Firefox Community Forum

I'm on the latest FF 140.0.1 on Linux and I adore tab groups, I'm using it more and more to organize my browser windows. I am using the default (horizontal) tab group layout. Because I have a lot of tabs in the window, I collapse each existing tab group and sort tabs between tab groups.

I can move a tab into an expanded tab group with drag and drop. But I tried dragging and dropping a tab onto a collapsed tab group, even holding it over the collapsed tab group to see if that would work. Nothing seems to register, is it possible?

I would like to move a tab by drag and drop without expanding the collapsed tab group and move the window focus to the next tab. This would save time when I am organizing tabs!

The alternative is to Add a tab to a collapsed tab group, which also expands it and consumes horizontal real estate, forcing me to scroll (further) to return where I was organizing tabs. So I collapse the newly expanded tab group, scroll back to the next tab I want to organize into a different tab group, and repeat but this causes a lot of scrolling navigation to my workflow. It makes complete sense and I really like using menu navigation to add tabs to a specific group because it is discreet and I wish I could move tabs with the same method.

I searched Settings > Tabs and then about:config for browser.tabs.groups.* (and then every preference with tab in it) and couldn't find anything that made sense to me.

Thank you for any help!

1. 1. 1. 🔷 **Issue Summary:**

While using Firefox under normal conditions, the system **freezes completely** at random times. The desktop environment becomes unresponsive, requiring a hard reboot to recover. The issue typically occurs during heavier browsing sessions (e.g., video playback or graphics-heavy websites).

System logs (`dmesg` and `journalctl`) show **AMDGPU virtual memory protection faults**, indicating a GPU-related issue triggered during Firefox usage.

