(In reply to :Gijs (he/him) from comment #3) > Ah, and of course immediately after posting that, I think I've found reliable STR: > > 1. ctrl+mousedown on a tab > 2. move mouse down > 3. release ctrl but not the mouse, then hit escape (I'm guessing other ways of dismissing the menu might also work, but this reproduces reliably for me) > > I can't seem to reproduce with either the double-finger tap or click-in-right-corner-of-the-trackpad set up to open the context menu. > > This would suggest to me this is another nightly-only bug that is caused by bug 1615732; flipping that pref (`dom.event.treat_ctrl_click_as_right_click.disabled` to false) should work around it. I can confirm that I was using ctrl+click, and that setting `dom.event.treat_ctrl_click_as_right_click.disabled` to `false` prevent the unwanted behaviour.
Bug 1708680 Comment 4 Edit History
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(In reply to :Gijs (he/him) from comment #3) > Ah, and of course immediately after posting that, I think I've found reliable STR: > > 1. ctrl+mousedown on a tab > 2. move mouse down > 3. release ctrl but not the mouse, then hit escape (I'm guessing other ways of dismissing the menu might also work, but this reproduces reliably for me) > > I can't seem to reproduce with either the double-finger tap or click-in-right-corner-of-the-trackpad set up to open the context menu. > > This would suggest to me this is another nightly-only bug that is caused by bug 1615732; flipping that pref (`dom.event.treat_ctrl_click_as_right_click.disabled` to false) should work around it. I can confirm that I was using ctrl+click, and that setting `dom.event.treat_ctrl_click_as_right_click.disabled` to `false` prevents the unwanted behaviour.