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How can I remove the overlay of the MRU tab switching?
In Firefox 63, when the Most Recently Used tab switching is selected, and when using it by Ctrl-Tab, there is an overlay and I need to press Enter to apply.
Is it possible to remove the preview? (There no such thing like browser.ctrlTab.previews in about:config) Or why I need to press Enter?
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https://addons.mozilla.org/en-US/firefox/addon/behind_the_overlay/ Behind The Overlay by Nicolae Namolovan
One click to close any overlay popup on any website. Use keyboard shortcut Cmd+Shift+X (Mac OS X) or Ctrl+Shift+X (Windows / Linux).
That is how this feature works. You would that to disable MRU and remove the checkmark on "Ctrl+Tab cycles through tabs in recently used order" to hide this pop-up.
- browser.ctrlTab.recentlyUsedOrder = false