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> Carla 2.2 RC2 is here!
On 2020-09-07 by falkTX

Hello everyone, this is an announcement for the next release candidate for Carla v2.2.
Comes after a few issues were reported and fixed, and as an exception a new plugin is added.

The new plugin is actually "XY Controller" from the Cadence project.
It works pretty much the same way, except that received MIDI data will not change the UI elements.
This is because this is a plugin now, not a standalone application anymore. But everything else remains.
As a bonus, the X and Y are now plugin parameters, and work as parameter outputs too, so they can control other stuff in Carla.

Why the plugin was added so suddenly will be explained in detail in a future Cadence release.
But in short, I am splitting Cadence into easier to manage sub-projects.
The "Meter" and "XY Controller" tools are now part of Carla, so they can be removed from Cadence.

Besides the new plugin (which again is an exception, due to Carla v2.2 already being in Release-Candidate state) we only have bug-fixes.
The full list of changes is:

  • Add xycontroller plugin
  • Auto-select text in plugin search entry when focused via shortcut
  • Compress canvas clipboard image saving (as PNG)
  • Disable OSC by default on macOS
  • Fix crash when receiving unexpected VST2 time information
  • Fix current project filename persistence after engine stop
  • Fix deadlock when using VST3 plugins inside Carla as plugin
  • Fix listing LV2 plugins on Windows (2.2 regression)
  • Fix oddities with MIDI learn
  • Fix potential crashes when opening or hiding plugin UIs
  • Fix some plugins not having all their audio ports exposed
  • Fix some plugin UIs not in front of Carla when first shown
  • Fix wine bridge build against winehq-stable and winehq-stable
  • Overall fix to midi pattern plugin
  • Package macOS plugin version, making Carla-Plugin usable with macOS 10.15


To download Carla binaries or source code, jump on over to the KXStudio downloads section.
If you're using the KXStudio repositories, you can simply install "carla-git" (plus "carla-lv2" and "carla-vst" if you're so inclined).
Bug reports and feature requests are welcome! Jump on over to the Carla's Github project page for those.

Final note

Just a reminder that this is a release candidate, and not the final release yet.
There are still a few known issues, but since they are specific to certain workflows, the amount of users affected is limited.
If you find any more of them, please let me know in the github issue tracker, thanks!