MKV2MP4 History:


1.4.11 (08 Nov 2018):

• Fixed problems with app failing to launch with 'expiry' message


1.4.10 (09 Oct 2018):

• Fixed possible crash related to using a 'Watchfolder'

• Add support for 'Dark Mode' on macOS 10.14 'Mojave'

• Add ability to passthrough the 'VP9' video codec to MP4 files

• Pre-select right folder when having to the open destination folder


1.4.9 (12 Apr 2018):

• Added options to use variable-bitrate (VBR) when converting audio to AAC

• Improved audio quality when converting to AAC

• Fix problem with movies that contain multiple video tracks


1.4.8 (08 Mar 2018):

• Fixed problems when there is not enough free disk space for conversion

• Fix very rare movies containing 'Main-profile' AAC tracks playing without sound

• Detect 'rv40' video codec which can not be converted


1.4.7 (07 Jan 2018):

• Fixed rare conversion failure with "Too many packets buffered"

• Add options for custom conversion of unknown 5.1 audio-tracks

• Improve speed and quality by treating E-AC3 the same as AC3 audio

• Fixed detection of some 5.1 surround audio tracks

• Fixed problem related to parallel queue feature


1.4.6 (04 Dec 2017):

• Fix issue where the fifth conversion would always fail


1.4.5 (24 Nov 2017):

• Add option to convert multiple MKVs concurrently for even more speed

• Add option to 'watch' a folder to automatically convert MKVs added there

• Allow disabling alert when MKVs have been removed before conversion

• Fixed problem with audio-track language selection on 10.12 and 10.13


1.4.1 (01 Nov 2017):

• Add support for 'clearing' destination folder bookmarks

• Improved stability


1.4.0 (17 Oct 2017):

• H265/HECV support for producing HEVC MP4s compatible with macOS 10.13 / iOS 11 / tvOS 11

• Added option to convert to surround AAC audio format

• Added options to specify custom conversion of FLAC audio

• Improved reliability


1.3.9 (13 Sep 2017):

• IMPORTANT: you can now buy MKV2MP4 outside the Mac App Store, using 'Paddle'

• Fixed problems converting MKVs with 2-letter language-codes

• Prevent errors when trying to convert incompatible WMV videos

• Prevent warning messages due to posters embedded into videos


1.3.8 (27 May 2017):

• Fixed rare crash when processing some damaged files

• Accept AVIs for conversion to MP4 (unsupported and likely to fail)

• Add FAQ section about converting unsupported video files


1.3.7 (21 Apr 2017):

• Fixed rare crash when having multiple entries of a broken bookmark

• Add new jobs on top by default - restore old behaviour by:

defaults write com.corecode.MKV2MP4 InsertJobsAtBottom -bool YES


1.3.6 (7 Dec 2016):

• Fixed rare conversion problem on broken files since v1.3.4


1.3.5 (26 Nov 2016):

• Fixed detection/conversion of 7.1 DTS-HD audio tracks


1.3.4 (23 Nov 2016):

• Fix for some MKVs failing to convert


1.3.3 (26 Jun 2016):

• Fix for result MP4 sometimes containing wrong language audio


1.3.2 (4 May 2016):

• Fix possible conversion problems when changing audio volume

• Added complete localization to French (thanks to Francois Riou)

• Added partial localization to Norwegian


1.3.1 (28 Apr 2016):

• Fix problem with "additionally include 5.1 track" setting

• Fix problem with destination folder selection not being remembered

• Improved detection of surround sound tracks


1.3.0 (11 Apr 2016):

• IMPORTANT: The minimum system requirements have been raised to macOS 10.10

• Dramatically improved performance for all conversions to AAC

• Added a "Next to" option to always create the MP4 next to the original MKV

• Improved reliability and stability

• Detect 'aic' video codec which can not be converted

• Fix issues when pressing 'Enter' in main window

• Fix problem with selecting default conversion destination folder

• Include a complete localization to German

• Include a comprehensive localization to Italian (thanks to Mattia Confalonieri)

• Include partial localizations to all languages supported by Mac OS X


1.2.12 (16 Mar 2016):

• Improved detection of system problems (posix_spawn)

• Detect broken audio tracks which can not be converted

• Detect 'msmpeg4v3' video codec which can not be converted


1.2.11 (16 Dec 2015):

• Detect files that are too damaged to convert

• Catch basic system problems (posix_spawn)


1.2.10 (24 Jun 2015):

• Fix problem since

1.2.8 where wrong audio track would be used


1.2.9 (15 Jun 2015):

• Allow "audio boost" up to 400%

• More informational error diagnosis reports


1.2.8 (14 May 2015):

