This new update is described as "mostly a LV2 1.0.0 compliance release with some fixes from the stash and fewer candies from the jar. On the darker/brighter side (your choice) there's news on the LV2 atom(ic) fall-out now being officially over".

Release highlights:

• LV2 Atom/MIDI support (NEW).
• LV2 Worker/Schedule support (NEW).
• LV2 Presets support (NEW).
• LV2 Time/position support (NEW).
• LV2 Programs/instrument support (NEW).
• MIDI plugin event timing on tempo changes (FIX).
• Loop-recording/takes audio sync (FIX).
• Quick start guide and user manual (NEW).
• Russian and Italian translations (NEW).

Qtractor is an audio/MIDI multi-track sequencer application written in C++ with the Qt4 framework [1]. 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.

• Website: qtractor.sourceforge.net
• Project page: sourceforge.net/projects/qtractor
• Downloads:
  • Source tarball: sourceforge.net/qtractor-0.5.5.tar.gz
  • Source package (openSUSE 12.1): sourceforge.net/qtractor-0.5.5-4.rncbc.suse121.src.rpm
  • Binary packages (openSUSE 12.1):
    • sourceforge.net/qtractor-0.5.5-4.rncbc.suse121.i586.rpm
    • sourceforge.net/qtractor-0.5.5-4.rncbc.suse121.x86_64.rpm
• Brand new (quick start guide &) user manual: sourceforge.net/qtractor-0.5.x-user-manual.pdf
• Weblog (upstream support): www.rncbc.org

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

Visit: qtractor.sourceforge.net