diff --git a/libraries/base/changelog.md b/libraries/base/changelog.md index 4ecba619ba424d7f56463df3789363edb6a39167..9daeaff8ab9b5133ece1427159323d038d98ef35 100644 --- a/libraries/base/changelog.md +++ b/libraries/base/changelog.md @@ -26,6 +26,7 @@ which provides a mechanism for custom type errors that reports the errors in a more predictable behaviour than `TypeError`. * Make `(&)` representation polymorphic in the return type ([CLC proposal #158](https://github.com/haskell/core-libraries-committee/issues/158)) + * Implement `GHC.IORef.atomicSwapIORef` via a new dedicated primop `atomicSwapMutVar#` ([CLC proposal #139](https://github.com/haskell/core-libraries-committee/issues/139)) ## 4.18.0.0 *March 2023* * Shipped with GHC 9.6.1