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The latest firefox update introduced tab groups, something I've been eagerly waiting for ever since chrome released it!

However, my firefox's tab groups don't hide the tabs correctly. In the video demo I see that when you click on the name of the tab group, it should collapse all the tabs and hide them.

In my firefox, when I click the tab group name, the tabs don't get hidden as expected.

Here is a video that shows the bug I'm referencing: https://imgur.com/a/8ewW1a2

I tried disabling all my extensions and restarting firefox, also tried in private mode, and it still was having the same experience.

Are there any about:config settings that I might have accidentally changed that could be causing this?

Thanks!

How will I know when Tab Groups is available to me. When it is available will it be an extension or built into a version DISREGARD THIS QUESTION I HAVE THE ANSWER

I had a Firefox update yesterday, April 29th. Since then, my Bookmarks sidebar no longer opens automatically when I open my Firefox browser. I have to go to the sidebar icon at the upper right of my screen to open the Bookmarks. I went to my settings, and the box for automatic opening was not checked. I checked the box, and it still does not function. Any ideas as to what the problem is, and what the solution could be?

Hi,

In my Firefox Developer install the new tab groups feature seems to now be working like one would expect, but my main Firefox install (Firefox desktop 138.0 (64-bit)) has some issues.

I can add tab groups, add tabs to groups, but left mouse clicking the colored tab header does NOT close the tab group, like it does in Developer browser. Mode of tab group clearly changes, as the tab is either dark or light colored after a mouse click.

I don't remember changing any other settings lately in about:config, except setting tabs.groups feature to true, and I don't have too many extensions installed, and I also tried disabling all the extensions, but that didn't help.

I like the new consolidated tabs feature, can an indicator be added to show when sub tabs (web page links) have received notifications? For example: I get an email but don't know it because the colored tab doesn't indicate it. So I have to open all tabs to see which ones have new notifications. I have multiple emails, messages etc... within the main tab but no way to know if a message has been sent without opening the tab.

Are you satisfied with the way it behaves? Do you find the tool awkward to use? Extremely sensitive to movement during capture. Tends to jump around, for lack of a better term. I just tried to copy a portion of a page, and during the in the attempt, it jumped to the bottom of the page, and there was no way to adjust back, so i have to start over.

The other day I wanted to save a full page, but both buttons would only "Save visible". No scroll.

Why is the no option to save in another format? The help article here says you can convert it afterwards.

Hasn't they been enough time to make a few small refinements.

Can you suggest an addon that will do the same jobs better?

Greetings...

I am a frequent user of multiple tabs whenever I use Firefox. As a result, the new Tab Groups feature interests me, primarily if it will help my to organize and manage my multiple open tabs. Initially, I have the following specific questions.

Q: Is there a maximum quantity of tabs that a Tab Group can contain?

Q: Is there a maximum quantity of Tab Groups that can be open at the same time?

Q: Does the use of one or more Tab Group negatively affect the performance of my web browser?

Q: Can a Tab Group be bookmarked? (Periodically, I need to bookmark a group of open tabs and I am currently able to do so by selecting all of the tabs then bookmarking them as a set.)

Q: Does the new Tab Groups feature represent a way to reduce the number of open tabs that appear at the top of my web browser - basically, a way for multiple open tabs to occupy a smaller space versus scrolling them across the top of my web browser?

Thank you very much for your feedback! Take care...

I think it would be very helpful to the general user-base to have instant intelligent access to their information in a way that is sandboxed from the website that is requesting information. The only thing keeping me using chrome is the intelligent autofill. Many websites do not autofill. This issue is also present on firefox for android. Single sign on applications have difficulties on android as well when using mozilla password manager, as it does not get its secure "unlocked" status from the android system. This results in needing to unlock the password manager on the keyboard every time, often making the user lose the text field they had their cursor on.

Dear Mozilla Support Team,

I hope you're doing well. I'm writing to request a feature enhancement for Mozilla Firefox that would greatly improve the user experience, especially on lower-end or older hardware.

Currently, whenever I open Firefox after closing it, it takes about 2–3 seconds to launch. In comparison, Microsoft Edge opens almost instantly due to features like Startup Boost and background mode, which allow it to keep essential processes running even when the main window is closed.

I would love to see similar functionality in Firefox — such as:

An optional "Startup Boost" feature to keep Firefox running in the background for faster launching.

A tray icon mode that allows Firefox to stay running in the system tray instead of closing completely.

A setting to allow background updates or session prep on startup/login.

These additions would make Firefox even more competitive in terms of performance and convenience.

Thank you for your continuous efforts in maintaining a privacy-respecting and open-source browser. I truly appreciate your work.

Best regards, RIYYAN AMIR

I found the tab groups more annoying than useful, so I went into about:studies and removed it, but doing so just makes a study entirely disappear with no way to bring it back if you misclicked, so that made me wonder, is removing studies permanent? Is it impossible to opt back in once you've opted out of a particular study?

