[Haskell-cafe] [Haskell] [ANNOUNCE] GHC 8.10.5 released

Zubin Duggal zubin at well-typed.com
Sun Jun 6 00:15:41 UTC 2021

The GHC team is very pleased to announce the availability of GHC
8.10.5. Source and binary distributions are available at the [usual

This release adds native ARM/Darwin support, as well as bringing
performance improvements and fixing numerous bugs of varying severity
present in the 8.10 series:

- First-class support for Apple M1 hardware using GHC's LLVM ARM backend

- Fix a bug resulting in segmentation faults where code may be unloaded
prematurely when using the parallel garbage collector (#19417) along
with other bugs in the GC and linker (#19147, #19287)

- Improve code layout fixing certain performance regressions (#18053)
and other code generation bug fixes (#19645)

- Bug fixes for signal handling when using the pthread itimer

- Improvements to the specializer and simplifier reducing code size and
and memory usage (#17151, #18923,#18140, #10421, #18282, #13253).

- Fix a bug where typechecker plugins could be run with an inconsistent
typechecker environment (#19191).

- Fix a simplifier bug which lead to an exponential blow up and
excessive memory usage in certain cases

A complete list of bug fixes and improvements
can be found in the release notes: [release

As always, feel free to report any issues you encounter via

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