Zrythm 1.0.0-beta.5.0.1 release

Zrythm 1.0.0-beta.5.0.1 has been released!

This release changes the project format from YAML to JSON. It’s now 12x faster to load and save project files. Old projects will be automatically upgraded to the new format.

Release Notes

[1.0.0-beta.5.0.1] - 2023-12-13


  • Optimize track processing: only check MIDI control ports that had changes
  • Add search functionality to automatable control selector popover
  • User manual: add more info about how to report bugs
  • Dev docs: add repository management page
  • Add more error checking when loading projects


  • Update Italian, Chinese (Simplified), Korean, French, Polish, Catalan, Swedish translations
  • Use libadwaita widgets and port deprecated widgets to new gtk4 widgets in automatable control selector popover
  • CLI: ignore case when parsing audio/MIDI backend names
  • Project format has changed from zstd-compressed YAML to zstd-compressed JSON (#4763)
  • Tests: calculate plugin bundle URI without running a script
  • Code formatting: reflow comments
  • Rename VERSION to VERSION.txt
  • User manual: update section on project file format


  • Fix main window not being destroyed when pressing close
  • Fix C-format error in localization file


  • Remove YAML-related CLI options

12x faster sounds great. Thanks!
Testing it right now

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