# NousResearch/hermes-agent · Sidebar wheel scroll dead-zone bug and fixes

## Open now

- Nothing open on GitHub.

A bug where mouse-wheel scrolling stalls in the desktop sidebar when session lists exceed roughly 25 items, plus related fix attempts targeting that dead-zone and TUI scrollbar stability.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #86758. Verify it addresses your case.
- **Recommended:** read PR #86758 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-86758`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Closed / duplicate issues

- #84964: \[Bug\]: Desktop sidebar wheel scrolling stalls mid-list at 25+ sessions (dead-zone); scrollbar drag still works

## Prior & competing PRs

- **#86758: fix(ui): steady TUI scrollbar after shrink + sidebar wheel dead-zone at 25+ sessions**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `apps/desktop/src/app/chat/sidebar/virtual-session-list.test.tsx`, `apps/desktop/src/app/chat/sidebar/virtual-session-list.tsx`, `ui-tui/src/__tests__/viewportStore.test.ts`, `ui-tui/src/lib/viewportStore.ts`
- **#85593: fix(desktop): stop sidebar wheel dead-zone on long session lists**. closed without merge
  - maintainer direction: category `duplicate_of`; implication `duplicate`; refs `#62529`

## Fix status

- Merged to main in PR #86758 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-15`.
- Subsystem: `apps/desktop`