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You got more with Firefox in 2025 | The Mozilla Blog
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this post was submitted on 09 Dec 2025
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Tab groups are one of the best features to come to modern browsers the past few decades. Especially the ability to save and close them greatly aided me as a rehabilitating tab hoarder.
Haven't tried vertical tabs yet but it's great to see them implemented in Firefox properly now.
Great to see that PWAs finally coming back, even if it's only on Windows now. Didn't catch that they are working on that again!
I find the link previews to be distracting but they're easy enough to turn off.
Great to finally be able to undload tabs manually. That would have been extremely useful back in my tab hoarding days. Tab unloading is generally quite a neat feature.
The LLM shit can go away for all I care but it's not really that invasive IME. It's one entry in the right click menu that's easy enough to turn off right from said menu for me.
PDF editor upgrades are very welcome.
Right click to search for an image sounds like such an obviously good UX feature; great to see they're thinking about such things again. Sad to see it's Google-only for now but that makes sense given how small and non-standardised the market for reverse image search is.
@kagihq@mastodon.social could you perhaps get in contact with Mozilla so they can implement your endpoint for this too?
genuine question, what's the difference between tab groups and containers?
Tab groups only provide a visual way of grouping tabs purely for organization & tab management considerations. Containers actually separate things like cookies, browsing history, etc. so that the APIs that let you query that in a web app only see things related to the domain of that container, i.e. the sites you have open in it. Containers are actually less of a protection now that Firefox separates cookies and stuff even outside of containers, but they still help break up tracking cookies, etc, so that you maintain a little more privacy than you'd have otherwise. Tab groups do nothing for privacy
right so the auto-grouping of containers that TST has had for years is basically the same thing.
Just curious, what is TST?
[EDIT: oh, tree-style-tabs, got it. Given that, the rest of my comment is superfluous]
But I think there's more to tab groups than what containers provides. You can't collapse all the tabs in one container down into a small representation of that group, for instance. Nor does it provide for a mechanism to move all the tabs in one group together along the tab bar, and reorder entire groups among other groups.
I think their concerns are orthogonal. The only really similar thing about them is that containers use a color coding visual style similar to tab groups. They lack a lot of the niche features that make tab groups really sing