Repetition detection bugs and streaming guard fixes
Cluster 100716 · agent. Data as of
1 open item. Fix merged in #121600 on 24 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 #121600. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #121600. That is separate from the fix event. - Still open
- 0 issues and 1 PR.
These items address flaws in repetition-loop detection logic—including missed cases, wrong trigger paths, and completed responses flooding chats—and add or improve a streaming repetition guard. The work spans both detection correctness and coverage across completion paths.
Open issues0
Open PRs1
- PR#100729fix(agent): stop completed responses from flooding chats with repeated text
Fixes on record
-
#121600 fix(agent): repetition guard catches real loops on every completion path; reject degenerate dropped-stream tool args
files:
agent/chat_completion_helpers.py,agent/repetition_guard.py,agent/turn_final_response.py,agent/turn_truncation.py,tests/agent/test_continuation_repetition_guard.py,tests/agent/test_repeated_dropped_tool_args.py,tests/agent/test_repetition_guard.py
1 PR closed without merging
From the close comments: superseded by another PR 1
-
#89294 feat: streaming repetition guard — detect degenerate output on the fly · superseded by another PR →
9e2444e,#121600,#100716
Closed issues · 1
- Closed#100716[Bug]: is_repetition_dominated misses almost every real repetition loop, and only runs on the finish_reason=length path
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
- Subsystem
- agent
- Merged PRs
- #121600
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 24 Sep 2026