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Hi, I am using Firefox For a few years, but for last 1 year my workload is high and I usually need to open several tabs. After I keep tabs open for a while, firefox becomes slow. Closing a few tabs help but I want to know what is causing it. IS there a way to check which tab or extension is causing it? I am using latest firefox on windows 11.

Everything is gone from the browser today. There is no content in the menu at the top right, except for keyboard shortcuts. When I type in the search bar, nothing happens, and clicking the + to open a new tab does nothing either. My account is still showing at the top, I am signed in and the profile looks fine. I can't "refresh" the browser from the menu, as that is not an option.

UPDATE: FIXED - Today, April 13 - everything is back - I guess Firefox fixed itself.

Current firefox version: 155.0

Since the last few updates, update frequency of title bar of inactive tabs slows down over time. Sometimes there is important info in title bar that should be updated frequently. Are there any flags in about:config that can be reverted to achieve that?

i have been tired many things to do and have tried all of them instead of uninstalling and reinstalling Firefox. Which i should not have to do as none of what is happening is my fault. I have done all i was asked by many of you and have done it all . I am getting no answer and no real solution by Firefox to tell me why i continue to get that you all think i am a dumbie none of this is my problem yes i have desktop icons which i have always had and yes they ope up with Firefox and never ever have i had this before they have always open with no problem until this last updated version. I am constantly getting Firefox is running but not o responding. Why when i go to chrome or click the chrome add on in address bar a say click on my amazon I con it opens right up with not saying google is running but not responding. why ca none of you answer the question and why can it not be accepted that it is a Firefox problem and not me. As i have said i have had these same desktop shortcuts since i got my computer on windows 7. up until this last version i never ever had Firefox say it is running but not responding. Like ic said i have done all that way said by Bugzilla Firefox help and still no real answer and no fix . I am tellin you it is not me it is a Firefox problem. why can this not be researched and find out why. I am sure i am nt the only one with this problem. Please i need a solution or ill stop using Firefox which i have for over 20 years but apparently Firefox does not care and thanks SOLUTION PLEASE

So every time I use the iOS app, whenever I leave the app for a few seconds to look at another app, once I come back it always redirects me to the home page. It’ll never bring me back to the page I was just on. It’s a little infuriating because it happens 9 times out of 10. If this bug were to be fixed, I would really appreciate it.

I've been using Tabliss on Firefox without any issues, but immediately after updating to Firefox 151.0, a frustrating new loading delay started happening.

Prior to the update, new tabs loaded instantly. Now, whenever I open a new tab, the page sits on a completely blank screen for about 2 seconds before the Tabliss layout, background image, and widgets finally pop in.

Because this issue did not exist at all before version 151.0, it seems like the latest browser update changed how extension-based new tabs are cached or initialized, causing a new rendering bottleneck.

The lack of a title bar makes it impossible, for example, to close the application by pressing the "X" icon in the upper right corner. The title bar does not appear when the application starts, but does appear when the application window is minimized and then maximized.

My hardware is low end from 2016, Pentium 3825U, HD Graphics, and 4gigs of RAM. In the old times, the browser was fast, but this year it has slowed down so bad. I needed to switch to Thorium browser because Firefox became so heavy, using too much RAM and CPU. Please make the browser light, fast, and good for old systems again! (I want to use Firefox back)

Hi, I'm on Firefox 147.0.3 and windows 11 business 25H2 (26200.7623), with two displays. For the past few weeks: - firefox stays on top - alt-tab to other window on that screen doesn't work, other app is not displayed over firefox - clicking on other app icon in task bar doesn't bring it to foreground/top - even other firefox window (like new private window) is opened in background - the only way around is to minimize firefox - without firefox opened, everything works normally It is really disturbing my flow / ways of interacting with apps / habit of using keyboard to move between apps.

Is it a bug, or is it a matter of some settings? I've seen similar quesiton from 9 years ago https://support.mozilla.org/en-US/questions/1140245 but there is no setting of the same name now?

Since version 154, my 2017 Macbook Air running MacOS Monterey causes my fans to be always on. The battery preferences says "Using significant amount energy." I've turned off all AI features.

Hello! Today I stuck with problem in my system: after minor package update, hardware acceleration was broke. In past, I stuck with same problem after total pc upgrade (AMD -> NVIDIA GPU, another might be unnecesary), and somehow I fixed it, but i dont remember what exactly fixed it. Can someone please help me turn hardware acceleration on this time? My searching the key arround didn`t helped, but i found in about:support line which notes that firefox unrecognized my videocard etc. My specs: kernel: 6.17.1-zen1-1-zen driver: nvidia-dkms-580.95.05-1 videocard: GTX 1080 TI DE: gnome 49 with Wayland

Tips that ive tried: Tried to make all as wrote in archwiki Tried to install an nvidia vaapi implementor Made some random steps from internet, without effect(maybe thats why hardware acceleration doesent work??)

theres also about:support page attached

I have been using Firefox for many, many years. As of late I find it is constantly slowing or freezing and when I check with taskmanager I find Firefox has opened and is running as many as 85 processes. I have tried the recommended methods of limiting it...but the performance options do not provide the ability to limit processes as set out in the instructions....and changing the browser.tabs.remote.autostart to false also did not work. If I can't fix this, I will have to stop using Firefox. I am using version 144.0

For years now... It's crippling, every time I leave the Firefox browser... It refreshes when I return.

5,000 times in the last two years since I got my Motorola play 2023 phone... I try to login to a site and have to click on messages to get a code and the browser refreshes and I have to start over.

1,000 hours of nonsense you have caused me. I couldn't get food stamps or Medicaid because of your bullshit

It's called persistent Internet you fucktards and you need to learn about it

I built netsys.com, delta.net, Damocles.com, inetexpress.com, USA.net and medicare.com.

I worked for ANS for 6 years building the first fault tollerant internet backbone in America.

It's fucking 2026 assholes... I should be able to multi-task... Like Windows 1.0 back in 1986.

Hello, I'm having trouble with my Firefox Nightly Android today. The scrolling is very choppy while trying to browse any article or webpage. It's most noticeable if I quickly scroll down and up. There is a large delay before my page scrolls back up. Is there any setting I have to change to fix this?

Thanks

I keep having problems with Firefox hanging or disconnecting. I have followed all the steps in the [Hanging] page, and I still have to shut it down and restart it often, sometimes as much as several times a day. I also frequently have to force quit the browser, or I get a message saying "Firefox is open, but not responding" when I try to restart it.