[LAD] [ANN] Qtractor 0.6.3 - The Armed Hadron beta release!

Rui Nuno Capela rncbc at rncbc.org
Mon Sep 22 17:18:01 UTC 2014

Ah, the equinox...

   Twice a year a cherished planetary alignment checks in on schedule, 
once again.

   The little rock gets another round from its warmy solar furnax, from 
which were forged. The pale blue dot gets yet another round and to no 
surprise, another tinier dot gets here around:

   Qtractor 0.6.3 (armed hadron beta) is now released!

Release highlights:
* Revamped mixer (un)dockable panels (NEW)
* Plugin preset selection sub-menu (NEW)
* LV2 Time position/transport event support (NEW)
* Constrained plugin multi-instantiation (FIX)
* Automation curve node resolution (FIX)

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

nb. Despite the old Qt4 stance, but still recommended, Qtractor does 
build, runs and does it all on Qt5 for quite some time now. However, the 
former recommendation prevails as the despicable LV2 plugin GUI 
X11/embedding support through libSUIL just does NOT work on modern Qt5.


Project page:


- source tarball:

- source package (openSUSE 13.1):

- binary packages (openSUSE 13.1):

- quick start guide & user manual (still outdated, see wiki):

- wiki (help wanted!):

Weblog (upstream support):

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

- Make the mouse-wheel to scroll the plugin list views, when not 
hovering a direct-access parameter slider.
- Mixer widget gets (un)dockable Inputs and Outputs panels, also with 
their respective title captions.
- Plugin instantiation is now constrained as much to prevent any audio 
channel output overriding.
- Existing plugin presets may now be selected right(-click) from plugin 
list context-menu (ticket by Harry van Haaren, thanks).
- So-called "painting" over multiple selected event values, while on the 
MIDI clip editor view pane below the main piano-roll (eg. note 
velocities, controller values, etc.) is now split into two similar 
painting modes, whether the sub-menu Edit/Select Mode/Edit Draw is set 
on (free-hand) or off (linear).
- Drag-and-copy of plug-in instances across tracks or buses (ie. 
cloning) now also copies the direct access parameter setting (ticket by 
Holger Marzen, thanks).
- File/Save As... now prompts and suggests an incremental backup name 
for existing sessions files.
- Zooming in/out increment is now augmented by whether shift /ctrl 
keyboard modifiers are set (on a ticket request by Holger Marzen, thanks).
- LV2 Time position event messages for plugin atom ports that support it 
is now being implemented.
- Attempt to break extremely long audio file peak generation on session 
close or program exit (as reported by EternalX, thanks again).
- MIDI Controllers Hook and Invert properties are now properly saved for 
tracks (after bug report by Nicola Pandini, thanks).
- A segmentation fault when closing with VST plugins open has been 
hopefully fixed (after a patch by EternalX, thanks).
- Messages standard output capture has been slightly improved as for 
non-blocking i/o, whenever available.
- Automation curve node editing has been slightly improved in regard to 
time positioning and resolution.

See also:

Enjoy && have fun.
rncbc aka. Rui Nuno Capela

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