Mypy 0.990 Release Planning

[svalentin]

I am planning to make a 0.990 release around late October.

Please post here any issues you'd like to see fixed in the release, or PRs you'd like to have merged. There is no release branch yet - I will update the issue once it exists.

[hauntsaninja]

Possible things to fix:

• Type Narrowing failure in 0.981 #13800
• no-redef when import-importing a module to satisfy a protocol #13803
• Inconsistent errors reported for protocol matching #13850
• Add a note on variable annotation within unchecked function #13851 (comment)
• Tests fail due to failing compilation of int_ops.c #13819
• mypy 0.982 run 15 minutes (previous version needs only one minute) #13821

[cdce8p]

It would be awesome if these PRs could be included. The first one is already approved

• Add error-code for truthy-function #13686
• Add error-code for truthy-iterable #13762

[ilevkivskyi]

@sobolevn IIUC you are working on LiteralString, right? Will you have time to finish it in time for 0.990?

[sobolevn]

Yes, I will :)

[svalentin]

How are we doing on the potential things to fix for next release list? Do all of them have someone working on them?
I'm thinking of cutting a release branch tomorrow. (We can of course add more stuff after)

[svalentin]

Sorry got carried away. Will make the release branch today!
Looking to release this around Tuesday unless there's any pressing issues.

[svalentin]

Created origin/release-0.990 at ec6d9d9

[hauntsaninja]

Cherry picked 2d70ac0 (useful for typeshed, no user visible changes)

[hauntsaninja]

Cherry picked 5319fa3 (likely addresses performance regression in #13821, no mypy_primer hits, maybe should be solved within mypy rather than in typeshed)

[hauntsaninja]

I think it would be very good (but not necessarily blocking) to get in #13892 cc @JukkaL @sobolevn

False negatives related to #13890 / #13472 show up pretty often (e.g. we just got another report in #13966, where things would silently not work)

Edit: I've now merged this in and cherry picked to release branch

[sobolevn]

Yes, reporing invalid ParamSpec usage seems quite important.