2.1. Version 9.4.7

The significant changes to the various parts of the compiler are listed in the following sections.

The LLVM backend of this release is to be used with LLVM 10, 11, 12, 13, or 14.

2.1.1. Significant Changes

Issues fixed in this release include:

2.1.1.1. Compiler

2.1.1.2. Build system and packaging

  • Allow building documentation with sphinx versions older than 4.0 along with older versions of python (#23807, #23818).
  • Also build vanilla (non-static) alpine bindists (#23349, #23828).
  • Make hadrian buildable with Cabal-3.8.

2.1.1.3. Core libraries

  • Bump bytestring to 0.11.5.2 (#23789), allowing GHC to be bootstrapped on systems having HAVE_PTHREAD_CONDATTR_SETCLOCK

2.1.1.4. 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.

Package Version Reason for inclusion
ghc 9.4.7 The compiler itself
Cabal-syntax 3.8.1.0 Dependency of ghc-pkg utility
Cabal 3.8.1.0 Dependency of ghc-pkg utility
Win32 2.12.0.1 Dependency of ghc library
array 0.5.4.0 Dependency of ghc library
base 4.17.2.0 Core library
binary 0.8.9.1 Dependency of ghc library
bytestring 0.11.5.2 Dependency of ghc library
containers 0.6.7 Dependency of ghc library
deepseq 1.4.8.0 Dependency of ghc library
directory 1.3.7.1 Dependency of ghc library
exceptions 0.10.5 Dependency of ghc and haskeline library
filepath 1.4.2.2 Dependency of ghc library
ghc-boot-th 9.4.7 Internal compiler library
ghc-boot 9.4.7 Internal compiler library
ghc-compact 0.1.0.0 Core library
ghc-heap 9.4.7 GHC heap-walking library
ghc-prim 0.9.1 Core library
ghci 9.4.7 The REPL interface
haskeline 0.8.2 Dependency of ghci executable
hpc 0.6.1.0 Dependency of hpc executable
integer-gmp 1.1 Core library
libiserv 9.4.7 Internal compiler library
mtl 2.2.2 Dependency of Cabal library
parsec 3.1.16.1 Dependency of Cabal library
pretty 1.1.3.6 Dependency of ghc library
process 1.6.17.0 Dependency of ghc library
stm 2.5.1.0 Dependency of haskeline library
template-haskell 2.19.0.0 Core library
terminfo 0.4.1.5 Dependency of haskeline library
text 2.0.2 Dependency of Cabal library
time 1.12.2 Dependency of ghc library
transformers 0.5.6.2 Dependency of ghc library
unix 2.7.3 Dependency of ghc library
xhtml 3000.2.2.1 Dependency of haddock executable