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Tabs Unexpectedly Opening in New Windows in Full-Screen Mode on MacOS

Hi firefox community, I am using Firefox version 127.0.2 as my main browser on MacOS Sonoma 14.5. For the past few months, when using Firefox in Mac's full-screen mode, … (read more)

Hi firefox community,

I am using Firefox version 127.0.2 as my main browser on MacOS Sonoma 14.5. For the past few months, when using Firefox in Mac's full-screen mode, I've been experiencing an issue where one of the multiple open tabs unexpectedly displays in a separate window the moment I click on it.

This behavior didn't occur previously, and I believe it started happening about 3 months ago. It doesn't happen every time, but occurs a few times a day when I least expect it, making it difficult to identify the specific conditions that trigger it. I use a Magic Trackpad, and after switching to full-screen using the three-finger gesture, the moment I try to activate a specific tab, that tab alone displays as a separate window in full-screen mode.

Is it possible that a Firefox version update has changed this behavior? If this is a Firefox issue, is there a way to capture debug logs to have the developers investigate it?

Alternatively, if there's an option to prevent tabs from opening in new separate windows, that would be an effective workaround. Could you please let me know if such an option exists?

Best regards,

Asked by ate.fleeced05 6 days ago

Answered by cor-el 5 days ago

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moving tabs back to below menu bar

Firefox updated and now my tabs are above the address bar, I hate it. I have went through all the information I could and created a new chrome folder, downloaded the css … (read more)

Firefox updated and now my tabs are above the address bar, I hate it. I have went through all the information I could and created a new chrome folder, downloaded the css and changed user preferences but it sets the tabs to the bottom of the screen not just below the address bar. I think I need a different set of code for the css but cant find a copy. Does anyone know what to do?

Asked by sharkeyandgeorge 3 years ago

Answered by sharkeyandgeorge 3 years ago

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Disable tab animations (FF 102)

An old question but seems like the about:config parameters have changed recently. the following don't exist anymore : toolkit.cosmeticAnimations.enabled ui.prefersRe… (read more)

An old question but seems like the about:config parameters have changed recently. the following don't exist anymore : toolkit.cosmeticAnimations.enabled ui.prefersReducedMotion

I've searched with other keywords but couldn't find the new one.

Asked by caetano1 1 year ago

Answered by Terry 1 year ago

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Recover pre-previous session

I had a number of tabs open today (~40). Because Firefox started to malfunction, I had to restart Firefox. It happened to me before and I knew that I can restore my previ… (read more)

I had a number of tabs open today (~40). Because Firefox started to malfunction, I had to restart Firefox. It happened to me before and I knew that I can restore my previous session so I safely closed the tabs.

When I restarted it, I opened a tab and then I tried to open the Application Menu, but accidentally closed the window. Now, when I've re-opened Firefox and attempted to restore the previous session only that last tab appeared.

Is it possible to recover the pre-previous session? I use Ubuntu 18.04. Where is this information located? and how can I retrieve it?

Asked by amberbear 2 years ago

Answered by Dropa 2 years ago

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several weeks ago, i noticed that my tabs that i have had open for months no longer were present when i had occasion to open firefox. i think it happened after update 98.0.2 was installed.

several weeks ago, i noticed that my tabs that i have had open for months no longer were present when i had occasion to reopen firefox after i had shutdown computer. i t… (read more)

several weeks ago, i noticed that my tabs that i have had open for months no longer were present when i had occasion to reopen firefox after i had shutdown computer. i think it happened after update 98.0.2 was installed. i have searched help, etc. one solution that was my exact problem did not apply to me because the screenshots the contributor was using were not present on my version of the browser (or it is always possible that i was lost). this issue is a pain and i sure would appreciate any help thanks, Steve

Asked by scturn48 2 years ago

Answered by scturn48 2 years ago

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Middle Mouse opens link in 2 tabs / closes 2 tabs constantly

Hi Firefoxes! I updated to the latest and greatest 99.0.1, whenever i use the middle mouse button it opens every link in 2 tabs. Also when i middle mouse on a tab, 2 tabs… (read more)

Hi Firefoxes! I updated to the latest and greatest 99.0.1, whenever i use the middle mouse button it opens every link in 2 tabs. Also when i middle mouse on a tab, 2 tabs are closed. Anyone came along this bug? Restarting FF and Windows did not help. Trying to get my notebook charged and check it on my macbook.

