Plexamp Flatpak/AppImage - Does not start playback until audio device switched

I’ve started experiencing a weird issue with the Plexamp flatpak on Linux recently. Basically when I launch the app and first try to play a song, there’s no audio output and the playback seekbar will keep skipping backwards/forwards by 1 second.

The only way I can fix this is to go into the settings and change the audio device and then back to Pulseaudio, but I have to do this every time I open the app. I’ve had this happen on two different Linux desktops, one Debian 12 and the other Debian 13. No other applications besides Plexamp have any issues like this. I cleared out its data folder under ~/.var, and that fixed it exactly one time, but then after closing/reopening the app it starts doing it again.

I’m getting the same behavior with the latest AppImage too.

When I downgrade from 4.12.4 to 4.12.3 I no longer have the issue.

Also reported to GitHub for posterity: 4.12.3 - Does not start playback until audio device switched · Issue #270 · flathub/com.plexamp.Plexamp · GitHub

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Having same problem on fedora 42

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Ditto, Debian 13.

yep Linux Mint as well

I also confirmed this on Manjaro with PipeWire.
I tested the AppImage and Flatpak, and found the same problem.