Daemon thread pool compatibility fix for Python 3.14
Cluster 111813. Data as of
Nothing open on GitHub. Fix merged in #112209 on 16 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 #112209. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #112209. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These items address a breakage in DaemonThreadPoolExecutor._adjust_thread_count caused by a missing '_initializer' attribute in Python 3.14. The work involves updating daemon pool worker spawning to remain compatible with the changed internals.
Open issues0
Open PRs0
Fixes on record
-
#112209 fix(tools): daemon pool spawns workers on Python 3.14 (#58596, #111813, salvage #111814)
files:
contributors/emails/[redacted:email],contributors/emails/[redacted:email],tests/tools/test_daemon_pool.py,tools/daemon_pool.py
1 PR closed without merging
From the close comments: merged via another change 1
-
#111814 fix(tools): support daemon pool workers on Python 3.14 · merged via another change →
4432bcc,#112209
Closed issues · 1
- Closed#111813DaemonThreadPoolExecutor._adjust_thread_count breaks on Python 3.14 — object has no attribute '_initializer'
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
- #112209
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 16 Sep 2026