I'm not particularly regretting my choice in this case, but it made me nervous how easy it would be to lose access to a feature just by accidentally clicking the wrong thing.

Is there a way to remove the thumbtacks and rounded edges off the shortcuts in the newest version?

I love Firefox otherwise, but the thumbtacks look terrible and are distracting. I use the shortcuts dozens of times daily to open my most frequent sites.

Please remove the thumbtacks and overly rounded edges in the new version.

Is there a way to hide the thumbtacks?

I couldn't find a proper category for this. Why does Mozilla make it hard to figure out where to report a bug? And then once you find where you need to be, they force you to create an additional login (something EVERYBODY wants to do more than necessary) to actually report the bug.

Yay, just what I want to waste time doing. I was hoping I could create another useless account somewhere with a new username and password to fill up my password manager with more junk. Thanks Mozilla!

Brought to you by the UI designer who thought it would be a good idea to remove all semblance of separation or delineation between individual tabs. This guy probably defiantly refuses to shave a break in the unibrow he got teased for mercilessly in high school.

First, thanks for introducing this feature [which is not the same as whole page translation]. It fills the gap created when, years ago, Mozilla disabled a translation plug-in. IMHO it's not ready for prime time, because:

1. When I highlight a word or phrase then r-click and Translate, this feature offers to translate From English, To English. Don't need software to do that. Even if, on same web page, I set source language to Italian, when I try to translate another section, the tool defaults to no-op same language. For many years other translation tools have been fairly good at detecting source language. Do I really have to download languages for ONline translation (as in "Set your language and site translation preferences and manage languages downloaded for offline translation.")? Anyway, without language detection the tool loses much of its value.

2. Even once you make the effort to set source language, the translation is often wrong, sometimes simply repeating the selection.

So, nice idea, yes you say "Beta" but it feels more like "Alpha."

I've been noticing that on some websites, certain fonts are hard to read. For example, the letter "e" being too bold or "i" looking like an "l", and "c" sometimes looking like an "o". Those are just a couple of cases. I've attached an annotated screenshot to show this issue.

Hi all,

I’m a longtime Mozilla supporter, and I really value the organization’s commitment to openness, transparency, and user-first principles. That’s why I was surprised to see that Mozilla continues to partner with AccuWeather, and I wanted to open a respectful conversation about it.

AccuWeather’s CEO, Barry Myers, has a long and well-documented history of lobbying for the privatization of weather data. Under his leadership, AccuWeather pushed for legislation like the National Weather Service Duties Act, which would have prevented the National Weather Service (NWS) from offering public forecasts if private companies like AccuWeather were already doing so. Critics including meteorologists and open-data advocates warned that this would effectively limit public access to life-saving weather information.

Myers was later nominated to head NOAA during the Trump administration, despite his deep ties to AccuWeather and multiple ethics concerns. To make matters worse, in the present day, we’re seeing reports that NOAA is being actively dismantled from within—through budget cuts, leadership changes, and political pressure that favor privatization. These efforts echo the same ideology AccuWeather has historically supported: turning essential, public-facing weather data into a for-profit model. This is especially alarming in a time of increasing climate instability, where equitable access to accurate forecasting should be a public right, not a premium service.

Given Mozilla’s dedication to transparency, public interest, and open access to information, I’m genuinely curious how this partnership with AccuWeather aligns with those values. Has this relationship been re-evaluated recently? Or are there specific factors that Mozilla considers when forming or continuing partnerships with companies whose practices may not reflect Mozilla’s core mission?

This isn’t meant to be combative—I really do want to understand the reasoning behind this decision, and whether the Mozilla community has discussed these concerns internally. I’d also welcome thoughts from other community members who may have more insight.

Thanks for reading.

Hi there,

I enabled the new tab groups feature the other day - having used it in Chrome on my work computer, I know how useful it can be.

However, it doesn't seem like there's any way to collapse tab groups and just leave them as like a square to be opened and closed just by clicking on the tab group? Am I mistaken here? Every time I try to click on the tab group to close it, the tab group just changes color (i.e., goes from blue background with white text to blue text on a white background) and none of the tabs are collapsed into the group (i.e., they just stay on the tab bar, and I'm shifted to a different tab).

Is this happening for other people? Is this what is supposed to happen? Is there some setting that I need to enable? I've tried seeing if it's conflicting with any my add-ons, and I haven't found anything just yet. I'm awfully confused, so I'm hoping someone can help explain what might be amiss here. Thanks in advance.

I am currently using Firefox Desktop Version for Mac 137.0.1. I tried to use the new vertical side bar instead and even though my browser is in dark mode, the vertical side bar is in light mode. Please, see attached image.