I-Firefox Community Forum

The only Firefox will open a link in a new tab is if I force it to do so by right clicking each link and choosing open in new tab. Before it automatically opened in a new tab.

With FF 140.0 on both WIn10 and WIn11, new tabs opened automatically then closed after less than a second. Initially I thought this was due to malware, but on inspecting the History, I found the source of this annoying behavior:

// SidebarUtil.tab.js

// This is just a placeholder file to be loaded in a temporary tab to check if a sidebar is open and how wide it is.

Is there a way to STOP this sidebar checking with its tab opening/closing without disabling Java entirely ? Is this annoying behavior really necessary in FF ?

hallo zusammen wo finde ich in firefox eine funktion, die mir die zuletzt angesehen und geöffneten tabs wieder herstellt?😐

in den einstellungen ist "Vorherige Fenster und tabs öffnen" angehakt.

es kommt aber wiederholt nach updates dazu, dass die letzten fenster und tabs nicht wieder geöffnet werden, sondern nur 1 tab mit der festgelegten startseite.🤷‍♂

muss ich mich damit abfinden, dass die letzten tabs hin und wieder im nirwana verschwinden? oder gibt es auch dafür einen tipp für laien?🙏

lg whitebird 🕊

Even though I have settings set to load previous tabs when Firefox is started up but when it is restarted it doesn't load the tabs. This has only occurred the last few days. My solution is to select "reopen all windows" which does what I want but also opens several other versions of Firefox. Noteworthy, confusing, but probably not associated: In the course of trying to work through this, I have had a baseball playing on Chrome. I ended up closing out Chrome but the baseball game audio continues even though the Chrome appears to be closed on the taskbar.

Support Firefox to be able to use different tab view modes on different windows! For example, two Firefox windows on different monitors, in my situation below:

- One on a 1920*1080 hori screen, with vertical tab sidebar disabled - One on a 1080*1920 vert screen, with vertical tab sidebar enabled for this window only in this case.

It brings much more convenience, at least for situations just like mine :)

In early June 2025 I finally ditched Windows 10 for 11 and I've been a Firefox user since practically the very beginning of Mozilla.

Now, I notice that the "Restore Previous Session" button in the drop-down of the FF menu is missing. Additionally, I discovered late in the game that Mozilla DID listen to me and gave us the ability to "name" or "tag" an entire window in the browser. This was a HUGE boon to productivity as I'm constantly toggling from window to window to tab to tab.... Now, with the most recent update this ability seems to have disappeared....

Within a few weeks or months, tabs I hadn't closed would suddenly disappear, even though I had checked the "Open previous windows and tabs" option in the settings.

I regularly use a website which intercepts command-option-up and command-option-down for its own navigation. This is a central part of my workflow with this website, and without it it becomes completely unusable.

After updating to Firefox 140.0.4, these shortcuts are now used by the browser to switch tabs. I have not found any way to configure this. Am I missing some obscure way to do this or is this just impossible?

I imagine this change was made to support vertical tabs, but I'm not using those, so the command-option-left and command-option-right shortcuts make more sense for my horizontal setup. (I don't use those shortcuts either, though- I use ctrl-tab and ctrl-shift-tab!)

Dear Generous Help Volunteers,

I'm running Firefox 128.13.0 ESR (64-bit) on Windows 11 (Lenovo desktop).

If I use a Private Window, does that mean that "Containers" are redundant/not needed? If not, please explain in depth.

If I use a Private Window, does that mean that, while I have the browser open, any temporarily saved data can be accessed by any website? If so, could I use a Container, in a Private Window, only for those sites for which I need to keep cookie(s) (i.e. bank logins, shopping carts, etc.).

I noticed that SOME container extensions let you select to "Allow in Private Windows" and SOME do NOT. I noticed specifically that "Firefox Multi-Account Containers" will not let you select to "Allow in Private Windows", and my understanding is that this is required for ANY Containers to function. Is that correct? It's a bit confusing.

I have had some sites break using the standard browser (with Containers), that will often work if I use a Private Window. Often, all that seems broken is the "Captcha"; it just doesn't appear and the form will not complete without it. However, it works in a Private Window.

I'm a little confused about which does exactly what. I don't use Google or any social media sites and I don't want any of them to have access to any of my information.

I have also encountered an ongoing problem that is very frustrating and time-consuming: When I click a link in a webpage, 10 to 30 tabs will quickly open, instead of only one, and each has to be closed separately. This happens nearly all the time. Is there a solution to this?

With Appreciation & Kind Regards, Anne Fennell

The new group tab feature of latest update of Firefox browser (just downloaded) doesn't actually work. What's detailed in the description doesn't exist. I'm using macOS Sonoma version 14.7.5 Of course it restarted following the upgrade.

I want to view more tabs across the top and opened about:config > browser.tabs.tabMinWidth > and changed value to 75. For the rest of the session it worked. Opening a new session and the tab width is 100 again. Help?

[Improve side bar] Create the ability to create customized tabs and organize pinned and unpinned tabs to categories

in that case it would be more user friendly and increase productivity

How can I move a tab to an open window? I know there is a function in the pull down menu to open the tab in a new window, but I would like to move the tab to a window that is already open. Google and Brave Chrome have a seamless, easy way on the pull down menu. I use it all the time, but I want to keep Firefox as my default browser. Thanks!

in the useless 141 update, pinned tabs now scroll the same way as unpinned ones, this is a problem for my 300+ tabs. I specifically pinned some tabs to have access to them all the time. with the new useless update, I now have to scroll forward/backward 300 tabs. do you really have such low-skilled testers and incompetent programmers that you didn't foresee this situation?

I'm trying to replicate my windows setup in Fedora 42. I have been really liking the new vertical sidebar tabs option in windows. I have a lot of tabs and so rely on inertial scrolling to flick through them quickly.

However, there's odd behaviour with this in linux. With the window protocol set to xwayland, inertial scrolling on the sidebar tabs works, but inertial scrolling does not work in websites. Setting the window protocol to wayland (the general online recommendation to fix inertial scrolling), inertial scrolling in the tab list does not work, making them much less useful.

I have carefully located all tabs in groupings suitable for me. Therefore, I do not want AI to make any changes. How can I ensure that Mozilla's AI does NOT make any changes to the groupings in which I have put my tabs.

Hi Team, I am using Linux Mint 20 Cinnamon. Cinnamon version is 4.6.6. The issue is that I was browsing and by mistake I selected one tab then dragged it for sometime and then released the tab but that created a new window and now the old windows are not visible in ALT + Tab function. The windows are showing in the Firefox task manager and also the box icon in the top right corner in that "open tabs". Now I am not able to even change the window or able to access the opened tabs. Attached the screenshot and as you can see in that there are total 4 windows showing in firefox and one as active but in the bottom on the firefox icon you can see its only 1 window. How can I access the remaining 3 windows? Found one ticket (https://support.mozilla.org/en-US/questions/1477845) in this the recommend solution does not work. When I try to click on the window 1 tabs then I do not get any response. I tried both the solution but none worked.

Thanks for the help in advance. @Mozilla team member is seeing please check and fix this bug if possible.