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Qtractor 0.9.1 - A Pre-LAC2018 Release Frenzy Finale!

Hello again,

The Pre-LAC2018 release frenzy is now complete...

Qtractor 0.9.1 (pre-lac2018 beta) is out!


  • Displaying MIDI note(on) events as diamonds instead of simple rectangles (aka. Drum Mode) is now being introduced as an optional MIDI track property (Drums) and as a MIDI clip editor (piano-roll) visual option (cf. View/Drum Mode).
  • Extended multi-selection is now supported on all the Connections client/port lists, allowing for multiple (dis)connections at once.
  • Added LV2 UI sample-rate option support.
  • Always reset all internal dedicated MIDI controllers, eg. MIDI track volume (CC#7) and panning (CC#10), on Transport/Panic and after rendering export to audio (ie. Track/Export Tracks/Audio...) as needed to reset MIDI instrument plugins to nominal session state.
  • Fix, detect and preserve MIDI Bank-select method across MIDI track/clips editing operations.
  • Fixed MIDI track and clip note min/max display range while recording and also when duplicating tracks.
  • Added "All files (*.*)" filter to every file requestor dialog, wherever missing.
  • The tiny zoom-magnifier icons have been revamped.


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, always!):


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. Always.

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