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I'm running the latest version of Windows 10 and Firefox 143.0.1.

I recently bought my first OLED monitor, so I enabled auto-hide taskbar in Windows to try and reduce the chance of burn-in. However, while it works for the most part, it seems to often break in Firefox where the taskbar will hide, but not reappear when I move my mouse pointer to the bottom of the screen.

You can replicate this issue by having FF not maximised, then dragging its window titlebar to the top of the screen and letting go in order to maximise it. At that point, the taskbar no longer pops up when you mouse over the bottom of the screen.

Many thanks for any help you can give.

Several weeks ago Firefox worked normally for me. I left for most of the day and when I got home Firefox no longer worked at all. Everything on my home page was gone and when I typed in websites - such as my e-mail program or Facebook, nothing ever came up. I'm not super browser savvy, but I opened the menu and under help was "trouble shooting mode". I didn't know what that was but figured nothing much more could go wrong with Firefox, so I chose that. I had to rebuild the websites I had in a row on the middle of the page. I didn't lose bookmarks, but everything else was different. So I left it that way.

Earlier today, Firefox wanted me to do another update. I thought maybe by agreeing to that, things might return to normal. Noooooooo. It's no better whatever. Now I don't know how to get out of troubleshooting mode to know if anything will work normally again.

I am seriously considering switching browsers, but I have a LOT of stuff bookmarked and that would be very intensive to build all those book marks in another browser.

Hello, for quite some time I have been encountering an issue where the scaling of browser elements gets broken when I unplug my Mac from its dock/external display and then being using Firefox using the built in Retina display. This only impacts Firefox and renders Firefox completely useless until I quite Firefox and reopen it. It impacts all open Firefox windows. The attached screenshot explains it better.

Firefox 146.0 (aarch64) MacBook Pro 16-inch, 2023 macOS 15.5 (24F74)

Any ideas?

I know this probably sounds odd but I'm not imagining it. I like many people I live with many tabs open at once. Since the 143 update I come back to my computer the next morning and many of my tabs, specifically my gmail tab and many others will not work. (Oddly I've noticed some random tabs will still work, I have no idea why) I can close the tab and try to reopen gmail in a new tab and it just sits there trying to open but it will not. I've waited 20 minutes. Not until I close firefox and restore my last session will it again work properly. Is there a bug/glitch or is there some setting I need to adjust. I don't want to have to close my firefox everyday. Edge is not having this same issue, so I'm pretty sure it's not a problem with my specific machine. It's like Firefox just decides to quit when I go to bed. I know it sounds crazy.

Gmail is slower than frozen molasses, it is taking 15 to 20 seconds to respond to mouse clicks and typing as well as scrolling, it takes me more than half an hour to do what should take a few minutes, if this is not fixed soon that will be the end of Firefox for me, I will use Opera instead.

Hi!

I've had issues with Firefox now for quite a while and they only seem to be getting worse. Performance is really bad, it's lagging while browsing, especially infuriating when typing as the letters come out at a stuttering pace. I've tried disabling extensions one by one, I've tried troubleshoot mode and experienced no major difference.

If I can't solve this soon enough I won't be able to keep using Firefox, as the experience is so frustrating. And it would be a shame since I've come to like it quite much.

Thanks!

Multiple times a day when switching tabs the entire screen will turn gray and become entirely unresponsive, requiring me to close and restart the app. This has been happening for weeks. It does this regardless of the number of tabs I have open, and continues to do this even after clearing the cache. There is also no report for it in about:crashes.

When the app is going to turn fully grey when opening a new tab when I scroll down and the address bar moves away there is a gray box where it used to be. Also, when opening a new tab the homepage won't appear; there is no "jump back in" or "recently visited" section, just a fully gray background.

Hi, After updating to the latest version of Firefox on my laptop, I’ve noticed that the battery drains much faster than before. I haven’t changed any settings, but the browser seems to consume more power even with just a few tabs open.

