0.32
    - add tests to detect Alpha problems reported via CPAN testers (gfx)
0.31
    - update Module::Install::XSUtil for ccache support (gfx)
    - add version check at bootstrap in order to avoid load old .so (gfx)
0.30
    - fix utf8 mode not to be reseted by $unpacker->reset method (gfx)
0.29
    - add $unpacker->utf8 mode, decoding strings as UTF-8 (gfx)
0.28
    - added more tests(gfx)
    - refactor the PP code(gfx)
0.27
    - * 6d9a629 perl: modified trivial codes in PP::Unpacker(makamaka)
    - * ead8edc modified be unpack_(u)int64 in PP(makamaka)
0.26
    - fixed a serious code typo in PP(makamaka)
0.25
    (NO FEATURE CHANGES)
    - oops. I failed releng.
0.24
    - Fixed a lot of streaming unpacking issues (tokuhirom, gfx)
    - Fixed unpacking issues for 64 bit integers on 32 bit perls (gfx)
    - Improved performance, esp. in unpacking (gfx)
0.23
    (NO FEATURE CHANGES)
    - fixed english docs(hanekomu++)
0.22
    - fixed issue on ithreads(broken from 0.21)
0.21
    - doc enhancments
    - micro performance tuning.
0.20
    - first production ready release with PP driver.
0.16_04
    - no feature changes
0.16_02
    - document enhancement(tokuhirom)
    - M::I::XSUtil 0.26 is broken. use 0.27.
0.16_01
    - added PP version (used in cases PERL_DATA_MESSAGEPACK=pp or fail to load XS).
    - made Makefile.PL PP configurable.
    - test_pp in author's test
    - modified t/05_preferred_int.t for Win32
      (makamaka)
0.16
    - tests on 64bit machines with -Duselongdouble
      (reported by andk)
0.15
    - better argument validation.
      (Dan Kogai)
0.14
    - fixed segv on serializing cyclic reference
      (Dan Kogai)
0.13
    - clearly specify requires_c99(), because msgpack C header requires C99.
0.12
    - PERL_NO_GET_CONTEXT makes horrible dTHXs. remove it.
0.11
    - oops(no feature changes)
0.10
    - added more test cases.
    - fixed portability issue
    - (reviewed by gfx++)
0.09_01
    - fixed memory leak issue(reported by Maxime Soulé)
0.09
    - support NVTYPE=="long double" or IVTYPE=="long long" environment
      (thanks to Jun Kuriyama++)
0.08
    - fixed PVNV issue...
0.07
    - do not use switch (SvTYPE(val)).
0.06
    - use SvNOK.
0.05
    - change type detection for old perl
0.04
    - check SvROK first(reported by yappo++)
    - PreferInteger: faster string to integer conversion; support negative value
      (frsyuki++)
    - make PreferInteger variable magical and remove get_sv from _msgpack_pack_sv
      (frsyuki++)
0.03
    - performance tuning for too long string
    - fixed memory leaks in stream unpacker
0.02
    - added $Data::MessagePack::PreferInteger
      (requested by yappo++)
0.01
    - initial release to CPAN