[LAU] [ANN] Qtractor 1.5.4 - An Early Spring'25 Release

Hi everyone,

   Qtractor 1.5.4 (early-spring'25) released!

Change-log:
- Fixed non-zero clip offset conversion on tempo(BPM) time-scale changes.
- MIDI clip step input and overdubbing now aggregated and fully 
undo/redo-able.
- Allow MIDI step input to extend the clip length automatically; also 
avoid step input event duplicates (eg. playing chords in quick 
succession) leading to potential double-free segfault or crash.
- Fixed MIDI track state when clips under record/overdubbing are simply 
removed.
- Fixed all empty/void audio clips that are created when aborting an 
armed recording session.
- MIDI clip editor (aka. piano-roll): simply allow a MIDI track to be a 
ghost of itself.
- In addition to clips and markers, automation curves and tempo-map 
nodes now also contribute to the total session length and status.
- Fixed command line parsing (QCommandLineParser/Option) to not exiting 
the application with a segfault when showing help and version information.


Description:
   Qtractor [1] is an audio/MIDI multi-track sequencer application 
written in C++ with the Qt framework [2]. Target platform is Linux, 
where the Jack Audio Connection Kit (JACK [3]) for audio and the 
Advanced Linux Sound Architecture (ALSA [4]) 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:
   https://qtractor.org
   https://qtractor.sourceforge.io
   http://qtractor.sourceforge.net

Project page:
   https://sourceforge.net/projects/qtractor

Downloads:
   https://sourceforge.net/projects/qtractor/files
- source tarball:
   https://download.sf.net/qtractor/qtractor-1.5.4.tar.gz
- source package (openSUSE Tubleweed):
   https://download.sf.net/qtractor/qtractor-1.5.4-11.1.rncbc.suse.src.rpm
- binary package (openSUSE Tubleweed):
  https://download.sf.net/qtractor/qtractor-1.5.4-11.1.rncbc.suse.x86_64.rpm
- AppImage [7] package:
   https://download.sf.net/qtractor/qtractor-1.5.4-11.1.x86_64.AppImage
- Flatpak [8] package:
   https://flathub.org/apps/details/org.rncbc.qtractor

Git repos:
   https://git.code.sf.net/p/qtractor/code
   https://github.com/rncbc/qtractor.git
   https://gitlab.com/rncbc/qtractor.git
   https://codeberg.org/rncbc/qtractor.git

Wiki:
   https://sourceforge.net/p/qtractor/wiki/
- static rendering:
   https://qtractor.org/doc
   http://qtractor.sourceforge.net/doc
   https://qtractor.sourceforge.io/doc
- user manual & how-to's:
   https://download.sf.net/qtractor/qtractor-manual-and-howtos.epub
   https://download.sf.net/qtractor/qtractor-manual-and-howtos.pdf


License:
   Qtractor [1] is free, open-source Linux Audio [5] software, 
distributed under the terms of the GNU General Public License (GPL [6]) 
version 2 or later.


References:

  [1] Qtractor - An audio/MIDI multi-track sequencer
      https://qtractor.org
      https://qtractor.sourceforge.io
      http://qtractor.sourceforge.net

  [2] Qt framework, C++ class library and tools for
      cross-platform application and UI development
      https://qt.io/

  [3] JACK Audio Connection Kit
      https://jackaudio.org

  [4] ALSA, Advanced Linux Sound Architecture
      https://www.alsa-project.org/

  [5] Linux Audio consortium of libre software for audio-related work
      https://linuxaudio.org

  [6] GPL - GNU General Public License
      https://www.gnu.org/copyleft/gpl.html

  [7] AppImage, Linux apps that run anywhere
      https://appimage.org/

  [8] Flatpak, next-generation technology for building and distributing
      desktop applications on Linux
      https://flatpak.org/

See also:
   https://www.rncbc.org/drupal/node/2756


Enjoy!
- - -
rncbc aka Rui Nuno Capela
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