News · Commits

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.

12th April 2026

DCP-o-matic 2.18.38 was released.

• New translation to ja_JP from Masanari Hayashi (林雅成).
• New translation to ko_KR from Sean Y. Leigh.
• Updated nl_NL translation from Rob van Nieuwkerk.
• Fix hang when encoding using Grok with burned-in subtitles and no colour conversion (thanks to Aaron Boxer).
• Fix incorrect fade outs (#3145).
• Fix slightly incorrect colours when using 8-bit RGB sources.
• Fix Set button on override frame rate to do what it was meant to.
• Fix updating of crop guess rectangle from the auto-crop dialog.
• Improve speed of moving around the timeline in various situations.
• Support skipping of multiple frames (so e.g. we can handle 120fps sources).
• Allow loading DCPs from the GUI verifier command line.
• Put a scrollbar into the content properties dialogue (#3143).
• Require “non-standard” config checkbox to use MPEG2.
• Stop selecting content in the main window when clicking on the timeline.
• Add a menu option to open the user manual in a web browser.

Download it from here.

10th February 2026

DCP-o-matic 2.18.37 was released.

• Fix errors when using VF DCPs with the editor.
• Fix failure to hard-link files in the combiner on Windows.
• Fix incorrect subtitle outline when the subtitles are offset (#3138).
• Add line numbers to .srt error messages.
• Speed up timeline dragging a little.
• Allow adding multiple DCPs to the verifier in one go.
• Copy some more metadata from a DCP into the project when requested.
• Add link button for subtitle scale.
• Fix confusion when setting J2K video bit rate when the maximum has been configured in ‘non-standard’ preferences.

Download it from here.