Working extensions in system tabs

[Dott]

I wanted to say a huge thank you for the Firefox 157 update! The new Nova design for the tabs looks absolutely amazing and feels incredibly smooth. It's a fantastic visual upgrade, and I'm really enjoying it.

However, I have one feature request that would make the experience perfect for me. I am a heavy user of keyboard-navigation extensions like Vimium. Currently, extensions are blocked from working on internal system pages (like about:preferences, about:addons, and the built-in New Tab page).

Could you please consider adding an advanced setting (perhaps in about:config or as a toggle in the settings menu) that allows users to explicitly enable extension support on these system tabs? Navigating the entire browser using only the keyboard is a vital part of my workflow, and having it break on internal pages is quite disruptive.

Thank you for your hard work and for listening to user feedback!

[kelimuttu]

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