27th January 2026
DCP-o-matic 2.18.36 was released.
- Fix broken DCPs when using multi-reel ATMOS content.
Download it from here.
14th January 2026
DCP-o-matic 2.18.35 was released.
- Fix mismatched audio reel length errors in some cases (#3123).
- Improve transcode progress reporting in some cases (#2864).
- Fix closed caption layout in the presence of italics / other markup (#3067).
- Fix truncation of ISDCF name parts that have had things substituted (#3112).
- Fix disappearing Cancel/Verify buttons in the verifier on smaller screens.
- Fix empty video view when clicking in the timeline.
- Stop main window shrinking when dragging the content properties dialogue on Linux.
- Update ‘bad private key’ message when loading a new one.
- Updated nl_NL translation from Rob van Nieuwkerk.
- Add context menu option to verify DCPs from the main DoM (#2054).
- Allow export of Interop/SMPTE format subtitles (#3025).
- Show properties of all audio streams (#2397).
- Add Shift-Ctrl-E shortcut to export subtitles.
- Allow drag of multiple selections.
- Display markers in the player (#2793).
- Set project standard when adding a DCP (#2148).
- Use known DKDMs to decrypt DCPs for verification.
- Allow adding KDMs to the verifier to verify encrypted DCPs (#2971).
Download it from here.
16th December 2025
DCP-o-matic 2.18.34 was released.
- Fix artefacts on the edge of YUV images with odd widths (#3119).
- Fix error when seeking a file with no video and >1 audio stream (#3128).
- Rename the old P3 colour conversion to P3 DCI, and add some new ones (#3124).
- Disable audio graph option with encrypted and VF DCPs (#3090).
- Add
convert-screen-db subcommand to dcpomatic2_cli.
Download it from here.
29th November 2025
DCP-o-matic 2.18.33 was released.
- Fix incorrect rendering of EXR file in some cases (#3122).
- Fix use of relative path configuration with files on a different Windows drive.
- Fix error on multiple </font> tags in a SubRip file.
Download it from here.
17th November 2025
DCP-o-matic 2.18.32 was released.
- Fix crash on startup on Fedora 42 and Ubuntu 24.04.
Download it from here.
15th November 2025
DCP-o-matic 2.18.31 was released.
- Don't say that out-of-date KDM decryption certificates are invalid.
- Build Fedora 42 version with support for Grok.
- Updated nl_NL translation from Rob van Nieuwkerk.
- Fix "Verify picture assets details" checkbox in the player (#3118).
Download it from here.
11th November 2025
DCP-o-matic 2.18.30 was released.
- Re-examine the content in some projects made in previous DCP-o-matic versions, since we changed how we handled stream IDs in multi-stream files.
- Preserve CPL/PKL filenames in the editor (#3109).
- Allow specification of which parts of the DCP to encrypt (#3099).
- Fix failure to play any audio when one stream isn't producing anything (#3108)
- Fall back to copying (instead of hard-linking) in the combiner more often.
- Don't even try to use dark mode on Windows (#3107).
Download it from here.
31st October 2025
DCP-o-matic 2.18.29 was released.
- Fix incorrect reading of markers from multi-reel DCPs (#3105).
- Do not report channels as mapped when they are not included in the film's channel count.
- Fix failure to import DCP-o-matic settings files.
- Fix build warnings on Arch Linux.
Download it from here.
24th October 2025
DCP-o-matic 2.18.27 was released.
- Patch
libsamplerate to hopefully fix sporadic crazy values in audio analyses (#3101).
- Fix crash when specifying ‘impossible’ crops in the player.
Download it from here.
16th October 2025
DCP-o-matic 2.18.26 was released.
- Fix incorrect rendering of stretched subtitles (#2337).
- Keep the display awake when playing on macOS and Windows (#3095).
- Fix custom scale dialogue box when the decimal separator is not a point.
- Make the Disk Writer work on older macOS versions (e.g. Big Sur) (#3087).
- Updated nl_NL translation from Rob van Nieuwkerk.
- Updated zh_CN translation from 刘汉源.
- Updated fr_FR translation from Dan Cohen.
- Add an audio graph option to the player (#3090).
- Fix rendering of main captions and closed subtitles (even though not they are advisable).
- Make the DCP (reels) timeline look a bit better in dark mode (#2980).
- Draw markers better next to the position slider (#3005).
- Sign DCPs when saving them out of the editor.
- Speculative fix for failure to SCP files to Doremi servers.
Download it from here.