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Qtractor 0.9.11 - The Mauerfall'30 Release


Not making history or a revolution but as peaceful as thirty years ago ;)

Qtractor 0.9.11 (mauerfall'30) is out!

And the change-log goes as follows:

  • MIDI Instrument and patch, bank and program names are now correctly updated on their respective track-list (left pane) columns.
  • Avoid copying/replicating dirty MIDI clip files, for yet untitled/scratch sessions.
  • Transport/Backward commands now honoring edit-tail, loop-end and punch-out points, when playback is not rolling.
  • A session name (sub-)directory is now suggested on every new session properties dialog.
  • Avoid adding any extraneous clip replica when Ctrl+dragging on either of its edges.
  • When using autotools and ./configure --with-qt=..., it is also necessary to adjust the PKG_CONFIG_PATH environment variable (after a merge request by plcl aka. Pedro López-Cabanillas, while on qmidinet, thanks).
  • Fixing a potential crash-effect in switching MIDI output buses on tracks that are set to show audio output monitoring meters, is on going still.


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 (help wanted!):


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

Enjoy && Keep the fun.

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