Fix lost context after fallback compaction summary
Cluster 125019. Data as of
Nothing open on GitHub. Fix merged in #125084 on 27 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 #125084. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #125084. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These items address a bug where context captured in a fallback compaction summary is not carried forward into the next compaction cycle. The fix ensures subsequent summaries can build on fallback handoff data rather than losing it.
Open issues0
Open PRs0
Fixes on record
-
#125084 fix(compression): let the next summary build on a fallback handoff
files:
agent/context_compressor.py,tests/agent/test_context_compressor_summary_continuity.py,website/docs/developer-guide/context-compression-and-caching.md
1 PR closed without merging
From the close comments: done elsewhere 1
-
#125020 fix(compression): let the next summary build on a fallback handoff · done elsewhere →
e46d4c0,#125084
Closed issues · 1
- Closed#125019[Bug]: Context from a fallback compaction summary is lost at the next compaction
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
- #125084
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 27 Sep 2026