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> Carla 2.0 beta3 is here!
On 2014-10-25 by falkTX

Hello again everyone, we're glad to bring to you the 3rd beta of the upcoming Carla 2.0 release.
There have been quite a few nice features implemented since beta2; here are the highlights.



Internal Patchbay

This new engine processing mode is similar to what JACK does for all clients and what other modular applications do.
Every plugin gets its own canvas group and ports allowing you to interconnect plugin audio and MIDI.
You can use this mode to build complex plugin routing scenarios, perhaps involving several layers of rack and patchbays.

Note that this is currently not available for non-JACK drivers; but for those you can use the internal carla-patchbay plugin.
There's no support for LV2 Control-Voltage ports as of yet, this will be implemented in the next beta together with MIDI-OSC.


Carla as VST plugin (Linux only)

With the first beta of Carla 2.0 we introduced Carla as a plugin, which worked as both internal and LV2.
Now Carla is available as a VST plugin too, allowing you to load it all DAWs released for Linux.
There are 4 variants: Rack-Synth, Rack-FX, Patchbay-Synth and Patchbay-FX.


Carla LMMS Plugin

Carla has an LMMS plugin too, as Carla-Patchbay and Carla-Rack instruments.
So finally you can use native softsynths within LMMS!
The carla-lmms plugin code is already in LMMS and will be part of its 1.1 release.

If you're using the KXStudio repositories and feel like giving it a try simply install carla-git and lmms.


AU Plugins (MacOS only)

AU plugins are working in Carla now.
Carla's plugin compatibility increases once more.


New and updated skins

There's a new OpenAV-style plugin slot skin.
Calf and ZynFX have been updated.
More to come soon.


Old non-skin mode

You can now use the old non-skin mode from Carla 1.x series.
This saves space if you load lots of plugins at once.

More stuff

  • New time panel added, but it's very incomplete.
  • LV2 plugin discovery is now automatic, but without plugin checks or testing.
  • LV2 plugins are fully working on MacOS and Windows, including their native UIs (Cocoa and HWND respectively).

There will still be 1 or 2 more beta releases before going for a release candidate, so expect more cool stuff soon!


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