Context compression state pollution from interrupted passes
Cluster 45535 · agent. Data as of
1 open item. Fix merged in #70246 on 23 Jul 2026. Check it covers your case.
The short answer
- Known?
- Yes. 6 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #70246. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
partially resolved, deciding PR #70246. That is separate from the fix event. - Still open
- 1 issue and 0 PRs.
Next step: read #70246, then check whether your report is the one still open.
Read #70246Pick up a Lab taskThe members all concern context compression behaving incorrectly when a pass is interrupted, with titles describing state or display-token seed pollution, anti-thrashing counts, and amplified costs. Several are fixes or follow-ups to earlier items (#54805, #45535), but the titles alone do not show the outcome of any of them.
Open issues1
- Issue#45535Context Compression Amplification Bug — Interruption Pollution Causes Double Costs
Open PRs0
Fixes on record
-
#70246 fix(compression): roll back interrupted preflight display-token seed (salvage of #54805)
files:
agent/context_compressor.py,agent/conversation_loop.py,agent/turn_context.py,agent/turn_finalizer.py,tests/run_agent/test_413_compression.py
3 PRs closed without merging
From the close comments: merged via another change 1 · partial fix 1 · superseded by another PR 1
-
#45539 Fix compression amplification from interruption pollution · partial fix →
#45535 -
#54799 fix(context_compression): exclude interrupted passes from anti-thrashing · superseded by another PR →
2c6e587,7f94857 -
#54805 fix(context_compression): roll back interrupted preflight state pollution · merged via another change →
#70246
Closed issues · 1
- Closed#54776Context Compression Amplification Bug — Interruption Pollution (#45535 follow-up)
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
0.36: 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
- agent
- Merged PRs
- #70246
- Closed issues
- 1
- Attempts
- 3 PRs closed without merging
- Fix link checked
- 23 Jul 2026