[ANNOUNCE] GHC 8.8.1 release candidate 1 is now available

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[ANNOUNCE] GHC 8.8.1 release candidate 1 is now available

Ben Gamari-3
Hello everyone,

The GHC team is pleased to announce the release candidate for GHC 8.8.1.
The source distribution, binary distributions, and documentation are
available at


This release is the culmination of over 3000 commits by over one hundred
contributors and has several new features and numerous bug fixes
relative to GHC 8.6:

 * Profiling now works correctly on 64-bit Windows (although still may
   be problematic on 32-bit Windows due to platform limitations; see

 * A new code layout algorithm for amd64's native code generator

 * The introduction of a late lambda-lifting pass which may reduce
   allocations significantly for some programs.

 * Further work on Trees That Grow, enabling improved code re-use of the
   Haskell AST in tooling

 * More locations where users can write `forall` (GHC Proposal #0007)

 * A comprehensive audit of GHC's memory ordering barriers has been
   performed, resulting in a number of fixes that should significantly
   improve the reliability of programs on architectures with
   weakly-ordered memory models (e.g. PowerPC, many ARM and AArch64

 * A long-standing linker limitation rendering GHCi unusable with
   projects with cyclic symbol dependencies has been fixed (#13786)

 * Further work on the Hadrian build system

 * Numerous bug-fixes

As always, if anything looks amiss do let us know.

Happy compiling!


- Ben

[1] https://downloads.haskell.org/ghc/8.8.1-rc1/docs/html/users_guide/8.8.1-notes.html

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