Note that Astroberry, the Raspian config most users report this from, is still on buster.
- Bug#1000549: Knotifications leaks file descriptors using ... Jens Scheidtmann
- Bug#1000549: Astroberry is buster Jens Scheidtmann
Note that Astroberry, the Raspian config most users report this from, is still on buster.