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1. 1. 1. 🔷 **Log Snippet:**

```text amdgpu 0000:03:00.0: amdgpu: VM_L2_PROTECTION_FAULT_STATUS:0x00641051 Faulty UTCL2 client ID: TCP (0x8) PERMISSION_FAULTS: 0x5 [gfxhub0] retry page fault (src_id:0 ring:0 vmid:6 pasid:32776, for process RDD Process pid XXXX thread firefox-bi:cs0 pid XXXX) ring gfx_low timeout, but soft recovered ```

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1. 1. 1. 🔷 **System Information:**

• **OS:** Linux Mint 22.1 x86\_64 (based on Ubuntu)
• **Kernel:** (e.g., `5.15.0-xxx-generic`) ← *replace with actual kernel version*
• **CPU:** AMD Ryzen 7 5700U with Radeon Graphics
• **GPU:** AMD ATI 03:00.0 Lucienne (integrated)
• **Firefox Version:** (e.g., 126.0) ← *replace with actual version*

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1. 1. 1. 🔷 **Steps to Reproduce:**

1. Open Firefox and browse modern websites (YouTube, media-rich content). 2. Use the browser for several minutes (random trigger). 3. Suddenly, the system UI becomes frozen and unusable. 4. Logs show AMDGPU VM fault and `gfx ring timeout`.

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1. 1. 1. 🔷 **Expected Behavior:**

System should remain stable during normal browser usage, especially with an officially supported AMD APU.

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1. 1. 1. 🔷 **Actual Behavior:**

GPU driver crashes causing total system freeze, likely triggered by hardware acceleration and memory permission faults inside the amdgpu driver stack.

Hey, I have recently installed Zen Browser because of a friend's suggestion. Although I really loved the fresh vibe of the Browser in comparison to what I was accustomed of which is Chrome. But after some initial hassle of setting up the browser I figured one thing that although I have a 100Hz external monitor and a 90Hz Panel on the Laptop the Webpages while scrolling it felt that it was somewhere 45-60Hz. I tried the UFO Test as well but there I was getting 100Hz but whenever I visited any website (say LinkedIn or even Youtube) the page seem very very laggy and it made me switch back to Chrome (Honestly I wanted to stay on Zen only) but the problem forced me to switch back. I understand that the browser is still in its Beta Phase but still the experience I had it was not good. Hope I can get some resolution and hop back to Zen as I really want to.

PS - I have tried all the fixes from reddit pages, Hardware Acceleration, Smooth Scrolling, etc. none works.

Alternative search engines no longer appear when typing the stasrt of a search. Am able to set alternative search engine in settings but need to go back to settings if I want to use another one. This happened after a recent update - perhaps as much as a week ago.

On a brand new powerful PC just signed in and there's no Add ons showing on this device.

I have two other devices where i have no issues, but this one...

What can i do?

Firefox instructions say go to Notifications on Privacy and Security, but Privacy and Security on my Firefox no longer has a Notifications link. The sfgate site itself refused to let me into its settings. Where on Firefox do I block it?

With the latest update I get search suggestions in the search bar. I want to use my bookmarks. How can I turn off this feature?

In the example, I typed dict and got dictionary.reference.com, while the bookmark I wanted was just ductionary.com. Thank you.

There is a bug which was reported 3 month ago https://bugzilla.mozilla.org/show_bug.cgi?id=1959157. It appeared out of nowhere and I don't even know if it was fixed since then. But it is bugging me a lot, no pun intended. Any help would be appreciated.

Hi everyone,

I'm on 140.0.2 / Win10

My current about:config:

browser.urlbar.trimHttps false browser.urlbar.trimURLs true browser.urlbar.untrimOnUserInteraction.featureGate false

I noticed the new https trimming, but when I double-click (e.g. to select a word in the URL) to copy or change a part, the https pops back, shifting where my cursor is relative to where it was, which is annoying for having to reposition the cursor.

Disabling `browser.urlbar.trimURLs` should make sense to revert to no-trimming, but it didn't work.

`browser.urlbar.untrimOnUserInteraction.featureGate` being false already shouldn't have caused the issue I described.

Many thanks in advance!

This may be more in "settings" than in "search, tag, and share".

Since updating to the 140 series, the URL bar has what appears to be a nonremovable "what kind of search do you want to run?" activated by typing in the URL bar.

Do Not Want. That's the entire purpose of having the separate search bar. For those who only have the URL bar visible, that might make sense, but right in the core Settings I chose to have both the URL bar and the search bar. I do not ever want searches initiated from the URL bar.

Is there a way to remove this unwanted "extra feature"?

And a gentle hint to those doing interface tweaking and redesigns: Those of us who use "separation" features directly supported by the program — that is, not requiring an extension or theme — would really, really appreciate having our choices respected. That the separate search bar is already selected and visible, or having a full menu bar (and not just the hamburger symbol) visible, should be a hint that there just might be functional, safety, security, and/or disability-accommodation considerations behind that user's choice, and you shouldn't override it Just Because.

When I try and open Firefox, a window pops up for a millisecond before going off my screen, and firefox doesnt open. This is extremely irritating as i downloaded firefox since I also cant open chrome. Is there a fix to this, I have restarted my computer and have uninstalled and reinstalled firefox.

Thanks, Nathan

I want to add a dedicated search bar next to the address bar. When I search how to do this, I read: To add a separate search bar in the Firefox browser, navigate to Settings > Search and then click on "Add search bar in toolbar". This will place a dedicated search bar next to the address bar. But when I search for "Add search bar in toolbar", I get a message there are no results in Settings. I have Windows 10 laptop.

I have attached an image of the setting panel that used to have options for the home screen of Firefox. There are no wallpapers to choose from and the Home screen is barren.

I am using Firefox v140.0.1 Snap on Kubuntu 25.04, Kernel 6.14. Since the Firefox update in the past couple days, the mouse cursor has started appearing huge and slightly blurry (as though the image is scaled up) in Firefox and nowhere else. The size is visually annoying, and occasionally difficult to know exactly where I'm clicking (trying to move the caret in a text box for example). It also appears to be a different style from the main desktop cursor, the shape and color are ever so slightly different, but this may already have been the case and I simply didn't notice because of the previously small size. Firefox doesn't have its own built in cursor settings that I can find, nor obey the system cursor settings. I have a high DPI display so perhaps it is being over-compensated for? e.g. both the system and Firefox are scaling the cursor up, assuming the other hasn't done it already, resulting in a cursor that's too big.