Hello again,
No more excuses left: please upgrade!
  Qsampler 0.5.3 (end-od-autumn'18) is released!
Qsampler [1] is a LinuxSampler [2] GUI front-end application written in
C++ around the Qt framework using Qt Designer [3].
Website:
  
https://qsampler.sourceforge.io
  http://qsampler.sourceforge.net
Project page:
  
http://sourceforge.net/projects/qsampler
Downloads:
  
http://sourceforge.net/projects/qsampler/files
- source tarball:
  
http://download.sf.net/qsampler/qsampler-0.5.3.tar.gz
  http://download.sf.net/qsampler/liblscp-0.6.0.tar.gz
- source package (openSUSE Tumbleweed):
  
http://download.sf.net/qsampler/qsampler-0.5.3-27.rncbc.suse.src.rpm
  http://download.sf.net/qsampler/liblscp-0.6.0-24.rncbc.suse.src.rpm
- binary package (openSUSE Tumbleweed):
  
http://download.sf.net/qsampler/qsampler-0.5.3-27.rncbc.suse.x86_64.rpm
  http://download.sf.net/qsampler/liblscp6-0.6.0-24.rncbc.suse.x86_64.rpm
http://download.sf.net/qsampler/liblscp-devel-0.6.0-24.rncbc.suse.x86_64.rpm
- AppImage [6] package:
  
http://download.sf.net/qsampler/qsampler-0.5.3-4.x86_64.AppImage
Git repos:
  
https://git.code.sf.net/p/qsampler/code
  https://github.com/rncbc/qsampler.git
  https://gitlab.com/rncbc/qsampler.git
  https://bitbucket.com/rncbc/qsampler.git
Change-log:
- Avoid saving plug-in sampler channels and related devices to regular
LSCP (*.lscp) session files.
- Fixed MIDI and Audio device selection on the common sampler channel
settings dialog.
- Old deprecated Qt4 build support is no more.
- AppStream metadata updated to be the most compliant with latest
freedesktop.org specification and recommendation.
License:
  Qsampler [1] is free, open-source Linux Audio [4] software,
distributed under the terms of the GNU General Public License (GPL)
version 2 or later [5].
See also:
  
http://www.rncbc.org/drupal/node/1957
References:
 [1] Qsampler - A LinuxSampler Qt GUI Interface
     
http://qsampler.sourceforge.net
 [2] LinuxSampler - The Linux Sampler Project
     A modular, streaming capable, realtime audio sampler
     
http://www.linuxsampler.org
 [3] Qt framework, C++ class library and tools for
     cross-platform application and UI development
     
http://qt.io/
 [4] Linux Audio consortium of libre software for audio-related work
     
http://linuxaudio.org
 [5] GPL - GNU General Public License
     
http://www.gnu.org/copyleft/gpl.html
 [6] AppImage, Linux apps that run anywhere
     
http://appimage.org/
Enjoy && have (lots of) fun!
--
rncbc aka Rui Nuno Capela