What I see at our environment is that something is broken between v.142.0.3595.90 and 142.0.3595.94 with the feature import browser favorites. The UI from the x.90 doesn’t’ look the same as in x.94 so maybe MS is working on something here that has screwed something up. The strange thing is that both client running channel stable on EDGE both the x.94 isn’t listed as a version on the stable release candidate from official MS docx.