I’ve already tried:

Restarting my laptop

Disabling unnecessary extensions

Clearing cache

But the issue is still there. Is there any specific setting or workaround to reduce battery usage in the new update?

Thanks in advance!

I have Firefox (always updated to the latest version) and I have noticed a memory leak that EATS up RAM. I have 1 tab open, playing a set spotify playlist. within 24 hours of rebooting the machine, Firefox has swallowed 7gb of my Memory as shown in Activity Monitor/Memory Pressure. I've been having this issue for some time, updates to MACos make no difference either. NO other program does this. I've tested the same playlist in other browsers, Chrome, Safari, uses 1gb, brave/opera uses less than 500mb and they've been open for over a week. This memory leak is a bug in Firefox. I've seen it before (other software, mainly on Windows) but never like this on a Mac......How do I escalate this?

I had two Firefox windows on my computer, one with a few tabs of Youtube and Twitch pages, and a private window with a single Twitch stream. I've had them and the program open for days, with my conputer turned on and off multiple times with no issues.

Today I booted a game I installed yesterday on my computer and played for a few hours, after closing the game, both my Firefox windows became completely inaccessible.

I've tried closing firefox, restarting my computer, letting Firefox create a new xulstore file and nothing has worked. I can't see the window, I can't make it active. It's permanently minimised.

It spikes Desktops Windows Manager to 100% GPU usage, it makes my PC lag and run slow, and I can't do anything in the browser cause the window won't stay open or up. I can't even open the old window and then a new one, it stays minimised and I can only see the preview by hovering my mouse over it.

I've tried GPU driver updates, I tried anti virus scanning, and I've tried opening another browser which did work. But Firefox is the one with all my saved settings and preferred browser. I also can't see the Firefox window at all when using the window key + TAB to check my desktop, but it does show up on Task Manager as running.

Please help me restore my program. I'm making this on my phones firefox browser which is running fine

Links won't respond to touch , scrolling up and down is fine , all other touch functions are fine , just links and tabs etc won't respond

Any help ? Wasn't like this before

Hello, today I have set up a new account for work and I have trouble signing in. Actually, I manage to sign in, however I am then shown the screen which gives me the option to create account recovery key and the browser freezes completely. I am unable to click on anything, the only option is to go to the Task Manager and kill the program there. Then, when I open Firefox again, I am not signed in (even thought I recieve the email about a new sign-in to mozilla) and have to try the process again, only to experience the freezing browser again. How can I solve this or troubleshoot? I have Win11, my broser is supposedly up-to-date. Thank you! Anna

Ever since the Fennec F-Droid 142 update, Fennec has trouble loading pages properly, even when you currently have Internet access. This happens when you try to access any page directly from the home page and from the status bar from within the app, and the page tries to connect but completely stalls with loading as a result. This issue is not affected by the in-app mini browser view that pops up when tapping a link in another app to preview in Fennec or when you have any other app open that uses the Android System WebView (or in most cases, any WebKit based browser, as it doesn't have to be the Android System WebView most the time for this bug to go away!) for loading content, which in fact this strange bug in Fennec will go away as a result.

This issue is only addressed in Fennec F-Droid 142 and does not affect any other forks of Firefox or even the proper upstream versions of Firefox where this issue does not occur. This issue only occurs every time after restarting your Android device, in fact the one that I'm using is a Google Pixel 8 Pro.

I have also reported this issue directly to Google engineers so that they know what might be going on. Given that I'm on a beta version of Android 16 (QPR2 beta 1), this is to be expected. Thank you all so much as hopefully someone at Mozilla will have a small patch ready for when Fennec 143 goes into testing pretty soon!

Добрый день! Обратил внимание, что с последним обновлением. у меня стала виснуть браузерная строка полностью и я не могу зайти в настройка. Уже было несколько раз так и мне помогает только полный перезапуск браузера.

Я могу прислать видео, как это выглядит.

Прошу помочь решить эту проблему. Спасибо