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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.

Previously, had no problem loading YouTube videos in multiple tabs, switching between them and them playing their videos with no freezing , pausing or buffering. Since the last upgrade loading a single YouTube video causes it to freeze and continually buffer. And Firefox is spawning multile copies of itself in task manager. (One instance had 15 copies.)

Firefox149开始，网页看抖音，每滑到下一条就卡顿2，3秒，换回148及之前的版本就没这问题 Starting from Firefox 149, when watching Tiktok videos on the web, there is a lag of 2-3 seconds every time I swipe to the next item. Switching back to versions 148 and earlier does not have this issue， https://www.douyin.com/

Whenever I launch a YouTube video, It starts then the whole page freezes. No links work and no menus shows up when I click my mouse. I can do nothing to get the video to unfreeze. All I ca do is close the window.

Bookmarks folder still takes too long to open when adding and editing bookmarks. When is this going to get fixed? Or where can i download an old version of Firefox for Android that does not have this issue?

Hi Mozilla Can you improve firefox 115 in next update because this browser is slow and need to improvements in performance, i'm using windows 8.1 and i'm can't upgrade to windows 10

Initial performance is good, but over time especially when tabs are opened and closed frequently responsiveness to user input (e.g. tab switching, opening/closing tabs, response to hyperlinks) becomes very slow. After force quitting and restarting, performance is good again for some time. I exclusively use private tabs.

everytime I try to get to my sites its very slow and it says mozilla firefox not responding If I wait for a while it will finally allow me to get to my site but it takes a long time

Hi,

I’ve recently noticed that after a Firefox update, the browser has become very slow and unresponsive whenever I open multiple tabs, around 5–10. Before this update, I could open many tabs without any noticeable lag.

Now, new tabs take a long time to load, scrolling within open tabs feels choppy, and sometimes Firefox freezes for a few seconds before responding again.

I’ve already tried restarting Firefox, disabling extensions one by one, and clearing the cache, but none of these steps have improved the performance. I’m using Windows 10 and the latest version of Firefox.

Could anyone suggest what settings or troubleshooting steps I can try to fix this slowdown?

When browsing on Google Images, any time I swipe from one picture to the next, it is like the image doesn't want to swipe and is actively fighting against me. It is glitchy, bouncing around before I can drag it across my screen.

This is an issue of mobile FireFox, not of my device. Swiping and scrolling on other web browsers, such as Samsung Internet or Google Chrome, is seamless and buttery smooth.

For some weeks now, the "File" menu randomly opens by itself then closes a second or two later. It seems to happen once I get focus on a page. For example, if I open a new tab then go to Google and ask a question, once the answer is returned, within a second or two the File menu drops down then closes again. I have the latest version of FF (149.0), 64-bit under Windows 10. There are a couple of settings in about:config that were suggested to be changed by ChatGPT but this hasn't made any difference.

After the version 149, a very strange issue happens to me with Firefox. When I try to log in to some services (Google account, WhatsApp, Mozilla account) the browser freezes. That does not happen if I turn the hardware acceleration off so I essentially thought there is some issue with my graphics drivers which I then updated (Nvidia 580.142 drivers for Geforce GTX 960). But what is very strange is that the issue isn't present when I use Firefox in private mode! That means: Normal mode, HW acceleration on -- freezing Normal mode, HW acceleration off -- not freezing Private mode, HW acceleration on -- not freezing I switched to the ESR version now which works fine too. Still, I am curious about what is going on and I would like to find a solution. My system is fully updated Arch Linux. I cannot share my data since I can't log in to my Mozilla account. Thanks in advance!

Using cmd-tilde keys on MacBook Pro to change front viewed page no longer works reliably under Tahoe. Any workaround? Also, Firefox sometimes freezes Navigation between programs, and the only way to navigate is to quit Firefox. I'm on Tahoe 26.4 MacBook Pro 2023 M2 Max. Thanks.