[ghc-steering-committee] Please consider GHC Proposal #575 for acceptance.

[Moritz Angermann]

Dear Steering Committee,

I strongly endorse GHC Proposal #575
<https://github.com/ghc-proposals/ghc-proposals/pull/575>, which suggests
the introduction of deprecation pragmas on instances.

The proposal is a logical extension of Haskell's existing deprecation
facilities. Its implementation would fill a notable gap in the language's
current deprecation capabilities.

The lack of instance deprecation hinders controlled evolution of libraries
and codebases, often leading to unexpected changes for users. By allowing
instance deprecation, we can enhance the stability and predictability of
Haskell codebases and improve the user experience.

In summary, Proposal #575 represents a valuable improvement for Haskell. I
urge the committee to give it favorable consideration.

Best Regards, Moritz
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