEASE_NOTES: ReleaseNote[] = [
+  {
+    version: '26.15.1',
+    date: '2026-06-16',
+    highlights: [
+      'Replying is no longer interrupted by a busy feed. When new notes arrive while you are writing a reply, the compose box stays open instead of occasionally closing on you; the new notes wait in the "show new notes" pill until you are done.',
+      'Fixed the "Show more" button on long notes showing up with hard-to-read, low-contrast text in light mode.'
+    ]
+  },
   {
     version: '26.15.0',
     date: '2026-06-16',
diff --git a/src/services/post-editor.service.spec.ts b/src/services/post-editor.service.spec.ts
new file mode 100644
index 0000000..21b5c28
--- /dev/null
+++ b/src/services/post-editor.service.spec.ts
@@ -0,0 +1,56 @@
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import postEditor from './post-editor.service'
+
+// post-editor.service is a shared singleton; drain any open count between tests
+// so leaked state from one case can't bleed into the next.
+afterEach(() => {
+  while (postEditor.isAnyOpen) {
+    postEditor.unregisterOpen()
+  }
+})
+
+describe('post-editor.service open tracking', () => {
+  it('starts closed', () => {
+    expect(postEditor.isAnyOpen).toBe(false)
+  })
+
+  it('reports open after a register', () => {
+    postEditor.registerOpen()
+    expect(postEditor.isAnyOpen).toBe(true)
+  })
+
+  it('refcounts nested opens — stays open until the last close', () => {
+    postEditor.registerOpen()
+    postEditor.registerOpen()
+    expect(postEditor.isAnyOpen).toBe(true)
+
+    postEditor.unregisterOpen()
+    expect(postEditor.isAnyOpen).toBe(true) // one composer still open
+
+    postEditor.unregisterOpen()
+    expect(postEditor.isAnyOpen).toBe(false)
+  })
+
+  it('never underflows below closed', () => {
+    postEditor.unregisterOpen()
+    postEditor.unregisterOpen()
+    expect(postEditor.isAnyOpen).toBe(false)
+  })
+
+  it('fires openStateChange only on the closed<->open boundary', () => {
+    const onChange = vi.fn()
+    postEditor.addEventListener('openStateChange', onChange)
+
+    postEditor.registerOpen() // closed -> open: fires
+    postEditor.registerOpen() // open -> still open: no fire
+    expect(onChange).toHaveBeenCalledTimes(1)
+
+    postEditor.unregisterOpen() // still open: no fire
+    expect(onChange).toHaveBeenCalledTimes(1)
+
+    postEditor.unregisterOpen() // open -> closed: fires
+    expect(onChange).toHaveBeenCalledTimes(2)
+
+    postEditor.removeEventListener('openStateChange', onChange)
+  })
+})
diff --git a/src/services/post-editor.service.ts b/src/services/post-editor.service.ts
index 607b6a3..469490a 100644
--- a/src/services/post-editor.service.ts
+++ b/src/services/post-editor.service.ts
@@ -3,6 +3,16 @@ class PostEditorService extends EventTarget {
 
   isSuggestionPopupOpen = false
 
+  // Number of composer dialogs/sheets currently open across the whole app.
+  // Reply composers live INSIDE virtualized NoteCard rows, so anything that
+  // re-lays out or scrolls a feed (e.g. NoteList auto-prepending a live
+  // arrival + scrollToTop) can unmount the owning row and close the dialog out
+  // from under the user. Feeds read `isAnyOpen` to hold the timeline steady
+  // while a composer is open, buffering arrivals into the "new notes" pill
+  // instead. Refcounted because multiple composers can be mounted at once
+  // (per-column reply buttons, top-level compose, quote-repost).
+  private openCount = 0
+
   constructor() {
     super()
     if (!PostEditorService.instance) {
@@ -11,6 +21,26 @@ class PostEditorService extends EventTarget {
     return PostEditorService.instance
   }
 
+  get isAnyOpen() {
+    return this.openCount > 0
+  }
+
+  registerOpen() {
+    this.openCount += 1
+    // Only the closed -> open boundary changes what consumers see.
+    if (this.openCount === 1) {
+      this.dispatchEvent(new CustomEvent('openStateChange'))
+    }
+  }
+
+  unregisterOpen() {
+    if (this.openCount === 0) return
+    this.openCount -= 1
+    if (this.openCount === 0) {
+      this.dispatchEvent(new CustomEvent('openStateChange'))
+    }
+  }
+
   closeSuggestionPopup() {
     if (this.isSuggestionPopupOpen) {
       this.isSuggestionPopupOpen = false