Thanks Adrian! I was testing something unrelated on Windows and noticed the entire urlbar was misplaced somehow, it was just below the toolbar. I wasn't able to trigger it again but wonder if it's related. I think the infobar was visible at the time. That shouldn't matter at all, but since it's part of the toolbar, maybe it's triggering a bug. It was probably the infobar that's shown after you restart once with a new profile, the one that says "Open previous tabs?", but the particular contents don't matter. In your first screenshot the infobar is not visible, but it might have been closed before you took it? Anyway, I'm only guessing it might be related. I'll attach a screenshot of the infobar just so it's clear what I'm talking about. (It does not show the bug)
Bug 2050821 Comment 6 Edit History
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Thanks Adrian! I was testing something unrelated on Windows and noticed the entire urlbar was misplaced somehow, it was just below the toolbar. I wasn't able to trigger it again but wonder if it's related. I think the infobar was visible at the time. That shouldn't matter at all, but since it's part of the toolbar, maybe it's triggering a bug. It was probably the infobar that's shown after you restart once with a new profile, the one that says "Open previous tabs?", but the particular contents don't matter. In your first screenshot the infobar is not visible, but it might have been closed before you took it? Anyway, I'm only guessing it might be related. I'll attach a screenshot of the infobar just so it's clear what I'm talking about. (It does not show the bug and Nova is disabled, but that doesn't matter)