New behavior for Vertical Tabs button on Edge canary
previously clicking on vertical tabs button would immediately switch between horizontal/vertical tab strips. now when you click on it, not right-click, but regular left-click, you get 3 options: Turn on Vertical tabs Recently closed (which opens history flyout and shows you recently closed tabs) Add all tabs to a new Collection Microsoft Edge Version 91.0.862.0 (Official build) canary (64-bit) CFR Also, it's no longer called vertical tabs button in Edge settings, now called tab actions menu
