After a cumulative total of too much time spent tinkering, I've finally gotten my ESSX8336 sound setup working on xubuntu.
One of two remaining issues is that from time to time, audio and video across all applications will cease to play, with YouTube videos buffering endlessly for example.
This is fixed by restarting PipeWire, so its a minor issue but clearly one I would rather fix.
Any help in determining the root cause would be appreciated!

I have included some basic system information here if it helps, please let me know if anything else is needed: