I'm pretty sure there is already a thread for this, but I can't find it at the moment.
Occasionally the screen will be black, but audio will play, when starting playback of a recording. Backing out and restarting playback cures the problem.
Submitted diagnostics from the client. 1948951d-e13e-41b0-b807-3bab471f5219
Shield Pro 2019 with the dreaded update but no hotfixes.