kalaleq

Same issue here on a oneplus 3 running oxygenOS 9.0.3 (android 9), when updating 0.4.4 to 0.6.2b via f-droid. I get a fun crash screen with an upturned bug image....

Aha! Thanks KaiMartin for the hint. It must be something left over by 0.4.4 causing the crash after upgrade. I tried the same as you: uninstall, then re-install 0.6.2b from...