2.2. Version 9.12.2¶
The significant changes to the various parts of the compiler are listed in the following sections. See the migration guide on the GHC Wiki for specific guidance on migrating programs to this release.
2.2.2. 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 | 9.12.2.20250919 | The compiler itself |
| Cabal-syntax | 3.14.2.0 | Dependency of ghc-pkg utility |
| Cabal | 3.14.2.0 | Dependency of ghc-pkg utility |
| Win32 | 2.14.1.0 | Dependency of ghc library |
| array | 0.5.8.0 | Dependency of ghc library |
| base | 4.21.1.0 | Core library |
| binary | 0.8.9.3 | Dependency of ghc library |
| bytestring | 0.12.2.0 | Dependency of ghc library |
| containers | 0.7 | Dependency of ghc library |
| deepseq | 1.5.1.0 | Dependency of ghc library |
| directory | 1.3.9.0 | Dependency of ghc library |
| exceptions | 0.10.10 | Dependency of ghc and haskeline library |
| file-io | 0.1.5 | Dependency of directory library |
| filepath | 1.5.4.0 | Dependency of ghc library |
| ghc-boot-th | 9.12.2.20250919 | Internal compiler library |
| ghc-boot | 9.12.2.20250919 | Internal compiler library |
| ghc-compact | 0.1.0.0 | Core library |
| ghc-experimental | 9.1202.0 | Core library |
| ghc-heap | 9.12.2.20250919 | GHC heap-walking library |
| ghc-internal | 9.1202.0 | Core library |
| ghc-platform | 0.1.0.0 | Internal library |
| ghc-prim | 0.13.0 | Core library |
| ghci | 9.12.2.20250919 | The REPL interface |
| haskeline | 0.8.2.1 | Dependency of ghci executable |
| hpc | 0.7.0.2 | Dependency of hpc executable |
| integer-gmp | 1.1 | Core library |
| mtl | 2.3.1 | Dependency of Cabal library |
| os-string | 2.0.8 | Dependency of filepath library |
| parsec | 3.1.18.0 | Dependency of Cabal library |
| pretty | 1.1.3.6 | Dependency of ghc library |
| process | 1.6.26.1 | Dependency of ghc library |
| semaphore-compat | 1.0.0 | Dependency of ghc library |
| stm | 2.5.3.1 | Dependency of haskeline library |
| template-haskell | 2.23.0.0 | Core library |
| terminfo | 0.4.1.7 | Dependency of haskeline library |
| text | 2.1.3 | Dependency of Cabal library |
| time | 1.14 | Dependency of ghc library |
| transformers | 0.6.1.2 | Dependency of ghc library |
| unix | 2.8.7.0 | Dependency of ghc library |
| xhtml | 3000.2.2.1 | Dependency of haddock executable |
| haddock-api | 2.30.0 | Dependency of haddock executable |
| haddock-library | 1.11.0 | Dependency of haddock executable |