Bluetooth Audio Stutters and Drops Out on RPi

Going back to the KDE Mercury ARM build for the RPi I have not been able to get bluetooth audio working smoothly. Audio signal stutters and drops out, and is essentially unusable. I’ve tried multiple headsets/earbuds with no difference - nothing works. HDMI audio works normally - but it’s not wireless… Currently using Titan, KDE Plasma 6.18.20-1-rpi-16k, on an RPi5. Since it is technically unsupported is the RPi5 the problem?