TYVM! Best regards, -John.

Asked by rayben1 2 years ago

Answered by rayben1 2 years ago

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Inappropriate sharing of tabs between personal and work computers

I have two computers, one for personal use and one for business. Somehow the tabs between the two computers are being shared and I cannot disable it. Both browsers are si… (read more)

I have two computers, one for personal use and one for business. Somehow the tabs between the two computers are being shared and I cannot disable it. Both browsers are signed into different Firefox accounts, Sync is turned off on both, and there are no connected devices. Yet despite that, when I go to one computer, it pops up a Firefox icon (see attached) in the taskbar that lets me open the tab open on the other computer. This is incredibly frustrating and Firefox should not automatically share this information, and should not make it so difficult to disable.

Asked by ericrlazear 2 years ago

Answered by cor-el 2 years ago

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Opening New Tabs without Switching

So for starters I am fully aware of the "When you open a link, image or media in a new tab, switch to it immediately" setting, it is turned off. What I want to do is be … (read more)

So for starters I am fully aware of the "When you open a link, image or media in a new tab, switch to it immediately" setting, it is turned off.

What I want to do is be able to open new tabs from my bookmarks bar without immediately switching to them. Regardless of middle mouse click or right click and open new tab. Considering the mentioned setting is turned off I would assume that would solve the problem but it hasn't. It has however made it so when I'm browsing or looking through search engine results it doesn't open a new tab right away. But when I have a home/new tab open and am opening tabs from my bookmarks bar, it unfortunately switches to the new tab immediately. I have had this working on a previous install but am stumped as how to replicate.

Any help appreciated, thank you!

Asked by novagriffin14 2 years ago

Answered by Dropa 2 years ago

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Issue with multiple tabs, or staying in the same tab when clicking on a ling in email

For a few days now this thing with the tabs is driving me crazy. When I click on some link a new tab opens, then I click on another link another tab opens. Following so… (read more)

For a few days now this thing with the tabs is driving me crazy. When I click on some link a new tab opens, then I click on another link another tab opens. Following some instructions I went to about:config where I was asked to look for neww, then change the default from 3 to 1. That solved the issue with opening multiple tabs, but now when in gmail and I click on a link it remains in the same page and I have to keep getting back to gmail to continue reading my emails.

That was not the behavior before. When I clicked on a link in my email I was taking to a new tab. Which was OK. But then lately every time I click on something it keeps opening new tabs. This is so annoying.

What can I do to go back to the settings I had a week or more ago.

This is FRUSTRATING!!!!

Thanks so much for your help on this matter.

Ana

In email when I click on a link

Asked by anachoto 2 years ago

Answered by anachoto 2 years ago

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Background inactivity

Hello i've been having some problems on the latest software of yours i'm most of the time watching livestreams but from update v.100 of your software it became weird tab… (read more)

Hello i've been having some problems on the latest software of yours i'm most of the time watching livestreams but from update v.100 of your software it became weird tab suspends after some in activity which is a problem for me

i found a solution through ABOUT:CONFIG and disabled these 3 for videos 1 - media.suspend-bkgnd-video.enabled 2 - media.resume-bkgnd-video-on-tabhover 3 - browser.tabs.unloadOnLowMemory

for videos and live streams it was good it didn't suspend but my problem now since update v.102 is that video plays but the CHAT stops and doesn't reload until i reopen firefox to the front of my programs

although it is runnning in the background and NOT MINIMIZED

even when the live stream has some lags and re-buffer it doesn't rebuffer or refresh the page to reconnect to the live stream until i force my firefox in front of my programs or games and again it was not minimized

if there is an option in the about:config to change this please tell me i'm already losing my mind as i missed one of my friends live stream because of that suspension

thank in advance

Asked by MegaDooOooM 2 years ago

Answered by MegaDooOooM 2 years ago

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Permanently pin the tab of an addon

