Hi! I'm able to reproduce this, and my theory is that it's a problem where Firefox is filling the username/password right away as soon as those fields appear in the page, which happens to be before Vanguard is "ready" those fields to get a value (and...
This feature is tracked in https://bugzilla.mozilla.org/show_bug.cgi?id=1945962 and https://bugzilla.mozilla.org/show_bug.cgi?id=1896734We're supportive of the feature and we plan to implement it when we've got engineering resources available to devo...
To illustrate Tor's feature a bit, here's how an extremely-plain website looks in TorBrowser with "content alignment: top" vs. "content-alignment: middle".
Top:
Middle (notice that now there's a strip of purple dead-space between the URL bar and the...
Hi! I think you're misunderstanding what that TorBrowser option actually does -- it's not something that could coherently be added to Firefox.That "content alignment" config option isn't a standalone feature -- it a *piece of a broader anti-fingerpri...