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Hello,

My Websocket server recently started failing in Firefox. After some investigation it looks like the issues began in v130. The Websocker server works in all other browsers and in Firefox version <= 129. After much troubleshooting it seems like a change was made to the TLS negotiation when making a Websocket connection. I was able to temporarily solve the problem by forcing TLSv1.2 instead of negotiating the strongest TLS available. Was there a recent change to how TLS is negotiated when making a wss Websocket connection?

I'm using a pixel 8. Firefox is my default browser. I noticed safe search was suddenly locked on my phone. I went to search to try and trouble shoorlt and Firefox was gone from my phone! I reinstalled it. The next day it was uninstalled again. My phone was also really glitchy and a few apps stopped working. I wouldn't uninstall Firefox as it's my go-to browser. My bookmarks came back but lost all my dlsabed passwords. Anyone have Firefox randomly uninstall itself?

A few months ago, I noticed that Firefox has become very slow. When I looked at my task manager a minute ago, it showed 2,500 MB of memory usage and very high power demand after I had opened only three websites plus yours. I took the computer - a desktop using Windows 10 - to a technician who took $140 to tell me that he "cleaned it up and everything should be faster now." It is not any better for it.

How can I get my computer to work in Firefox as well as it does in Edge?

Thank you, Barry

A 'noisy' tab is preventing auto-sleep ('powercfg /requests' shows audio activity), Firefox doesn't ID which tabs have active audio. Searching for help only provides useless information, instructing me to click a non-existent button: "Visit the tab tray by tapping the number next to the address bar". I have no such button, only a 'taggle reader view' button.

During what I assume are high bitrate sections of YouTube videos (e.g. lots of movement, high resolution) YouTube will constantly drop frames.

Video for example: https://www.youtube.com/watch?v=KLuTLF3x9sA

I have tried: • Safe Mode • Installing the Flatpak and testing in that, which also has a fresh profile as I don't use the Flatpak version • Testing different related about:config settings – I can't remember them all now, but I tested every one I found googling that is related to the issue or hardware acceleration.

Hardware acceleration is for sure working. Turning it off makes the video drop to one or two FPS.

Chromium has no problem with the same video. However, you can see from the screenshots that both read the resolution/scaling of my screen differently, and it implies that Firefox is rendering something like 6314 x 3552 while Chromium is rendering at UHD, the resolution of the screen and my video. If I turn off all my Global Scaling, Firefox stops dropping frames (the same info box on YouTube states resolution is UHD), reinforcing my theory about scaling being the issue. Both are confirmed to be using native Wayland.

firefox is overlaying file explorer with 'firefox upload' when i'm trying to insert a file i created in windows 10 word to be used data fie in a web site . Perry

Ever since Nebula released, importing ICS files into the Thunderbird calendar (connected to my Google account) never moves from 0% progress, but the invite imports successfully. After I close the Import tab the invite appears in the calendar where it's supposed to be. I've left it for many minutes and progress stays at 0%. Anyone else seeing this happen?

Running Thunderbird 128.4.2esr (64-bit) on Windows 11 23H2.

Thunderbird freezes when i delete an email, even when i shift delete it for up to a minute and while its frozen its says "not responding" happens when archiving emails too, i've repaired inbox, deleted the trash, compacted emails, and still it keeps freezing.

I have 132.0.1 on windows 11. It is seriously messed up. For youtube videos, I get a blank video screen, and other parts of the web page don't get loaded (gifs/other jpegs, for starters). Gmail leads to a 400 error - with google saying it doesn't know why. Some of the fonts, in some headlings, are nothing I have seen before, in some web pages. Some html formatting is totally bonkers. Reddit, wellsfargo as examples, where you will see the elements in what looks like a text-based document, and nothing can be selected that otherwise would be selectable. Some of my bank urls just have spinning behavior that never times out.

All the foregoing works fine on Edge. And yes, I have restarted the browser many times, restarted the computer many times, even restarted the router. I have not messed with preferences for quite some time. javascript is enabled.

I might have seen some of this in the previous update, 131.x.

Oh, under Performance I do NOT see a possible selection for hardware acceleration. So that's out.

I have a lenovo ThinkPad, with AMD cpu, a few years old, with Windows 11 pro.

I have used firefox for years working on at this point over a dozen computers, and I have never seen anything like this, and so much going wrong at one time.

Any ideas? Thanks in advance

But perhaps a different kind of problem, like "Passwords and login".

This has started a few months ago, after an update. I would go to a website, fill in my credential, and then NOTHING. No error message, no movement. There are now several websites where this happens (see below). On some I could fix the problem by putting the website on the ALLOW list of Malwarebytes Browser Guard, but not all. On some, it was enough to allow ads and tackers, on others I had to also allow scams and malware, but on some nothing helps. All of them work perfectly well in Chrome, where I did nothing to BrowserGuard.

The websites fixed:

rebel.ca wise.com

Not fixed:

https://www.bc.mycarecompass.lifelabs.com https://www.concourstdaeroplan.td.com/

Any ideas on what is going on? And how to fix things? Thanks

Hi, whenever i open the instagram web's reels tab and start scrolling down a bit the audio breaks down, crackling/buzzing. ive contacted razer's support and then i tried the website on 2 different websites and it worked fine there and razer support told me that the issue isnt with my device but with mozilla. i thought it was because of my headphones at first as i tried it on 2 different computer, one being a desktop and other being laptop and only when i use instagram web's reels tab on mozilla. once i use it every other audio breaks down too including games/other browsers etc. . i tried to contact with meta support too but comes out they dont offer a support to those who dont have paid subscription and the issue only happens on mozilla firefox application

All of a sudden with the past week or so I've been having problems writing emails because as I type my words get cutoff and I have to wait for a second or two to start entering letters again. It happens all of a sudden and even occurred when I was entering data to join the forum just now. I looked at the tasks that were running to see if anything there was impacting the performance of the system and found tasks labeled "FirefoxCP Insulated Web Content" running and eating up CPU cycles, up to 48% while in priority position. Sometimes I had up to 6 of these tasks going at one time. What is going on and how can I correct this situation because it's impacting my ability to use any functions that require data entry.

I am using Thunderbird to archive emails to a local folder. I have put emails in separate folders by year. Still, it took a much longer time than I expected. I guess the reason might be synchronization. Often Thunderbird download the same folder, or a set of messages in a folder, repeatedly. It is hard to tell how many messages have a local copy.

One example is showing in the attached picture. It has been stuck there for a long time. Apparently, the progress bars are not drawn correctly. The lower folder is almost done by the number of messages, not the top one.

Thunderbird version: 128.4.1esr. OS: Windows 11.

Recently upgraded from older version to TB 128.3.3.esr

Until then CardDav Server connect (remote adressbook) does not work any more. At least to https://sync.infomaniak.com/. Getting always Connection Failure (interface and logging console). See image. Whatever username is used.

CalDav Connection (to same server) works perfectly. Events get bidirectionally synced.

Anybody an idea, why caldav works, and carddav not.

Thanks for hints an helps. Reto Diener, Switzerland