Dear committee, In #632, I propose amending the GHC2024 proposal to specify that the default language used by ghc/ghci when run directly will remain GHC2021 for now, since changing to GHC2024 is not backwards compatible. (This does not affect Cabal packages either way, since Cabal specifies its own default.) https://github.com/ghc-proposals/ghc-proposals/pull/632 https://github.com/adamgundry/ghc-proposals/blob/ghc2024-amendment/proposals... On the discussion thread, some people expressed a preference that GHC should default to the latest language edition anyway. There is also Richard's suggestion of wider changes of approach in #636. However, given that the GHC 9.10 fork date is fast approaching, introducing GHC2024 but not making it the default seems like the best short-term solution to me. We can always reassess our approach to this for future releases as part of the wider discussion. If you object to the proposed approach, please speak up ASAP. Otherwise I plan to merge in a week or so. Cheers, Adam -- Adam Gundry, Haskell Consultant Well-Typed LLP, https://www.well-typed.com/ Registered in England & Wales, OC335890 27 Old Gloucester Street, London WC1N 3AX, England