Firefox Community Forum

Firefox version 145.0 in Linux Ubuntu 22.04.5 LTS. When I open Firefox all tabs from previous session are gone. On "Startup" I have checked "Open previous windows and tabs". Which worked before but not now. It is very frustrating. How do I fix? The Profile Manager opens the settings and "Open previous windows and tabs" is checked. Checking "ask before closing multiple tabs" doesn't help.

PROBLEM: Pinned tabs are useful, but if I have more than one Firefox window open and I close them in the wrong order, the next time I open Firefox, my pinned tabs are gone and I have to pin them again.

SOLUTION: Pinned tabs should be able to be permanent so that they will re-open no matter which Firefox window is closed first. Is there a way to make this work?

Hi,

I started using the 'Vertical tabs' option to manage my tabs. I prefer it over the horizontal bar. However, I noticed that when going fullscreen (F11) the vertical tabs are not removed. This is different from horizontal tabs, which are removed from the UI when you press F11.

I think that's because vertical tabs are tied to the sidebar altogether. Is there an alternative to have the vertical tabs work the same as horizontal tabs?

Horizontal bar behaviour in fullscreen:

- The horizontal bar disappears when going fullscreen (F11) - The horizontal bar reappears when hovering the mouse over the top of the screen (which is great!)

Vertical bar behaviour in fullscreen:

- The vertical bar does not disappear and gets in the way of the fullscreen (F11) experience - Checking the setting "Expand sidebar on hover" does not replicate the behaviour of the horizontal bar reappearing upon hovering the mouse. Instead, the smaller version of the sidebar remains and it expands to it's full size when the mouse hovers over it - The only option is to remove the sidebar altogether, which means going back to horizontal tabs

I recently updated to Firefox 138.0.1 to use the new tab groups feature, which allows grouping and labeling tabs, as outlined in Mozilla’s support article (expected for all users by May 6, 2025). However, after updating, I don’t see the tab groups option when dragging tabs or right-clicking them. Has anyone else faced this issue? Could it be due to the progressive rollout, a conflicting extension, or a setting I need to enable? I’ve tried restarting Firefox and checking the tab bar, but no luck. Any community solutions or workarounds to enable tab groups would be greatly appreciated! Please share your experiences or fixes.

For a week my pinned tabs are lost every time I open Firefox. I have checked my settings, they were the same as always. I have de-selected them, closed and re-opened firefox, selected them again, closed and re-opened again, pinned my tabs again. Then closed and re-opened firefox and still they are not there. I have done this multiple time with the same results. This seems to have started after the last update.

Before I updated to 142.0.1 when I had a tab group and closed it by clicking on it, all the tabs collapsed into the tab group tab and the only thing I could see was the tab group title tab. This was awesome! I started using it immediately and loved it. Since I updated the tab groups still work, but now, sometimes, when I click on the tab group tab to close the group I see the title tab, one of the tabs included in the group, and a "+2" or however many tabs are hidden. This pretty much defeats the whole idea of having the tab groups in the first place, which to me, was to hide ALL THE TABS under ONE tab to clean up my work area.

The image below shows an example. Note the "eBay" tab group is closed, and yet it shows the tab group tab (eBay), a tab in that group (eBay icon and "Order" with the X to close the tab), and then "+2" meaning there are two hidden tabs. In contrast, the "Simple" and "Web Work" tab groups are also closed and contain 4 and 9 tabs respectively, all neatly tucked under the one tag group tab for each group.

Why is this happening only on some tab groups, and only some of the time? How can I stop this from happening?

After having created a couple of tab groups with some of the numerous tabs that were already open in my browser (Firefox, of course) and then closing and reopening the browser shortly after, no tabs at all reopened even though this is my normal setting for Firefox: open all previous tabs when opening firefox. This setting had always worked before - as it does now with the new tabs. However, all my previous tabs as well as the freshly created groups have vanished. Do you have an explanation and ideally a way of recovering the tabs - or the groups at least? Thank you very much. Kind regards, Kerstin

Despite having the setting "Ctrl+Tab cycles through tabs in recently used order" selected, CTRL-Tab has suddenly stopped cycling tabs in the most recently used order. Firefox behaves as if the setting is disabled. This is the third time I've experienced this issue in the past year, and every time the only solution that worked was to create a new profile. It is exhausting to get a new profile back to exactly how the old profile was, and it's something I shouldn't have to do.

