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