UI freeze and compression hang fix for over-window sessions
Cluster 116472. Data as of
Nothing open on GitHub. Fix merged in #117084 on 20 Sep 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 #117084. 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 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.
Open issues0
Open PRs0
Fixes on record
-
#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)
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
1 PR closed without merging
From the close comments: done elsewhere 1
-
#116592 fix(compression): stop an over-window session freezing the Desktop UI… · done elsewhere →
1f8db42,#117084,#116472,#116592
Closed issues · 1
- Closed#116472Desktop UI freezes 15-20 min and renderer is SIGKILLed while context compression stalls on an over-window session
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
- Merged PRs
- #117084
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 20 Sep 2026