Poor quality on zoom recordings after updating zoom + black boxes on recordings with chat box

I noticed after my last zoom update that two strange things are happening with my zoom meetings and recordings:

1. the quality is markedly poorer than prevously using the same gear (Logitech 922 webcam attached via USB directly)

2. if i open the tool box or a chat box, there is a black box in its place in the recording

Anybody know why this is happening and how I can fix it. Pretty disappointing recording results. 

Thanks!