Comment 15 for bug 1948882

I am very unfamiliar with flatpak, but I noticed that current Debian sid includes PulseEffects 4.8.7. I've downloaded the following set from there: pulseeffects main package, the supporting set of gstreamer1.0-*-pulseffects packages, and also newer versions of libglibmm-2.4-1v5 and libgtkmm-3.0-1v5 that were required by dependencies. And, finally, upgraded DConf packages back to their normal Jammy version. Now everything seems to work well. PulseEffects starts normally.