Commit d59812ce authored by Ben Gamari's avatar Ben Gamari 🐢

users guide: Add release notes for 8.6.3

parent ed86e3b5
.. _release-8-6-3:
Release notes for version 8.6.3
===============================
GHC 8.6.3 is a bug-fix release, fixing a few regressions found in 8.6.1 and
8.6.2. As some of these issues are soundness issues users are strongly
encouraged to upgrade.
Highlights
----------
The highlights, since the 8.6.2 release, are:
- A bug resulting in segmentation faults in some programs has been fixed
(:ghc-ticket:`15892`)
- Darwin binary distributions are now correctly built against an in-tree
``libgmp`` (:ghc-ticket:`15404`)
- Three bugs leading to linker failures on Windows has been fixed
(:ghc-ticket:`15105`, :ghc-ticket:`15894`, :ghc-ticket:`15934`)
- A bug leading to programs with deep stacks crashing when run with retainer profiling enabled has been fixed (:ghc-ticket:`14758`)
- A bug resulting in potential heap corruption during stable name allocation has been fixed (:ghc-ticket:`15906`)
- Plugins are now loaded during GHCi sessions (:ghc-ticket:`15633`)
Known issues
------------
Note that the LLVM code generator (:ghc-flag:`-fllvm`) in GHC 8.6, as well as
all earlier releases, are affected by :ghc-ticket:`14251`, which can result in
miscompilation of some programs calling functions with unboxed floating-point
arguments. While originally scheduled to be fixed for this release, the fix
ended up being more difficult than anticipated and, given that issue is not a
strict regression from 8.4, we decided to proceed with the release.
Included libraries
------------------
The package database provided with this distribution also contains a number of
packages other than GHC itself. See the changelogs provided with these packages
for further change information.
.. ghc-package-list::
libraries/array/array.cabal: Dependency of ``ghc`` library
libraries/base/base.cabal: Core library
libraries/binary/binary.cabal: Dependency of ``ghc`` library
libraries/bytestring/bytestring.cabal: Deppendency of ``ghc`` library
libraries/Cabal/Cabal/Cabal.cabal: Dependency of ``ghc-pkg`` utility
libraries/containers/containers.cabal: Dependency of ``ghc`` library
libraries/deepseq/deepseq.cabal: Dependency of ``ghc`` library
libraries/directory/directory.cabal: Dependency of ``ghc`` library
libraries/filepath/filepath.cabal: Dependency of ``ghc`` library
compiler/ghc.cabal: The compiler itself
libraries/ghci/ghci.cabal: The REPL interface
libraries/ghc-boot/ghc-boot.cabal: Internal compiler library
libraries/ghc-compact/ghc-compact.cabal: Core library
libraries/ghc-prim/ghc-prim.cabal: Core library
libraries/haskeline/haskeline.cabal: Dependency of ``ghci`` executable
libraries/hpc/hpc.cabal: Dependency of ``hpc`` executable
libraries/integer-gmp/integer-gmp.cabal: Core library
libraries/mtl/mtl.cabal: Dependency of ``Cabal`` library
libraries/parsec/parsec.cabal: Dependency of ``Cabal`` library
libraries/process/process.cabal: Dependency of ``ghc`` library
libraries/template-haskell/template-haskell.cabal: Core library
libraries/text/text.cabal: Dependency of ``Cabal`` library
libraries/time/time.cabal: Dependency of ``ghc`` library
libraries/transformers/transformers.cabal: Dependency of ``ghc`` library
libraries/unix/unix.cabal: Dependency of ``ghc`` library
libraries/Win32/Win32.cabal: Dependency of ``ghc`` library
libraries/xhtml/xhtml.cabal: Dependency of ``haddock`` executable
......@@ -14,6 +14,7 @@ Contents:
intro
8.6.1-notes
8.6.2-notes
8.6.3-notes
ghci
runghc
usage
......
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