Deprecation of GHCi's tag generation feature, starting with GHC 9.4

Hécate hecate at glitchbra.in
Sun May 15 20:58:53 UTC 2022


Hello devs,

Last year was discussed the deprecation of GHCi's tag generation 
feature, as it had become a liability with recent additions to the 
language, like Unboxed Sums¹.

The deprecation process starts with GHC 9.4, and merge request !6325².

TL;DR: The ghc-tags tool has been elected to replace the tags feature. 
This is being documented in the "Tags" wiki page³.

You are invited to help with broadcasting this announcement to your 
fellow Haskell users.
I will post on Reddit and the Haskell Discourse but increasing the 
coverage of this will be important.

Cheers,
Hécate


¹ https://gitlab.haskell.org/ghc/ghc/-/issues/19884
² https://gitlab.haskell.org/ghc/ghc/-/merge_requests/6325
³ https://gitlab.haskell.org/ghc/ghc/-/wikis/commentary/GHCi/Tags

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Hécate ✨
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