Streamed reasoning_content missing or dropped in agent
Cluster 110783. Data as of
Nothing open on GitHub. Fix merged in #115800 on 19 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 #115800. 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 reasoning_content arriving in delta.model_extra during streaming is not preserved in persisted messages or agent handling. Related fixes address preventing such streams from being treated as empty or losing the reasoning content.
Open issues0
Open PRs0
Fixes on record
-
#115800 fix(agent): reasoning-only streams carrying reasoning in delta.model_extra no longer fail as an empty stream (#56516, salvage #56789)
files:
agent/auxiliary_client.py,agent/chat_completion_helpers.py,contributors/emails/[redacted:email],tests/agent/test_aux_progress_streaming.py,tests/agent/test_run_agent.py
1 PR closed without merging
From the close comments: done elsewhere 1
-
#110816 fix(agent): keep streamed reasoning_content from delta model_extra · done elsewhere →
#115800
Closed issues · 1
- Closed#110783reasoning_content missing from persisted messages via zai/glm-5.3-flash (streaming) — works via direct API
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
- #115800
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 19 Sep 2026