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Qtractor 0.9.21 - An End-of-Winter'21 Release batch #3

Hello thrice!

Qtractor 0.9.21 (end-of-winter'21) is out!


  • Ignore snap while ALT key is pressed, on the main track-view and the MIDI clip editors (aka. piano-roll).
  • Fixed a FTBFS when native LV2 UI GTK2 support is disabled.
  • Fix IPlugView leaks for VST3 plugins.


Qtractor is an audio/MIDI multi-track sequencer application written in C++ with the Qt framework. Target platform is Linux, where the Jack Audio Connection Kit (JACK) for audio and the Advanced Linux Sound Architecture (ALSA) for MIDI are the main infrastructures to evolve as a fairly-featured Linux desktop audio workstation GUI, specially dedicated to the personal home-studio.


Project page:


Git repos:

Wiki (outdated; help?):


Qtractor is free, open-source Linux Audio software, distributed under the terms of the GNU General Public License (GPL) version 2 or later.

Stay safe and healthy! && Keep having fun, always!

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You really should move away from sf. Gitlab would be miles better. I'd definitely help with wiki and any other setup.

rncbc's picture

I know everything and the kitchen sink are miles better than
but hey, please read the bottom note in

and the wiki is rendered in its entirety to; only the source material (markdown) are hosted on

please, feel free to propose a serious migration plan for the wiki to gitlab, or github, whatever... that would be very and pretty much appreciated. ;)

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