News · Commits

24th August 2026

DCP-o-matic 2.18.48 was released.

• Various improvements to the Windows installer: the various tools can now be installed individually, and desktop shortcuts are not installed by default. Also, uninstall should work better.
• Fix error when importing DCPs whose content type tag does not include a XML scope.
• Fix failure to create KDMs for Interop DCPs from the command line tool (#3173).
• Fix missing <Language> in CPLs for audio reels.
• Fix handling of leading and trailing whitespace in binary STL subtitle files.
• Updated nl_NL translation from Rob van Nieuwkerk.

Download it from here.

12th August 2026

DCP-o-matic 2.18.47 was released.

• Various improvements to reel setup when making VFs.
• Add some basic email address validity checking to prevent problems when sending KDM emails.

Download it from here.

1st August 2026

DCP-o-matic 2.18.46 was released.

• Updated nl_NL translation from Rob van Nieuwkerk.
• Updated de_DE translation from Roger Siegenthaler.
• Updated fa_IR translation from Soleyman Rahmani.
• Hopefully fix a range of long-standing bugs where encoding / playback would fail with media on removable or network drives.
• Fix position of punctuation in RTL subtitles in some cases.
• Force RTL layout when subtitles are marked RTL.
• Tolerate use of TTC (instead of TTF) as a font in a DCP.

Download it from here.

27th July 2026

DCP-o-matic 2.18.45 was released.

• Updated nl_NL translation from Rob van Nieuwkerk.
• Fix crash when loading only the left images for a 3D DCP (#3164).
• Build Fedora releases with support for Grok.
• Allow referencing an OV reel more than once (#3169).
• Add a hint when there will be too many PNG subs / fonts in a reel.
• Fix error when filling audio at the end of a film.
• Fix crash on closing projects (#3170) (GH#43).

Download it from here.

29th June 2026

DCP-o-matic 2.18.44 was released.

• Updated ru_RU translation from Евгений Дац.
• Updated ja_JP translation from 林雅成.
• Fix incorrect subtitle font choice in some cases (e.g. when loading a bold font), and possibly strange movement of subtitle texts between frames (#3129).
• Don't offer to use bitmapped DCP subtitle for closed captions (#2998).
• Fix incorrect progress bar with 3D encodes (#3166).
• Fix excessive use of memory when calculating hints with bitmap subtitles.
• Tell the user if they try to export subtitles when there are none.
• Basic .srt export (#3142).
• Add --dcp, --auto-play and --kdm options to player.

Download it from here.

2nd June 2026

DCP-o-matic 2.18.43 was released.

• Updated it_IT translation from Marco Ville.
• Fix crash when adding DCPs to the verifier.
• Some small speed-ups.

Download it from here.

25th May 2026

DCP-o-matic 2.18.42 was released.

• Fix various audio/video sync errors, particularly with the Apple Cinema Display (#3144) — big thanks to Ben Anderson for his help!
• Fix failure to update CCAP when seeking to an empty place (#3163).

Download it from here.

20th May 2026

DCP-o-matic 2.18.41 was released.

• Updated zh_CN translation from 刘汉源.
• Fix failure to refer to CCAPs properly in VFs (#3161).
• Fix auto-mapping to put 7.1 surround channels in the right place.
• Re-use existing video assets after duplicating a film (#3162).

Download it from here.

11th May 2026

DCP-o-matic 2.18.40 was released.

• Updated ja_JP translation from 林雅成.
• Fix some intermittent crashes, especially on macOS.
• Various build fixes for new libraries on Arch Linux.
• Add --trusted-device-chain option to KDM CLI.
• Warn if you specify trusted devices with a KDM formulation that won't use them.

Download it from here.

23rd April 2026

DCP-o-matic 2.18.39 was released.

• Updated fr_FR translation from Théo Lalanne.
• Updated nl_NL translation from Rob van Nieuwkerk.
• Fix incorrect reading of some TIFF files.
• Fix burnt-in subtitle timing when using video + subtitle files in some cases (#3154).
• Fix bug causing incorrect audio analyses in some cases (#3155).
• Improve hints about overly-large XML/MXF files.
• Preserve DCP subtitle settings when re-examining (#3152).
• Fix some confusing use of period in a timecode (#3148).
• Fix closed caption line length warnings in some cases (#3097).
• Fix error when re-examining DCP subtitle content (#3152).
• Fix erroneous hints about captions having more than 3 lines if they contain formatting.
• Add --fill-crop to create CLI (#3008).
• Support grok on Fedora 43.

Download it from here.