haskell / mtl

The Monad Transformer Library
http://www.haskell.org/haskellwiki/Monad_Transformers
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mtl-2.3-rc3 breakages due to re-exports breaks #102

Closed tchoutri closed 2 years ago

tchoutri commented 2 years ago

Hi! I am testing the rc3 on closed-source projects and I'm noticing quite a lot of breakages due to re-exports. Would it be possible to have some actionable migration data provided for the types & functions that aren't re-exported anymore?

I understand that the maintainer team wishes to reduce the number of weird accumulations over the years, but I'm afraid without any proper tool or knowledge of what to break, it's a bit hard to plan for the migration of our very large codebases.

Cheers!

andreasabel commented 2 years ago

Now one of the two weeks of testing mtl-2.3-rc3 has passed, and major breakage has been reported. What does this mean for the release plans @emilypi? Are you working on a RC4? Or are you waiting for more feedback from the community? To be frank, I have not invested time in experimenting with RC3 since there are already reports (#101), so I am expecting a RC4. It would be good maybe to dedicate an issue here for status updates on the release plan.

chessai commented 2 years ago

Resolved in ecb525a5ba3521d0059eb2396a376b2e91557cff rc4 published on github at https://github.com/haskell/mtl/tree/v2.3-rc4 rc4 published on hackage at https://hackage.haskell.org/package/mtl-2.3/candidate