Fix tool-call JSON canonicalization in max-iteration summaries
Cluster 123002. Data as of
Nothing open on GitHub. Fix merged in #124157 on 26 Sep 2026. Check it covers your case.
The short answer
- Known?
- Yes. 4 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #124157. 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 issues and PRs address a bug where max-iteration summary messages skip tool-call JSON canonicalization, causing prefix cache misses and expensive token re-prefills. The fixes align summary message normalization with the standard send path.
Open issues0
Open PRs0
Fixes on record
-
#124157 fix(agent): normalize max-iteration summary messages like the send path
files:
agent/chat_completion_helpers.py,contributors/emails/[redacted:email],contributors/emails/[redacted:email],tests/agent/test_iteration_summary_reasoning_details.py
2 PRs closed without merging
From the close comments: superseded by another PR 2
Closed issues · 1
- Closed#123002Max-iteration summary skips tool-call canonicalization, so local prefix caches miss the whole prompt (555k-token re-prefill)
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
0.50: 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
- #124157
- Closed issues
- 1
- Attempts
- 2 PRs closed without merging
- Fix link checked
- 26 Sep 2026