This problem also affects me with Zoom. I am also using a Dell Precision
5520 with Intel HD Graphics, and disabling animations in Tweaks /
Appearance / Animations fixes the problem for me.
I arrived at this thread by Googling the last few frames in my coredump:
```
$ gdb /usr/bin/gnome-shell -c
Public bug reported:
I am unable to get sound to play through my Bluetooth headset. For the
first few seconds, the headset plays a random series of tones. After
that, it remains silent. When it is set as the audio output, any
application that tries to play sound freezes or crashes (including the
