I-Firefox Community Forum

There is a black box on the top left corner whenever firefox is maximized. This problem appeared when I got my new computer screen (Asus 27" TUF Gaming VG27AQ1A, 170Hz WQHD). My old computer screen (23.6" VE247H LED, Full HD, 2ms, 10M:1) didn't have this issue.

Any help how to fix this issue?

I'd like to ask about Firefox's behavior and settings. I'm using Firefox with vertical tabs (using an add-on), but it seems to be behaving strangely. The things that have changed since before are: 1. Open from pinned tab 2. Now opens in a new tab → Previously it opened in the same tab 3. Clicking on a newly opened tab opens a new tab again → Previously it would open pinned tabs/same tabs → in a new tab It has changed. I haven't changed any of my Firefox settings. Windows 11 Home 23H2 Firefox version 139.0.4 (64-bit).

To preface this, I am on MacOS.

I noticed a small delay before starting videos while I have my AirPods connected. There are a few scenarios where this delay does not exist: - Any other browser - Audio is actively playing elsewhere - Mic is in use (like a zoom meeting in the background, even when muted) - Audio is muted

I have tried safe-mode, reinstalling, and even messing with the config, to no avail. I know for sure this is isolated to Firefox, and I believe it's due to how audio devices are handled. I would rather my videos immediately play rather than wait for a "health" check from my connected device, even if there isn't audio for that time period.

After last upgrade, I restored an earlier profile to RESTORE my bookmarks and passwords.

I set my old profile as DEFAULT.

YET NOW, I have the highly annoying problem that when I open a link from my email, it opens in the profile-release new version.... I then again do not have access to passwords and bookmarks.

Mozilla Firefox should address these issues, rather than have MILLIONS of people individually trying to fix the problems that the latest release caused.

I'm afraid to close my browser windows or even restart PC like I often do; I'm afraid I'll have to waste another 6 hours (like yesterday) trying to restore the profile, bookmarks and passwords.

The Firefox version I used before was Mac version 136.0 After I updated to the latest version, I found that the fonts of the browser's tab bar, search box, and bookmarks became significantly larger. How can I change the font size?

I'm not sure what's going on here, but speaking to different people, I hear different stories.

I use FireFox and have PiHole installed on a RasPi. REMOTE ACCESS.

There is a window - to call it - where I can enter any fixed IP addresses.

I can only open it a bit (height wise) but am being told it can open a lot more.

I've tried FireFox and Opera. Both don't allow it to open much more. (So really I don't think it is a Firefox problem)

Anyone have PiHole installed?

Settings/DHCP (expert level) Scroll down to Static DHCP configuration.

The window where you enter addresses.

How "big" can you make i

I have a problem. When watching videos on YouTube, especially in 4K, it starts to freeze, and the loading screen stays on indefinitely. The same thing happens when you fast-forward or rewind the video. Switching the video to 1440p or 1080p helps, but over time, even at 1080p, it starts to freeze. but if I switch back to 4K, everything works fine, but only temporarily or until I fast-forward it.

I can provide browser data files. I'll say right away that I've tried a lot of things, and even everything that ChatGPT recommended didn't help. I tried changing the about:config settings related to the video player and codecs.

The only thing that helped was installing a plugin (h264ify by erkserkserks) that disables av1, and in that case the video works fine, BUT only at 1080p, which doesn't suit me, as I would like to watch videos in high quality.

If I disable hardware acceleration so that videos are rendered on the processor, then everything works fine and everything runs smoothly, except that the processor is loaded at 60%. This may be a solution to the problem, but I would like to figure it out and solve it completely, rather than looking for a compromise.

Motherboard: ASRock B850M Pro-A (BIOS date 02/21/2025, DMI BIOS version 3.20) CPU: AMD Ryzen 5 8400F 6-Core Processor RAM: Crucial CP16G60C36U5B (Crucial 2x16 - 32GB) Video card: NVIDIA GeForce MSI RTX 3080 Ventus 3X OC LHR (MS-V389) (Driver version: 32.0.15.7652, Development date: May 14, 2025, DirectX version: 12 (FL 12.1)) Video card driver 576.52, May 19, 2025 The entire system and browser are installed on an M.2 NVMe CT1000P3PSSD8 SSD (Crucial P3 Plus 1TB PCIe 4.0 x4) (there are also other drives) (2 monitors 1440p) Windows 11 Pro If any data is required, I can provide it. All drivers and everything else are installed in the latest version (unless new ones have been released or it has not updated itself). All Visual C++ and Windows components are installed, I don't think there is a problem with them.

The problem only occurs in the Mozilla browser; there are no problems in any other browsers. I also noticed that on some websites where I watch movies, there is a problem with the video. Unlike YouTube, they load normally, but in dynamic scenes, the image breaks up, similar to the image breakup in games when vertical synchronization is turned off. That is, the video is divided into two parts, and one of them lags behind by a fraction of a second. I tried resetting the browser settings, but it didn't help. Everything works fine on my MacBook and in other browsers and devices, so it's not related to the internet.

Please help me figure this out and solve the problem because I've already tried everything, and I don't want to switch to another browser because I've been using Mozilla for over 15 years. Also, if you need any information or a detailed explanation, I can show you or even record a video. Everything worked fine on Windows 10 on the same system, but Windows 11 is not running as smoothly. (To clarify, this is a clean system; I did a complete clean install of Windows 11, although when I upgraded from 10 to 11, everything seemed to work fine).

I would be grateful for any help.

I'm not sure what's going on here, but speaking to different people, I hear different stories.

I use FireFox and have PiHole installed on a RasPi. REMOTE ACCESS.

There is a window - to call it - where I can enter any fixed IP addresses.

I can only open it a bit (height wise) but am being told it can open a lot more.

I've tried FireFox and Opera. Both don't allow it to open much more. (So really I don't think it is a Firefox problem)

Anyone have PiHole installed?

Settings/DHCP (expert level) Scroll down to Static DHCP configuration.

The window where you enter addresses.

How "big" can you make it?

Clearly your crappy browser system won't stop crashing my tabs with its stupid updates randomly out of no where while I'm in the middle of working on something. I can't even report bugs in games anymore because I go to pastebin to post a crash log, and firefox decides to say 'RESTART FIREFOX TO CONTINUE USING' for no reason. I am very angry, this happens so often its ridiculous. I have updates set to "check and choose" and yet your browser keeps crashing all tabs all windows telling me to restart to continue using, and only today did I realize it said it was related to an update. This is unacceptable behavior. This browser is becoming unbearable. Crashing/updating in the middle of my work is very bad, and this is getting old. Obviously this time it was an unwarranted update, who knows if my browser has even been crashing at all. Just keeps getting disabled for your forced updates. I need them disabled, NOW. I choose when to update. NOT YOU.