zpaq107 adds config file parameters and fixes some bugs. From now on the specification and reference decoder are not included unless they change. Oct. 2, 2009.
zpaq108 generates optimized code that runs about twice as fast on systems with a C++ compiler installed. Oct. 14, 2009.
unzpaq108.cpp removes undefined behavior of ZPAQL shifts larger than 31 bits on non x86 hardware. Oct. 14, 2009.
zpaq109 Linux port and some cosmetic bug fixes. Oct. 21, 2009.
zpaq110 bug fix for Linux/g++ 4.4.1, Dec. 28, 2009.
zpipe v1.00, a simple streaming compressor, Sept. 30, 2009. Linux patch added Jan. 18, 2010.
zp v1.00 simple ZPAQ compatible archiver with 3 optimized compression levels, Apr. 26, 2010.
libzpaq 0.01, Sept. 27, 2010.
libzpaq 0.02, Sept. 28, 2010.
zpipe 2.00 updated to use libzpaq 0.02, Sept. 28, 2010.
libzpaq 1.00, Sept. 29, 2010. Package includes libzpaq, ZPAQ specification, reference decoder, zp, zpipe, and fast, mid, max config files.
libzpaq 1.01, Oct. 14, 2010. Updates libzpaq interface to use inheritance instead of templates, requiring changes to zp and zpipe. Now compiles faster.
libzpaq 1.02, Oct. 20, 2010. Adds zpsfx self extracting archive stub. Separates optimized models from libzpaq.cpp to libzpaqo.cpp.
libzpaq 2.00, Oct. 30, 2010. Ports zpaq to libzpaq, replacing zp.
libzpaq 2.01, Nov. 5, 2010. Added optimized self extracting archives. Simplified installation.
libzpaq 2.02, Nov. 13, 2010. zpaq shows compression component statistics. Libzpaq support added.
zpaq v2.03, Dec. 23, 2010, adds Linux support. The remaining code is split into libzpaq 2.02, zpipe 2.01, zpsfx 1.00, and configuration files min, fast, mid, and max.
zpaq v2.04, Dec.29, 2010, adds support for Visual C++, Borland, and Mars compilers in addition to g++. A Windows install script is added.
zpaq v2.05, Jan. 5, 2011. Fixed a bug in which zpaq crashed when decompressing an unnamed file (as created with zpipe or zpaq nc) without renaming. Separated zpaq.1.pod. (Updated corrupted install.sh on Jan. 13, 2011).
libzpaq 2.02a, Jan. 6, 2011. Updates the documentation.