Desktop sidebar virtualized scrolling flicker fixes
Cluster 83813 · apps/desktop. Data as of
Nothing open on GitHub. Fix merged in #86589 on 15 Aug 2026. Check it covers your case.
The short answer
- Known?
- Yes. 3 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #86589. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
unresolved. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These items address flickering and instability in the desktop sidebar's virtualized session list during scrolling, including measurement-correction loops, transcript reanchoring, and a sash-blocked scrollbar issue.
Open issues0
Open PRs0
Fixes on record
-
#86589 fix(desktop): stabilize virtualized scrolling (sidebar flicker, transcript reanchor, sash-blocked scrollbar)
files:
apps/desktop/e2e/mock-server.ts,apps/desktop/e2e/task-panel-clearance.spec.ts,apps/desktop/src/app/chat/composer/status-stack/index.tsx,apps/desktop/src/app/chat/sidebar/virtual-session-list.test.tsx,apps/desktop/src/app/chat/sidebar/virtual-session-list.tsx,apps/desktop/src/components/assistant-ui/thread/list.test.ts,apps/desktop/src/components/assistant-ui/thread/list.tsx,apps/desktop/src/components/pane-shell/tree/renderer/tree-split.tsx,contributors/emails/[redacted:email]
1 PR closed without merging
From the close comments: merged via another change 1
-
#84804 fix(desktop): stabilize virtual session scrolling · merged via another change →
#86589
Closed issues · 1
- Closed#83813Desktop sidebar session list flickers while scrolling (virtualizer measurement-correction loop)
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- apps/desktop
- Merged PRs
- #86589
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 15 Aug 2026