🚩🐍🚩 Last minute change of plan due to a release blocker:
Python 3.13.0 final will not come out on Tuesday, instead we'll have a third release candidate on Monday (30 Sept), and the final release the following Monday (7th Oct).
Details:
https://discuss.python.org/t/incremental-gc-and-pushing-back-the-3-13-0-release/65285
Incremental GC and pushing back the 3.13.0 release
I’m a little [1] concerned with the impact of the incremental GC change in 3.13, which recently showed up (Incremental GC means that Sphinx is significantly slower in 3.13 than in 3.12 · Issue #124567 · python/cpython · GitHub). It’s not clear that the incremental GC provides significant improvements (although the smaller pauses are probably desirable), it clearly has slightly more overhead in common cases, and we’re still discovering pathological cases. I don’t think we should release 3.13.0 wi...