Diễn đàn hỗ trợ Firefox

the tab groups feature doesn't work. WHen i drag one tab onto another, nothing happens, other than the tabs go back and forth. Can't put one tab over another and no group is created.

I had a Firefox update yesterday, April 29th. Since then, my Bookmarks sidebar no longer opens automatically when I open my Firefox browser. I have to go to the sidebar icon at the upper right of my screen to open the Bookmarks. I went to my settings, and the box for automatic opening was not checked. I checked the box, and it still does not function. Any ideas as to what the problem is, and what the solution could be?

Hello,

I recently updated my Firefox browser to the latest version, 138.0.1 (64-bit), on Windows.

After the update, I noticed that when playing videos in fullscreen mode (for example, on YouTube or other video websites), the Windows taskbar (the bar at the bottom of the screen with the Start menu icon) does not hide automatically. This is affecting my fullscreen viewing experience.

Before updating to version 138.0.1, the Windows taskbar would hide correctly when entering fullscreen video.

I was wondering if anyone else has encountered a similar issue with the Windows taskbar not hiding, or if there are any suggested solutions to help resolve this problem.

Thank you for your help!

I use several browsers and when it comes to functionality I consider FFox to be the best however with 1 major drawback - it's speed / lag issues which is why I stopped using it as my primary browser and only as secondary one

I can have 2 different Chromium based browsers open simultaneously and while this impacts the performance somewhat if I open Firefox and another browser responsiveness grinds to a halt (sometimes even crashes)

Even just starting Firefox by itself takes 5x as long as other browsers

So I'm wondering is Firefox just more resource intensive or is there something wrong with my setup?

The main difference between my Firefox install and my other browsers is the number of Bookmarks (10000s) due to me having it installed for much longer so is it possible for a large number of Bookmarks to slow the browser down even when not open ?

Other possible causes I read elsewhere are 'Cookies and site data' (currently around 50mb)

I clear the 'Temporary cached files' & 'Browsing history' on regular basis so they shouldn't be an issue

The add-ons I have installed are NoScript , Ublock Origin & Firefox Color

In regards to troubleshooting is it possible to install a 2nd install on the same system simultaneously without overwriting the current one ?

Thanks

Just recently, the Bookmarks sidebar quit appearing automatically when I opened Firefox. In each new window, it can be selected manually.

I posted this thread under "Privacy and Security" because other threads on the Internet (some quite old) say this issue can be fixed by changing the Browsing history settings. I tried that, but got a strange result: the Bookmarks sidebar did appear automatically, but the webpage I was on would not display any images embedded in the page. And then I wondered: why must I eliminate Browsing History just to automatically display my bookmarks?

Any help would be deeply appreciated.

I love your review checker. All of a sudden it is off. read and tried your instructions but still can't find it. on amazon looked for dollar sign to turn on-- never saw it. im. on mac, system macOS Monterey 12.7.6 and firefox says its up to date-138.0.1

After updating to version 138.0.1 for PC today I lost many bookmarks from my saved bookmarks, and also cannot restore the last saved bookmarks folder through the Firefox "Manage bookmarks" menu. HELP!

Since new update was installed today, in touch screen mode, every time a touch a link of any kind my touch keyboard pops up. This is very annoying. Where can I find the setting to turn off this option?

After Update to 138.0 my sideabar (bookmarks) is away. I can reactivate the sidebar on the left side as wished. But when I open a new Firefos Window or Tab the sidebar ist away again. What have they done, mozilla ?? How can I get mey bookmarks ALWAYS shown on left side of any Window or tab ?

Despite Tab Groups not yet being "rolled out" in Australia, I am wondering if "Container Tabs" will still be Supported (in the following ways):

1. Will Container Tabs still be able to be used effectively in concurrence with Tab Groups? 2. Is it planned that Tab Groups is being developed to replace Container Tabs? 3. If one will be able to use Container Tabs concurrently with Tab Groups, can different Container Tabs Types be split over different Tab Groups? 4. Is it planned that Tab Groups will supersede Container Tabs in terms of Protection, Privacy, etc.....? 5. Will Tab Groups be able to be put to sleep/hibernate in order that Firefox "speed/memory" is not effected?

