See also http://pvp.haskell.org/faq

0.7.0.0 Bodigrim andrew.lelechenko@gmail.com February 2024

• Bump bundled zlib to 1.3.1.
• Hide deprecated constructors of CompressionLevel, Method, WindowBits, MemoryLevel, CompressionStrategy and Format.
• Make WindowBits, MemoryLevel and CompressionLevel newtypes over Int.
• Add smart constructors rleStrategy and fixedStrategy.
• Add assorted Eq, Ord, Typeable and Generic instances.
• Make flag pkg-config automatic and on by default.
• Make flag bundled-c-zlib to take priority over pkg-config.
• Do not force bundled-c-zlib on Windows, but force it for WASM.
• Strip install-includes, do not install any headers.
• Export DecompressError from non-internal modules.
• Fix compression/decompression of ByteString chunks > 4G.
• Flip flag non-blocking-ffi to be True be default.

0.6.3.0 Bodigrim andrew.lelechenko@gmail.com May 2022

• Bump bundled zlib to 1.2.12, #48
• Support base-4.17

0.6.2.3 Emily Pillmore emilypi@cohomolo.gy February 2021

• Add support for bytestring-0.11.0.0

0.6.2.2 Julian Ospald hasufell@posteo.de August 2020

• Bump bundled zlib to 1.2.11, fixes #26
• New build flag to force use of the bundled zlib C sources, #31
• Simpler build support for ghcjs, #25
• Add support for GHC 8.10 / base-4.14, #29

0.6.2.1 Herbert Valerio Riedel hvr@gnu.org August 2019

• Add support for GHC 8.8 / base-4.13

0.6.2 Herbert Valerio Riedel hvr@gnu.org March 2018

• New cabal flag 'pkg-config' for discovering 'zlib` via pkg-config(1) (#16)
• Use CApiFFI where available for cross-compile friendliness (#14)
• Change the window bits range from 8..15 to 9..15 (#11)

0.6.1.2 Herbert Valerio Riedel hvr@gnu.org October 2016

• Fix a segfault when reading the stream multithreaded, #7
• New experimental cabal flag 'non-blocking-ffi' for 'safe' ffi calls

0.6.1.1 Duncan Coutts duncan@community.haskell.org April 2015

• Fixed building with GHC 7.0 and 7.2

0.6.0.2 Duncan Coutts duncan@community.haskell.org April 2015

• Fixed building with GHC 7.0 and 7.2

0.6.1.0 Duncan Coutts duncan@community.haskell.org April 2015

• Support for concatenated gzip files (multiple back-to-back streams)

0.6.0.1 Duncan Coutts duncan@community.haskell.org April 2015

• Fixed building with older GHC
• Fixed warnings with new GHC
• Fixed building on Windows
• Fixed testsuite

0.6.0.0 Duncan Coutts duncan@community.haskell.org April 2015

• New incremental interface for compression and decompression
• Provide access to unconsumed trailing data
• Simplified structured error type, and instance of Exception
• Updated bundled zlib C code to 1.2.8 (used on Windows)
• Fixed memory leak of zlib z_stream C structure
• More derived instances (Eq, Show, Typeable, Generic)

0.5.4.2 Duncan Coutts duncan@community.haskell.org November 2014

• Builds with GHC 7.10

0.5.4.1 Duncan Coutts duncan@community.haskell.org February 2013

• Force tail of input when finished decompressing, to help lazy IO

0.5.4.0 Duncan Coutts duncan@community.haskell.org September 2012

• New support for zlib custom dictionaries