this post was submitted on 17 Jan 2025
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Firefox

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I know this is old news by now, but I was not sure how to activate vertical tabs on all of my browsers. It certainly is not obvious, so I wanted to include the instructions here in case anyone else wants to try it out.

Type about:config into the address bar of Firefox. You'll be greeted with a warning that you are accessing advanced settings - click "Accept the Risk and Continue." Search for the boolean preference sidebar.verticalTabs and set to true. That's it! Enjoy your vertical Tabs!

Edit: You may also need to set sidebar.revamp to true if it is not already/automatically set.

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[โ€“] [email protected] 16 points 10 hours ago (1 children)

Wow, I had no idea this was already built in! Thank you!

I wonder why this feature is "Obscured" like this, maybe it's still in beta?

[โ€“] [email protected] 1 points 2 hours ago

Yeah, pretty sure, it hasn't been officially announced yet, because it is still under development.