This is a general issue on the three apps from Affinity, maybe not a bug but a "not a feature" but is a nasty issue.
When you change a setting in a pane, on most cases, you can't use tab key to go to next field. Yes, it works good on the color mixer, but don't work in almost any other panel. You change a field, and the next tab is interpreted as a regular tab instead of going to the next field. That means than most of the time I end with the studios hidden because tab hide it instead of goi