I use the Feedbro-Addon, which creates an own tab. Its url is: moz-extension://285d678c-ecb3-4003-923d-835fc9d8e0bc/reader.html If I use it as a normal tab (instead of … (read more)

I use the Feedbro-Addon, which creates an own tab. Its url is: moz-extension://285d678c-ecb3-4003-923d-835fc9d8e0bc/reader.html

If I use it as a normal tab (instead of a pinned tab) ... it survives a Firefox restart. But if I use it as a pinned tab (which I want) ... it disappears after a Firefox restart.

I suppose it has to do with it being an addon-page instead of a "normal" page.

Is there a way to make it stay permanently pinned?

Asked by Thomas likes to learn 2 years ago

Answered by cor-el 2 years ago

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ctrl+tab stopped doing anything

As the title says, ctrl+tab simply doesn't do anything anymore for me. All the other hotkeys (ctrl+t, ctrl+1, etc.) are working normally. I haven't changed any settings o… (read more)

As the title says, ctrl+tab simply doesn't do anything anymore for me. All the other hotkeys (ctrl+t, ctrl+1, etc.) are working normally. I haven't changed any settings or installed any extensions lately. It still doesn't work if I restart into Troubleshoot mode.

I really can't figure out what happened.

Asked by MQDuck 2 years ago

Answered by MQDuck 1 year ago

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Speaker button disappears from tab after releasing focus on tab

Hello! My Firefox version is 91.11.0esr Several months ago Firefox starts behave this way. It's much more convenient when speaker button always appears on tab. It's absol… (read more)

Hello! My Firefox version is 91.11.0esr Several months ago Firefox starts behave this way. It's much more convenient when speaker button always appears on tab. It's absolutely incomprehensible why developers did it with Firefox. Who likes to waste time searching for noisy tab. I wish it work like before.

Asked by Weller 1 year ago

Answered by Terry 1 year ago

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When Firefox was updated, it lost all of my saved tabs.

This is the first time, that an update lost all of my tabs. Is there a way to access previous sessions, other than the most recent one? I would like to access a session f… (read more)

This is the first time, that an update lost all of my tabs. Is there a way to access previous sessions, other than the most recent one? I would like to access a session from last week, and see if I can get my tabs back. I'm very unhappy about this and I've not been able to restore my tabs. The current tabs are place holders, and they do the reflect what I had before the update.

Asked by heddyfran1 2 years ago

Answered by Dropa 2 years ago

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Firefox updated overnight and everything is HUGE

I loved Firefox. Yesterday. Today, I very much dislike it. My nice, neat desktop is not overwhelmed with the tab, url, and bookmark bars now taking up fully one-third of … (read more)

I loved Firefox. Yesterday. Today, I very much dislike it. My nice, neat desktop is not overwhelmed with the tab, url, and bookmark bars now taking up fully one-third of my viewable screen. The pinned tab icons are enormous, and I've spent hours and hours trying all the proposed fixes but none of them work. This is like a cartoon of a browser with gigantic everything since I have to manually change the size of every single web page I visit. The pinned tab icons are so huge they are literally blurry. And, yes, it's as easy as Ctrl + 0, but in my line of work, I browse hundreds of webpages a day, and this is just not acceptable.

