SUMMARY when a remote pulse server is used with PULSE_SERVER="192.168.1.1" kmix, kmix changes the volume of the remote and local instance when the volume is changed with the volume up/down button STEPS TO REPRODUCE 1. PULSE_SERVER="192.168.1.1" kmix 2. press volume up or down button OBSERVED RESULT kmix changes the volume of the remote and local instance EXPECTED RESULT kmix changes the volume of the remote instance only SOFTWARE/OS VERSIONS KDE Plasma Version: 6.1.0 KDE Frameworks Version: 6.3.0 Qt Version: 6.7.1 Kernel Version: 6.9.5 (64-bit) Graphics Platform: X11 Processors: 8 × Intel® Core™ i5-8365U CPU @ 1.60GHz Memory: 38.8 GiB of RAM Graphics Processor: Mesa Intel® UHD Graphics 620
with this setup it worked as expected KDE Plasma Version: 6.0.4 KDE Frameworks Version: 6.1.0 Qt Version: 6.7.0 Kernel Version: 6.8.9 (64-bit) Graphics Platform: X11
disabling the "Audio Shortcuts" background service fixes the bug