# NousResearch/hermes-agent · UI freeze and compression hang fix for over-window sessions

## Open now

- Nothing open on GitHub.

These items concern a bug where context compression stalls on sessions exceeding the context window, causing the Desktop UI to freeze and the renderer to be killed. The associated fixes address the stall behavior and timeout logic for such sessions.

## 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 #117084. Verify it addresses your case.
- **Recommended:** read PR #117084 (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: `unresolved`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #116472: Desktop UI freezes 15-20 min and renderer is SIGKILLed while context compression stalls on an over-window session

## Prior & competing PRs

- **#117084: fix(compression): an over-window session that cannot shrink ends the turn with /new guidance and waits one idle budget, not the 600 s ceiling (#116472, slim redo of #116592)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/conversation_compression.py`, `agent/turn_context.py`, `agent/turn_context_compaction.py`, `tests/agent/test_over_window_compression_fail_closed.py`, `tests/agent/test_turn_context_overflow_warning.py`, `website/docs/user-guide/configuration.md`
- **#116592: fix(compression): stop an over-window session freezing the Desktop UI…**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `1f8db424870c`, `#117084`, `#116472`, `#116592`

## Fix status

- Merged to main in PR #117084 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-20`.