Just to be able to see a tiny segment of this page to type this question (i.e. how do I fix this or at least roll it back to the way it was yesterday?), I have to minimize the page to 67% (from the 150% it starts every page at) and the TOWERING tabs and bookmarks and enormous search bar are blocking out the top third of my entire 17" screen, so I can literally only see--again at 67% no 100%--this comment box. And only the part I am writing it, if I wanted to use bold or whatever options are up there, I would have to SCROLL up just to see them. This is just insane. And completely unworkable. I don't have hours to spend fixing every page, scrolling up and down to see a single image or comment box plus editing options. There must be a way to fix this or roll it back to my delightfully compact, unobtrusive tabs, search bar, and bookmarks and make it so every webpage I visit isn't so huge that I have to scroll not just up and down to see what I saw yesterday with ease but from left to right, too! Honestly. This is just dreadful.

Asked by tollyday2 1 year ago

Answered by jscher2000 - Support Volunteer 1 year ago

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Firefox Desktop tabs not opening

Hello. I have had an issue with new tabs not opening in Firefox for about two days. My browser is updated to the latest version. The best way to describe the issue is lik… (read more)

Hello. I have had an issue with new tabs not opening in Firefox for about two days. My browser is updated to the latest version. The best way to describe the issue is like this: every time I boot up the browser, everything will be working fine. Then, within 4-5 minutes, tabs will stop opening. Every time I want to open a new webpage in a new or already existing tab, it will get eternally stuck on the loading stage. However, if I have something like a youtube playlist running in one of the tabs, it will switch from video to video with no problem. If I close the browser and try to open in again, it won't open (although I've already figured out that the latest issue can be solved with an administrator mode). Other browsers are working fine and don't have such issue.

I have tried reloading the browser, reloading the computer, cleaning cache/history/cookies, running the browser without any addons, running the debug mode, reinstalling the browser (twice), running the antivirus check, creating a new firefox profile. Nothing helps. Also, the problem persists in the debug mode - when I open it, the pages load for 3-5 minutes and then the tabs stop opening as well.

Please suggest what can I do to fix this issue.

Asked by selinakyle 1 year ago

Answered by jscher2000 - Support Volunteer 1 year ago

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firefox switching to tab with login prompt everytime on startup

everytime I open firefox, it automatically switches tabs like these which require authentication to log in. even though their password is saved, I am still required to cl… (read more)

everytime I open firefox, it automatically switches tabs like these which require authentication to log in. even though their password is saved, I am still required to click in sign-in button.

Its really annoying that these kind of tabs get opened automatically, and then I have to switch back. Is there a way to disable this autoswitch or better, let the authentication happen automatically since the password is already stored ?

Asked by kushagraR 1 year ago

Answered by cor-el 1 year ago

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show sound icon on playing tab without having to hover it, just like opera does out of the box.

it's extremely annoying to have to stop what i'm doing and play "lets find the active tab" when i have tons of youtube videos qued in open tabs. in opera, the logic is th… (read more)

it's extremely annoying to have to stop what i'm doing and play "lets find the active tab" when i have tons of youtube videos qued in open tabs. in opera, the logic is there out of the box, but in firefox, it doesn't exist. why such logic wouldn't exist is beyond me, but i see this as an annoying problem that needs fixed. i want to simply glance up at the tabs and see which one is playing without having to spend time digging through the open tabs to find the one that's playing or having to freakin memorize which one it was i don't have time for that.

i followed the guide in this thread: https://support.mozilla.org/en-US/questions/1291998 i did exactly everything as instructed but it did absolutely nothing, no change at all.

Asked by seikavx 1 year ago

Answered by cor-el 1 year ago

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open web link when firefox runs cause error : firefox is already running...

Hello, I'm currently running firefox developer edition and i'm facing a weird bug: When firefox is started, opening a web url from outside of firefox window does'nt work … (read more)

Hello, I'm currently running firefox developer edition and i'm facing a weird bug: When firefox is started, opening a web url from outside of firefox window does'nt work and display error message: "Firefox is already running but is not responding...". It expects that i close all instance of firefox instead of just opening url in a new tab.

Do you have any idea?

I'm working on version 105.0b2 with two profiles on an ubuntu 22

Asked by henritouchard 1 year ago

Answered by cor-el 1 year ago