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

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 derivied 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
