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2.1 release planning #21450
Description
I'm planning to release a small feature release early next week (possibly Mon May 11), based on commit 675b6bf. I'd like to release recent librt/mypyc changes before PyCon US -- that's why the accelerated schedule.
We can still cherry pick low-risk changes to the release branch.
Things we are still missing from the release (feel free to edit):
- Publish new version of librt
- Document
librt.random
Activity
JukkaL commentedon May 9, 2026
Cherry-pick:
ilevkivskyi commentedon May 9, 2026
It would be great to address the performance regression caused by #21262
hauntsaninja commentedon May 10, 2026
Would be good to cherry pick:
JukkaL commentedon May 10, 2026
Cherry-picked the PRs suggested by @hauntsaninja:
If we don't have a fix for the performance regression caused by #21262 by Monday, we can revert it in 2.1 and release it in 2.2.
ilevkivskyi commentedon May 10, 2026
I can make a
librtrelease later today (I am assuming everything we want to sync and release is already in mypy master).JukkaL commentedon May 10, 2026
Thanks! We have everything on master.
ilevkivskyi commentedon May 10, 2026
@JukkaL
librtversion bump is now merged and cherry-picked to the release branch.ilevkivskyi commentedon May 10, 2026
I am fine with this. cc @davidfstr
Add changelog for mypy 2.1 (#21464)
Add changelog for mypy 2.1 (#21464)
JukkaL commentedon May 11, 2026
Cherry-picks:
Revert (in release branch only):
JukkaL commentedon May 11, 2026
Mypy 2.1 is out: https://mypy-lang.blogspot.com/2026/05/mypy-21-released.html
ilevkivskyi commentedon May 21, 2026
I think we can close this now. It was a relatively small release and no regressions reported so far w.r.t. 2.0.