Drop GHC 8.4 - Githubissues

xmonad / xmonad-contrib

Contributed modules for xmonad

https://xmonad.org

BSD 3-Clause "New" or "Revised" License

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Drop GHC 8.4 #778

Closed slotThe closed 1 year ago

slotThe commented 1 year ago

Description

Now that Debian has 8.6, it's time to drop 8.4.

Contrib version of https://github.com/xmonad/xmonad/pull/430

Commit Summary

0f69215f ci: Update to GHC 9.2.5

A new stackage LTS is out with GHC 9.2.5, so test for this.
Update the haskell-ci jobs accordingly from 9.2.4.

Many instance declarations can now be derived either by DerivingVia or GeneralizedNewtypeDeriving.

30d35948 ci: Drop support for GHC 8.4

Debian stable is not on 8.6, which was always our guide as to which GHC versions we want to support.

e744b643 Simplify instance declarations

b193fe8d stack: Bump resolver to lts-20.0

Checklist

[x] I've read CONTRIBUTING.md
[x] I've considered how to best test these changes (property, unit, manually, ...) and concluded: compiles :)
[x] I updated the CHANGES.md file

liskin commented 1 year ago

30d35948148d369be12634255b3d079d7ca8031b's commit message has a typo ("not" instead of "now") and also isn't true—Debian stable has 8.8, it's Ubuntu 20.04 that only has 8.6.