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In Protonmail (or is it Firefox?), while reading email I discovered that my tabs apparently disappeared, but then I discovered that my tabs and my Protonmail are now in separate browser windows. Is that because of the update, or something else? I really want my browser to keep my Protonmail tab in the same browser window. HELP.

Hi, My browser won't save the open tabs. I lost my tabs multiple times now, I don't even bother opening them back up now, but it's annoying. I have activated ( and disabled/enabled ) the setting to open previously open tabs on startup.

What can I do ? thanks

When checking out the new features the ' Learn More' link under Tab Groups directs to the article explaining Pinned Tabs, there is no way to get to the explanation about Tab Groups

Numerous tabs appear whenever I open Mozilla. I have used them at some time in the past, but never all on one occasion. SOME WERE LAST USED AT LEAST SEVEN MONTHS AGO.

Related may be that sometimes when I follow a link on one website, the destination appears on my screen as a new opening of Mozilla. The previous site(s) are completely obscured

Until the most recent version(s) (at least through 148), if I have multiple windows open, the restore tab hotkey (control + shift + t) would open a closed tab in the previous window it had been closed in. Now, it opens the tab in whichever window I currently have focus on. It also used to remember the tab's previous location with regards to order among other tabs; now it opens it at the end of all tabs.

Example: I have two windows open, window A and window B. Window A has 5 tabs; window B has 10 tabs. I close tab 3 of Window B.

Old behavior: Pressing restore tab hotkey (control + shift + t) would cause the closed tab to always open in window B regardless of which window currently had focus, and would open it between tabs 2 and 4, as tab 3 again.

New behavior: Pressing restore tab hotkey (control + shift + t) will now cause the closed tab to open in whichever window has focus, A or B, and open as the last tab; for instance, if I am in window A, it will open as tab 6, if I am in window B, it will now open as tab 10, instead of tab 3.

Is there any way to restore the old behavior? At the very least, to get the windows to separate out the restore tab lists? I don't want tabs restoring to incorrect windows.

Hello community,

I've been moved to MacOS at work and since then, Firefox will not always restore my pinned sites when I start it the next day.

Here is what I do:

1. Right click a tab, select "Pin Tab"
2. Go about my day
3. At the end of the day, I close Firefox by using command Q and shutdown my Mac
4. The next day, I start Firefox and most of the time, my pins are gone

I did not have this issue on Windows Firefox. I am using MacOS 26.5.2 and Firefox 152.0.4 Firefox says "Your browser is being managed by your organization" in settings. It is a link that can be clicked and the only active policy showing there is "DisableAppUpdate" which I assume is because we have our own tool to manage software updates.

Any idea what could cause my pinned tabs to disappear? I did not really customize the settings so far, I do NOT clear browsing data when exiting FF and the startup option "Open previous windows and tabs" is NOT selected. I have Ecosia and 1Password as plugins.

Any help appreciated, thank you.

In an accounting/payroll software application, a new window opens instead of a new tab. How to I fix this?

I've already tried about:config method as well as the simple 'tabs and browsing' method within Firefox settings. Nothing seems to work.

I am using Firefox on Linux Ubuntu 26.04. I normally work with multiple tabs. Then I quit Firefox with all tabs open at the point of quitting. Some times on the rare occasion there can be a forced quit due to some issues. In my settings I have configured it not to open the previous tabs. In fact I want a blank page. But whenever I reopen Firefox, it opens those tabs and tries to reload which is annoying. Some of these pages take a long time to reload, and why would I want to look at tabs which I already have read. Or if it crashes due to some website on a tab why reopen something that crashed in the place ? Can you fix this. Thanks.

Windows 11 expensive high performance tower PC. When I am closing Firefox I am warned that I am about to close 80+ tabs although. I actually had only 13 tab groups (closed) and one ordinary tab open (The New York Times) I close Firefox anyway and ALL the group tabs disappeared.

Sometimes, when I am warned that I am closing 80+ tabs, they luckily they haven't disappeared upon restarting Firefox. This happens often.

I know how to reconstruct my tab Groups proceeding from listing all tabs.

Sometimes the tab groups don't disappear. It makes no difference whether I start a Firefox session on my just rebooted PC (and run PC for a minutes only using Firefox) or not. When I recently closed Firefox I could see from task manager that there was minor activity showing in the Firefox app which surprised me. I hope you have an idea of what might be occurring. I'm not a novice, I purchased my first PC in 1989

Thank you, Anita

Moderator note: This question has been edited to fix the formatting.

Hey guys, so I always have a bunch of tab groups as it helps me organize my tabs. But every time I accidentally close Firefox or my pc resets, all the tab groups are gone. UNLIKE google chrome where, even if I close chrome they will be on the toolbar for me to open again. So could you please add this feature on firefox as well because this is getting very irritating because I have to open the individual tabs again and again? Thank you.

I love the browser and use it daily with Android phone and Linux laptop.

Concerning the new Android version, it is great. But please, bring back the select all tabs function. I like to save and backup my tabs by sharing them externally, and selecting them one by one is a very slow process.

Appreciate!

How can I expand horizontal pinned tabs? This tiny icons that now appear are useless, especially if you want multiple Google tabs, i.e. for search, maps, mail, they all appear as the Google "G"

Hello all,

I can see that I can access hidden tabs from firefox menu > History > Hidden Tabs. I have non hidden tabs in my permanent session that is saved/reload whenever I close/open Firefox.

I searched in the support section of Mozilla and found that I can use extensions to hide tabs and find these hidden tabs through History > Hidden Tabs to access or simply unhide any of those tabs.

My question is what would be the benefit of hiding any tab? For privacy? If so, is hiding tabs really efficient to protect tabs content and/or browsing history?

I could see that some extensions offer to protect hidden tabs with a password and even automatically unload tabs upon hiding them.

Thanks in advance to shed some light on this hiding feature.

What have you done to the Settings feature? It's a mess with those weird little icons on the side. I am just trying to figure out why my tabs keep closing on me. I can have about six tabs open with intention of going back to them, and then..poof.. they disappear. I went into Settings to see what I might have changed but I can't figure this out.

Hope you can help. thanks.

Is it a bug? Is there a way to turn it off? It's too easy for me to accidentally close a tab this way. I cannot reproduce in Troubleshoot Mode but I can't find any setting or installed extension that seems to control it.

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I can not seem to find the button to open a saved, closed tab group. I have googled, and there seems to be a lot of people with the same issue. However, None of the information given under those forums provides me with a clear, easy solution. Please help.