Scenario: I am on Windows 11 (though I think this has also happened to me on Windows 10), currently using version 146.0.1 (though this has happened on previous versions). CTRL-Tab cycles in the most recently used order just fine for several months, then it suddenly doesn't—this happens in the middle of an active session, i.e., not after a restart of the browser nor the computer itself. I have four add-ons, none of which control tab cycling, nor have I added/removed any add-ons nor changed any of their settings since their initial installation many months ago.

What I've tried:

• Disabling/re-enabling the setting (even though it is already checked)
• Disabling/re-enabling the config browser.ctrlTab.sortByRecentlyUsed
• Restarting Firefox normally
• Restarting with add-ons disabled—note that the issue persists even with add-ons disabled
• Disabling the setting, then restarting Firefox, then re-enabling the setting
• Restarting the computer

It's the same thing described in this Reddit thread. What else can I try?

I have a couple questions on tab groups, I'm a new ms edge refuge but this not as smooth as I would like :). I realize tab groups are oddly new for FF, but I'm trying to get setup and running into two main issues. 1. I cant seem to freely reorder the tab groups, I can move the individual book pages no problem but not the groups as a whole. I would expect to be able to left hold click drag the order of the groups just like individual tabs. 2. Tab groups don't seem to exist across clients (or maybe I'm missing the how). If I open FF on my mac I would expect to see or at least be able to reopen the same tab groups as my windows PC, not just the individual pages from history on other device. Is there a way to do this? 3. can't import tab groups from edge? You don't want to make it easy for folks to switch?

Thanks, if I missed something happy to learn.

My selected topic "settings" actually does not really describe my tabs problem. Even though I followed instructions for entering "about:unloads" the expected webpage did not appear. All I got was the same instructions and not a page that included the table and its unload button that was said to be above it. When I select the New Page tab and right click and then select three tabs, the right-click menu only shows the option to "close three tabs." There is not an option to unload three tabs. Yikes! And when I select one tab and click on the one option to unload one tab, the selected tab does not unload. The tab does not unload. The tab does not unload. It is still there. (???) This is very frustrating! I can only close tabs. So far I can only temporarily close them. Could the problem be that I am still using Windows 10? Please advise. Thanks for reading about my problem of not being able to unload my unwanted tabs.

Hello- When I am on a website and click link I would expect and want a new Tab to open-- I want it to open it in a new Tab and leave the page I'm on alone so I can go back to the original page.

Instead, Firefox overwrites that page and the tab with the a new one, and I have to hit the back button to get back to that original page. And most often the back arrow button is grayed out and I can't get back at all.

In settings, I've tried checking the box for: 'Open links in tabs instead of new windows' but that doesn't do it. I've also tried checking the box, 'When you open a link in a new tab, switch to it immediately,' and that doesn't do it either.

I know that a work-around is to hold down the Ctrl key while clicking a link, but I'd like to set it as a default so I don't have to do that. That's a pain and not a natural function when browsing. To be sure, I want to click on links and that creates a new Tab without Ctrl Keys.

Thanks!

I have set the option to "Open previous windows and tabs" at Startup. But sometimes when I restart Firefox it starts out blank. Then I looked into how I could restore previous session but contrary to the article below, I couldn't find "Restore Previous Session" option under Settings/History. Please advise what I am missing. Thanks.

https://support.mozilla.org/en-US/kb/restore-previous-session

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!

So I change the tabs maxim length (i chose 225) because i hate not seeing the name of the tabs that i have open, now i have 10 tabs on my sight on my monitor, i usually open a LOT of tabs for youtube videos or so on, and have a constant of 40+ tabs open

the issue is when i scroll through the tabs with my mouse wheel, it jumps 10 tabs at once, now i see the arrows on the side of the tabs, my monitor is Ultra Wide so is annoying to keep pressing that Scroll backwards & Forwards button especially when the speed is to slow, while my mouse wheel speed is in 10 tabs TO fast!

Is there a way to change the Speed of the mouse wheel scroll tabs ? something in about:config ? or a Add-on?

https://support.mozilla.org/en-US/questions/1248171

I saw bunch of threads which suggest to enable "ctrl+tab cycles through tabs in recently used order". It does what I need, but in previous versions I used to press only ctrl+tab. While I was holding ctrl I could iterate over tabs via tab key. After releasing ctrl selected tab was chosen

It differs with current behavior where you press ctrl+tab and after releasing all keys pop up with tabs is still be viewed and you need manual action with space/enter/mouse click to open selected tab

Is there any way to use only ctrl+tab without any manual actions required like it was back in the days where after releasing the control key selected tab is opened?