• Allow handling .TS files

• Make Finder's "Open with…" work when the app is not running

• Fixed app icon not showing up in the about window

• Fixed problem when bookmarked folders are deleted

• Fixed problem when canceling destination folder selection


1.2.7 (10 Mar 2015):

• Fixed problem converting MKVs with FLAC audio with certain settings

• Added support for converting files that don't contain any audio tracks

• Faster file scanning and reduced the applications binary size

• Include our 'privacy policy' in the documentation

• Non-MKV files with compatible video tracks can now be converted

• Improved handling of files with incompatible video tracks


1.2.6 (21 Jan 2015):

• Fixed conversion problem with some files


1.2.5 (8 Jan 2015):

• Fixed problem ("invalid MKV") with 10.7 & 10.8 introduced in last version

• Made subtitle handling more error-resilient - restore old behaviour by:

defaults write com.corecode.MKV2MP4 FixSubtitleDuration -bool no


1.2.4 (15 Nov 2014):

• Fixed conversion problem with some files

• Fixed problem where audio track would be missing for very long movies

• Fixed problem with subtitles in UTF-16 format

• Redesigned informational welcome-message to be less disturbing

• Add FAQ entry about converting movies for the AppleTV


1.2.3 (30 Aug 2014):

• Fixed problem when converting to .m4v extension introduced in 1.2.2


1.2.2 (22 Aug 2014):

• Fixed conversion problem with some files

• Made preferences window fit on small screens


1.2.1 (29 Jul 2014):

• Added option to specify subtitle encoding to prevent missing subtitles

• Detect disk/network problems when saving files instead of just failing

• Added hidden option (Terminal) to produce streamable 'fast-start' files:

defaults write com.corecode.MKV2MP4 ProduceStreamableFiles -bool yes


1.2.0 (14 May 2014):

• Added option to control sound volume of converted audio track

• Added option to convert HE-AAC to AAC for improved compatibility

• Added recognition of subtitle files that have suffixes like '-eng' or '-forced'

• Added warning when converting files that can't be converted to MP4

• Added warning when movie to convert disappears during conversion

• Added warning when dropping Aliases onto MKV2MP4

• Improved conversion speed of files with MP3 audio track

• Improved cleanup of temporary files when conversion fails

• Fixed some conversion failures with subtitles

• Fixed long stall before conversion finish of files with 5.1 audio track

• Fixed crashes with malformed videos or videos without audio track

• Fixed rare conversion failure of files with only a 5.1 FLAC audio track

• Fixed problem where queue would not continue after a conversion failure

• Fixed problem where passthrough setting would not work for 2.0 DTS audio

• Fixed problem with files with 5.1 audio track and apostrophe in the filename


1.1.8 (19 Nov 2013):

• Improved stability and reliability and performance

• Warn when converting videos which can not be viewed on the PS3

• Fixed conversion of files with damaged AAC audio tracks

• Detect when source MKV is removed before conversion starts


1.1.7 (13 Sep 2013):

• Fixed detection/conversion of 6.1 DTS-ES audio tracks


1.1.6 (20 Jun 2013):

• Fixed possible crash caused by system updates

• Fixed problem related to external subtitles introduced in 1.1.5

• Added support for recognizing subtitle files with language coded filename


1.1.5 (07 Jun 2013):

• Fixed problem where MKV2MP4 would "freeze" converting some files

• Added support for generating surround 5.1 files compatible with AppleTV

• Added option to generate files with M4V extension instead of MP4 extension

• Added elapsed conversion time display for finished files

• Fixed "Additionally include 5.1 audio track" option for files with AAC main audio track

• Fixed problem where added files would be processed in the reverse order

• Fixed problem where language codes for audio tracks would not match the source file


1.1.1 (24 Apr 2013):

• IMPORTANT: fix incompatibility with Mac OS X 10.7.x

• Fix rare conversion failure with FLAC5.1 audio and the "include 5.1 audio" option


1.1.0 (2 Apr 2013):

• Improved subtitle support

• Fixed conversion of files with broken AAC audio tracks

• Display status icons after conversion

• Added options to rate the app on the MacAppStore or on MacUpdate

• Added option to delete original file after conversion

• Fixed rare problem where resulting file would play at a weird resolution

• Warn when user selects a read-only file destination

• Improved calculation of necessary free disk space for conversion

• Warn when conversion failed because of a full hard-disk

• Prevent system idle sleep during conversion (to prevent conversion failures)

• Ask about really quitting the application when conversion is in progress

• Fixed layout problem

• Warn on rare 10-bit videos that won't play on most devices

• Disabled subtitle conversion by default (can cause rare conversion failures)


1.0 (10 Jan 2013):

• Initial release