If you hide the button, you will never notice that this feature exist, basically what this flag does is remove the option in Settings<Appearance (and also the entry in the context menu). Many insiders "begged" for this flag to appear when the feature was only available to a few users, now is a little late because "Vertical tabs" is no longer part of the "controlled feature roll-outs".
But remember what Chromium developers always say, that the flags should not be used to personalize the browser, they are temporary and will disappear eventually, in fact, it could be possible that, by the time this feature reaches the stable version, Microsoft has already removed this flag.
It wouldn't surprise me. LOLBut remember what Chromium developers always say, that the flags should not be used to personalize the browser, they are temporary and will disappear eventually, in fact, it could be possible that, by the time this feature reaches the stable version, Microsoft has already removed this flag
[CANARY] Now when an update is available I get a notification in 3 dot menu
Not very informative:
Version 86.0.622.56: October 27
Fixed various bugs and performance issues.
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