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I was excited to receive the new Tab Groups feature and am now disappointed that it's not working and I've 'lost' dozens of tabs.

Here's what I did: I created several groups by right-clicking and added tabs to each of the groups. Since it appears that only way to collapse a group is to "save and close group," I closed each group. Now they are all gone. When I right-click to create a new group or "add tab to group," the closed groups are nowhere to be found. Plus, I do not see a "list all tabs icon" on my toolbar to reopen the grouped tabs, which is what [article] says should happen.

Suggestions for making this work?

The AI chatbot is back in my sidebar. I did not opt in to this. I would prefer not to roll back to whichever version of Firefox is before the AI it's-a-feature-not-a-bug got wedged in; what other options do I have for permanently disabling AI?

Going to sidebar settings to hide the AI chatbot does not suffice. Evidence: I did that already, it has been undone, and I cannot now find the toggle in question.

Personally I vote for yanking it out of the main browser altogether, so people have to actively choose to install the AI chatbot add-on. But my question is about actions I can take myself.

i recently disabled 2fa and installed a new authentication app: Ente Auth. i keep getting invalid code each time i enter the generated code. i tried both options, scanned the QR code and entered the secret key manually. i used authy with success as my auth. app with firefox but can't use authy anymore. keep having issues setting up 2fa with other auth apps. thanks for any help you can offer. peace, Adrian

Any help to fix this would be much appreciated

I have tried restarting both firefox and my computer, disabled all extensions and started firefox in safe mode. When I try to right click on a firefox window from the taskbar it just disappears.

I have my computer connected to my TV so often when I open it up some windows will be on my TV which is behind my desk so its a pain to move them back without this function.

I hope someone can help here. I have used Tbird and FF almost exclusively from release. Thundebird is my only email program and the whole thing is playing up badly at the moment. I can send no emails. Some emails that show in the inbox show a blank screen and can not be deleted. All messages I send come back with an end of message error and SMTP blocked (see attached). This happened a few weeks ago and my email sourse gave me some new settings using port 587 and it worked ok until a few days ago then exactly the same again. They have checked and everyting works ok for them. I then checked with BitDefender to see if they could assist and everything was as expected so I did a complete computr scan with it and it came back with 3 trojan errors all of which were in Thunderbird. So I decided to do a complete delete and reinstall. No matter what I do or what I deleteincluding shutdown after every delete, when I reinstall it comes back with the total and Faulty Thunderbird So I can't start with a clean sheet. Not that I would like to as I have hundreds of contacts an email saves going back many years. Suggestions anyone

My YouTube page wont complete its opening/loading process. This just started today and has never happened before. I've tried "reloading" it several times but to no avail. I see I can open YouTube properly using the Microsoft Edge browser, but Firefox is getting stuck in the opening/loading process. I even tried "restarting my Desktop PC (that I use for this everyday). It did not help.

Can you help?

Rob Horner

Recently Mozilla had the brilliant idea of doing something they've done before...obscuring the URL/Address from the user. So now when you search the URL bar never shows the address your query is sent to because "usr 2 stoopid, need dum." Mocking aside how do you disable this trash. I just came back to Firefox being fed up with Mozilla pulling idiotic pointless weekly UI/Behavior rug pulls like this and...well some things never change.

Hello,

Suddenly some UI elements became color-inverted or almost completely black, such as the tab icons in the tab bar, the website icons on the New Tab page and some icons in the settings menu. Also, some websites appear to have this issue, but the Samsung website is the only one I found so far with this issue.

On the same day it happened I switched to an OLED HDR-capable monitor, so I assumed it would be related to HDR, but I played around with some settings and I'm not sure anymore.

What I tried: - hardware acceleration on and off - HDR completely on and off - default light theme and dark theme, no customs themes installed - all extensions disabled (I have no extensions that would influence graphics or colors anyways) - latest update already installed - nothing else changed in the Nvidia control panel as far as I remember

None of the above helped. Any advice on this is appreciated. Attaching some pictures with the issue. Using Windows 11.

Thank you!

I've installed the latest desktop version of Thunderbird to evaluate. The signature is added only for new messages and not included when replying or forwarding a message. I've tested the signature with both plain text and html signature - both doesn't work as expected. I've also tried pasting the html code in the input field and attaching it as a file. Is this an intentional omission of functionality or I'm I missing something? I'm attaching my account settings interface.

When I open any stream, it takes about 2.5 seconds from the start of the page loading to the appearance of the stream image and playback. For comparison, in version 137 it took about 1.0 seconds.

I tried to launch the browser (Firefox 138.0.1) in troubleshooting mode, and also created a new profile, but the problem remained.

I also downloaded portable versions: 137.0.1 - everything is fine. 138.0 and 140.0a1 - slow loading.

I also have Zen Browser installed (the latest version is based on 138.0.1) - everything is fine.

- Translated via Google Translate.

Can you please help me in composing a message, specifically, changing the line spacing? As I type, I may choose a different font which may require me to choose a different line spacing, either bigger or smaller for readability and aesthetic purposes. Thanks!

Hi. There is a problem with video playback when skipping through the video using a playback bar. The video (but not audio) freezes at the spot when one skippes to another part of the video and re-establishes after a while (not so short while) to the part of the video that is currently played. I'm using Linux Fedora.

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i need help please reconnect my facebook account as soon as possible if you need to send me references for this please

How do I change the scroll bar width in Thunderbird? I can change the width in W11, but it has no effect in Thunderbird. I am using Thunderbird version 128.8.1esr 64 bit.

Thank you

I have used Thunderbird for decades with no problem. On a new Windows 11 machine, though, I am having a problem. I am running 128.4.2esr (64-bit) and just reinstalled it, but keeping the profile folder.

When I start Thunderbird, it should open to mail, specifically a unified inbox and various other mailboxes below. Instead, usually, it is blank. Other reopened tabs correctly display their title and content. See screenshot.

Thunderbird works correctly if I start it in troubleshooting mode, but at this point my few add-ons are disabled. (Quicktext, Compact Headers, dark theme.) See screenshot, lightly redacted.

With Thunderbird running, in its bad mode, selecting "mail" brings up the same blank page. Also, "calendar" shows a correct list of my calendars but will not display their content. However, "address book" works, showing my address book correctly.

If I am lucky or patient -- waiting for the mail tab to potentially come to life -- Thunderbird occasionally works and, if it does, stays fine for days, as long as I don't close it. What could be going on and what should I try doing?

Thanks for any and all help.

We tried 2 different computers, but two different users. Type in the user name and the password and it looks like it will start up, but then returns to the login paged.

After Update 128.8.1esr installed on 3/19.2025, I cannot receive or send messages. Worked fine in the morning on 3/19 and after update I get nothing. I have an AOL account for my email. I can get my email by going through the AOL internet site, but nothing through Thunderbird. The previous update was 128.8.0esr installed on 3/7/2025, and that worked fine.

I would really like to move from brave, but really need tab groups before I do so.

Its marked as progressive rollout. What exactly does that mean in terms of when I can expect to get this feature?