What I did:
turning on dark mode on macOS catalina
What happened:
some parts of the app did not turn black, as depicted below
usually it’s the background of the center column where the notes reside that refused to turn black.
This issue resolves after the app was forced to shutdown and rebooted
Things that might be helpful to know (Agenda version, OS and model, etc):
Macbook pro Retina 13’ mid 2015. running macOS Catalina 10.15.1
Agenda ver.9.0