v0.5.0
New : dictionary builder utility
Changed : streaming & dictionary API

v0.4.7
Improved : small compression speed improvement in HC mode
Changed : `zstd_decompress.c` has ZSTD_LEGACY_SUPPORT to 0 by default
fix : bt search bug

v0.4.6
fix : fast compression mode on Windows
New : cmake configuration file, thanks to Artyom Dymchenko
Improved : high compression mode on repetitive data
New : block-level API
New : ZSTD_duplicateCCtx()

v0.4.5
new : -m/--multiple : compress/decompress multiple files

v0.4.4
Fixed : high compression modes for Windows 32 bits
new : external dictionary API extended to buffered mode and accessible through command line
new : windows DLL project, thanks to Christophe Chevalier

v0.4.3 :
new : external dictionary API
new : zstd-frugal

v0.4.2 :
Generic minor improvements for small blocks
Fixed : big-endian compatibility, by Peter Harris (#85)

v0.4.1
Fixed : ZSTD_LEGACY_SUPPORT=0 build mode (reported by Luben)
removed `zstd.c`

v0.4.0
Command line utility compatible with high compression levels 
Removed zstdhc => merged into zstd
Added : ZBUFF API (see zstd_buffered.h)
Rolling buffer support

v0.3.6
small blocks params

v0.3.5
minor generic compression improvements

v0.3.4
Faster fast cLevels

v0.3.3
Small compression ratio improvement

v0.3.2
Fixed Visual Studio

v0.3.1 :
Small compression ratio improvement

v0.3
HC mode : compression levels 2-26

v0.2.2
Fix : Visual Studio 2013 & 2015 release compilation, by Christophe Chevalier

v0.2.1
Fix : Read errors, advanced fuzzer tests, by Hanno Böck 

v0.2.0
**Breaking format change**
Faster decompression speed
Can still decode v0.1 format

v0.1.3
fix uninitialization warning, reported by Evan Nemerson

v0.1.2
frame concatenation support

v0.1.1
fix compression bug
detects write-flush errors

v0.1.0
first release