Strip unsupported cache retention param at wire boundary
Cluster 89897 · agent. Data as of
Nothing open on GitHub. Fix merged in #90243 on 19 Aug 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 #90243. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #90243. That is separate from the fix event. - Still open
- Nothing open on GitHub.
A bug was identified where prompt_cache_retention was being sent to models that do not support it. These issues and PRs address stripping that parameter at the wire boundary in the Codex tool.
Open issues0
Open PRs0
Fixes on record
-
#90243 fix(codex): strip unsupported cache retention at the consumer Codex wire (salvages #89969)
files:
agent/codex_runtime.py,contributors/emails/[redacted:email],tests/agent/test_relay_llm.py,tests/run_agent/test_run_agent_codex_responses.py
2 PRs closed without merging
From the close comments: merged via another change 2
Closed issues · 1
- Closed#89897[Bug]: Codex tool follow-ups can send unsupported prompt_cache_retention to gpt-5.6-sol
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
- #90243
- Closed issues
- 1
- Attempts
- 2 PRs closed without merging
- Fix link checked
- 19 Aug 2026