Firefox 社群討論區

Any Ideas what is going on? About July 21st, 2025 I started noticing with a couple of browser tabs open, a new tab opens autonomously and flitters in the new tab name area, what "looks like a TagID", then closes by itself. I define "looks like a TagID" as something that looks like a tag at end of article link in popular newsletters I see, and appears in the url bar of the linked article.

The occurrence of the new tab happens when I open the browser, within 1 minute and occurs randomly during the session, perhaps every 20 minutes.

My first suspect/assumption is I am always signed into Mozilla when I open Firefox 141.0 (64 bit), processing an update now, Aug 5 2025. I have subscriptions to VPN and Monitor and I have sync (passwords and bookmarks) with my mobile instance of Android Samsung Galaxy phone.

My Desktop is set up as Windows 11 pro with one employer InTune acount for Microsoft but I limit that work to Edge browser.

I tried to add maps.coogle.com to a specific container. this ends opening maps forparts of a second in this container displaying the cookie content page. regardles if a agree or not, it opens the cookie consent page in a new tab (looping forever) is there a way to add a site to a specific container using a config file? is here a way to add a site to a container, without having the subsites after the TLD, in the URL

Kind regards

just recently firefox has been adding pop-up summaries to each address bar open tab .... the summary is a tiny 5 or 6 word pop-up describing what that website is supposed to be doing and the pop-up appears instantly whenever the cursor contacts that tab..........how can i turn that unwanted pop-up feature OFF

dell inspiron 3910 running windows 11

Hi there,

I enabled the new tab groups feature the other day - having used it in Chrome on my work computer, I know how useful it can be.

However, it doesn't seem like there's any way to collapse tab groups and just leave them as like a square to be opened and closed just by clicking on the tab group? Am I mistaken here? Every time I try to click on the tab group to close it, the tab group just changes color (i.e., goes from blue background with white text to blue text on a white background) and none of the tabs are collapsed into the group (i.e., they just stay on the tab bar, and I'm shifted to a different tab).

Is this happening for other people? Is this what is supposed to happen? Is there some setting that I need to enable? I've tried seeing if it's conflicting with any my add-ons, and I haven't found anything just yet. I'm awfully confused, so I'm hoping someone can help explain what might be amiss here. Thanks in advance.

Support Firefox to be able to use different tab view modes on different windows! For example, two Firefox windows on different monitors, in my situation below:

- One on a 1920*1080 hori screen, with vertical tab sidebar disabled - One on a 1080*1920 vert screen, with vertical tab sidebar enabled for this window only in this case.

It brings much more convenience, at least for situations just like mine :)

Firefox recently started "eating" my tabs: closing them without my permission. There are several tabs I want to keep open at all times, because I refer to them from time to time throughout the day, but Firefox closes them from time to time. I googled the issue and the AI directed me to two settings: browser.tabs.unloadOnLowMemory and browser.tabs.min_inactive_duration_before_unload. It suggested setting the first one to "false" and increasing the duration of the second, or setting it to "false." However, the setting will only accept numeric values.

Since I am not having low memory issues, I want Firefox to leave my tabs alone. Is there any way to actually do this? If not, it would be really nice if Firefox developers reversed this intrusive change.

Thank you, Terry

This code in mozilla.cfg used to overwrite new tab, but as of latest firefox 136.0b1 no longer works. Any way to fix this? There error in Browser Console.

// mozilla.cfg needs to start with a comment line var {classes:Cc,interfaces:Ci,utils:Cu} = Components;

/* set new tab page */ try {

 Cu.import("resource:///modules/AboutNewTab.jsm");
 var newTabURL = "file:///D:/Documents/images/home.html";
 AboutNewTab.newTabURL = newTabURL;

} catch(e){Cu.reportError(e);} // report errors in the Browser Console

Is there a functionality to view Tabs Side-by-Side, or Vertical yet? Or is there a plan for it; similar to the recent version of Edge Chromium? I have read several questions; and their work-around solutions of using a side bar or sing two windows and arranging them side-by-side. Neither functionality offers synchronized scrolling. I used Tile Tabs or We Tabs add-on in the past which was great.

Hi. Yesterday something weird and unexpected happened to my Firefox and amongst other things it lost all my open tabs, of which there was about 70 or so. Another strange thing which happened is a website I use turned into Japanese language all on its own and in the end I was forced to delete cookies for that website to revert it to English, even though it was never changed in the first place. My homepage shortcut tiles were also all rearranged and some deleted. I have no idea what caused all this, but the biggest issue for me is that I lost all my open tabs. I refreshed Firefox to try to cleanse whatever it was that caused this, but even before this I lost my tabs.

My question here is; I am sure that the history of those open tabs is still listed somewhere on a file and I can get back my previous session which had all the tabs on it, but I have no idea where it is or where to look. How do I do this and where do I find the older file with the open tabs.

Thanks.

The new native tab group feature has an option to "Save and close group", implying that you can restore the group. But doing this, you will find that the group disappears.

Is this a known bug? Has anyone figured out how to restore a saved tab group?

Until now I have always used the mouse scroll key to open links in a new tab in firefox. Now it does not work anymore. I have to right click the link and choose to open the link in a new tab. Have been looking for a setting for it, but can't find it. Is this something new? I want Firefox to work as it has always done sincce I started using it many years ago. Please help!

It won't save open tabs when I close Firefox. Each time I have to go to: Setting>>History>>Recently closed windows. In General settings it's ticked Open previous windows and tabs. I already tried to turn off all extensions.

I'm trying to replicate my windows setup in Fedora 42. I have been really liking the new vertical sidebar tabs option in windows. I have a lot of tabs and so rely on inertial scrolling to flick through them quickly.

However, there's odd behaviour with this in linux. With the window protocol set to xwayland, inertial scrolling on the sidebar tabs works, but inertial scrolling does not work in websites. Setting the window protocol to wayland (the general online recommendation to fix inertial scrolling), inertial scrolling in the tab list does not work, making them much less useful.