Whilst on the subject of Tab Groups and Container Tabs: 6. Up until a few updates ago, when the mouse was hovered over a Container Tab, a dialogue box would indicate: the Tab Subject, Site Identity and Container Tab Type. Please bring back the Container Tab Type when the mouse hovers over a Container Tab..! 7. When this (Valuable) information was ceased, the only way to get similar information - namely the Container Tab Type - has been to use the: List all tabs icon {tab icon 2} at the Right hand end of the toolbar. It is a blessing that this was not changed, but still a bit of a nuisance to check them both! Why is this an issue you may well ask? - I am sure I am not the only Firefox user (Forever) - with memory decline!

Thanx

I have no idea where the ad blocker is here on Firefox and cannot turn it off when I need to. It is crazy that it is so difficult to find AD BLOCKER - I find articles that say how to do it but they make no sense because I try to follow and it still does not work. I need to know how to turn off the ad blocker - especially when I want to use Rakuten - I cannot never use it because I cannot manage my ad blocker when I need to

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?

DO NOT COPY AND PASTE! This is not written correctly! Someone please help with this or correct the code. I tried different ways to do this and nothing works ---- I am beyond frustrated with it.

Security features warning

You may see a warning that “some of Firefox’s security features may offer less protection on your current operating system”.

The sandbox in Firefox makes use of unprivileged user namespaces when creating new processes for enforcing more security. This can be considered a security risk, therefore some Linux distributions have started to restrict its usage and only allow it to work where there is an AppArmor profile.

Such profiles can only cover a limited set of installations paths, including Snap and Debian packages. They cannot however cover some other use cases, such as tarball installations as well as local development builds.

To create an AppArmor profile for Firefox:

In /etc/apparmor.d/, create a file with the name firefox-local

In the file, add the following:

1. This profile allows everything and only exists to give the
2. application a name instead of having the label "unconfined"

abi <abi/4.0>, include <tunables/global> profile firefox-local /home/<USER>/bin/firefox/{firefox,firefox-bin,updater} flags=(unconfined) {

   userns,
   # Site-specific additions and overrides. See local/README for details.
   include if exists <local/firefox>

}

Replace <USER> with your Linux user name. This assumes the Firefox install is at $HOME/bin/

Once you have saved the file, run sudo systemctl restart apparmor.service in the Linux terminal.

After updating to version 138.0, the browser put up an announcement page that informed me that I now have access to a great new feature, tab groups. It's actually a great addition to the browser IMO.

But it's absent. I read the announcement page, then the help page it links to. Every description is inapplicable to my browser, there us no drag-over behavior for tabs, there is no "add tab to new group" option when right clicking. I updated to 138.0.1, same thing. There is a topic in Connect.mozilla.org about tab groups as a beta feature, and it's been up in beta since March. But my browser does not have it.

Granted, the help page vaguely says that no all users will see this feature as it's rolled out gradually until May 6th. But why then tell me that I already have it on update? And why is it rolled out gradually if it's already been in beta?

I am using 138.0.1 (aarch64) on a Mac. The new tab feature simply does not work. When I place one tab over another, they simply scoot around one another to make space; no new tab group is created. Any ideas? Thanks.

Since the latest update to my Firefox, videos (for example, in documents such as surveys) either do not load or they freeze. And in some streaming applications, either they play with no sound or when sound is turned on the video freezes. This was never a problem until recently. iMac desktop (2017) Ventura 13.7.4 Firefox 136.0.2 (64 bit) The same issue does not occur on Safari or on my iPad (using Firefox). Any advice?? Thanks.