v4.4

• Improved speed and quality of conversion
• Added RAR5 support
• Dropped BMP and TIFF support
• Fixed some WebToon mode bugs
• Fixed CBR parsing on OSX

v4.3.1

• Fixed Kindle Voyage profile
• Fixed some bugs in OS X release
• CLI version now support multiple input files at once
• Disabled MCB support
• Other minor tweaks

v4.3

• Added profiles for Kindle Voyage and Kobo Aura H2O
• Added missing features to CLI version
• Other minor bug fixes

v4.2.1

• Improved margin color detection
• Fixed random crashes of MOBI processing step
• Fixed resizing problems in high quality mode
• Fixed some MCD support bugs
• Default output format for Kindle DX is now CBZ

v4.2

• Added Manga Cover Database support
• Officially dropped Windows XP support
• Fixed Other profile
• Fixed problems with page order on stock KOBO CBZ reader
• Many other small bug fixes and tweaks

v4.1

• Thanks to code contributed by Kevin Hendricks speed of MOBI creation was greatly increased
• Improved performance on Windows
• Improved MOBI splitting and changed maximal size of output file
• Fixed No optimization mode
• Multiple small tweaks nad minor bug fixes

v4.0.2

• Fixed some Windows and OSX specific bugs
• Fixed problem with margins when using HQ mode

v4.0.1

• Fixed file lock problems that plagued some Windows users
• Fixed content server failing to start on Windows
• Improved performance of WebToon splitter
• Tweaked margin color detection

v4.0

• KCC now use Python 3.3 and Qt 5.2
• Full UTF-8 awareness
• CBZ output now support Manga mode
• Improved Panel View support and margin color detection
• Added drag&drop support
• Output directory can be now selected
• Windows release now have auto-updater
• Names of chapters on Kindle should be now more user friendly
• Fixed OSX file association support
• Many extensive internal changes and tweaks

v3.7.2

• Fixed problems with HQ mode