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When Firefox is running in a non-maximized window, an unwanted empty space appears on the left side of the tab bar, before the first tab.

This space is not present when the Firefox window is maximized. It appears automatically whenever the window is restored to a smaller/non-maximized size.

The issue affects the tab bar layout and leaves a noticeable unused area on the left side of the tabs. I would like to know whether this is expected behavior or a UI bug.

Firefox version: 155.0 64-bit Operating system: WINDOWS 11 25H2 64-bit

A few updates ago, headers and footers started appearing on anything I print from Firefox. No other printing from any other source does this. All the settings (advanced settings) show header/footer as off, and 'none' in all the header footer options. I have attempted every combination available and can't get rid of the headers and footers. I Don't Want Them!

Could somebody please tell me what settings I did not make ....

I have four gmail accounts, say A, B, C and D. A is the default.

If I send a message from B to an outside email address, the reply routing is returned to the A address and not the B sending address.

If I send a message from B to C then the message is not received anywhere, it simply disappears.

If I open a browser and send a message from B to C then the message is delivered. So I know that the problem is with Thunderbird and not the email service.

Please tell me what I need to change in the settings ....

Thunderbird 128.7.1esr (64-bit) on Windows 10 PC. Upon going to my Sent Folder, I find only 2 emails (both sent today) rather than the several thousand that were there previously. This may have occurred due to a power outage system shutdown. Regardless of the cause, the problem exists. I tried to compact the folder with no success. I tried to repair the folder (under folder properties > general information > repair folder) with no success. Still only 2 emails are shown in the Sent Folder. BUT the emails still exist, because when I use the Quick Filer to search for a person to whom I've sent emails, the old emails show up! So how can I get all these "invisible" emails to be visible in the Sent Folder? Thanks for your help on this! Rich

With Thunderbird 155 our Shortcuts deletion plugin doesn't work anymore.

Now all the worst shortcuts like "a" are back. 

(I never understood why it isn't something like "Alt+A" )

We need to deactivate all the *(/&%$&% shortcuts. We deactivated them via a plugin. But the plugin does't work with 155. Does someone knew what mozilla chaged with the shortcuts handling, so we can change our plugin acordingly?

This shield on the search bar is making firefox on win11 unusable for me. I set browser.urlbar.trustPanel.featureGate = false but it still displays. Why do they keep making these changes, it seems like every month there is a new change requiring setting changes,

This was mistakenly posted in the Firefox stream. Amended with apologies.

The latest Snap update on my Kubuntu laptop is marked as a BETA version. I haven't selected the BETA stream, and I checked and snap seems to be pointed at the stable version.

I like to keep track of changes at each install and there's no Release Notes available.

Is this an error at your end or do I need to change something to get back to a stable version?

Weathersa.co.za recently launched a new website. There is a function to select towns for a forecast. The select function is not working on Firefox Windows. It seems that Privacy Badger may have issues with the site on Windows. If I turn all ad and track blockers off the site works correctly on Firefox Android. I cannot get it to work properly on Windows. Has anyone else has this problem, Suggestions to resolve this please

I'm thinking about using the LanguageTooler grammar checker that's listed among Thunderbird's add-ons but I've seen reports on Reddit saying that it's only FOC for a limited time, after which you need to stump up a monthly fee,

Does anyone know of a cheaper alternative?

I receive emails, but can`t send any, there`s the note: Sending the message failed. An error occurred while sending the message. Mail server response: SPF ERROR - see page / SPF Error: Please see http://www.openspf.org/Why?id=kubtrans.justyna%40o2.pl&ip=83.30.162.147&receiver=smtp.wp.pl. If you are a poczta.wp.pl user, check the SMTP authorization. / If you are a poczta.wp.pl user, check the SMTP configuration: http://poczta.wp.pl/autoryzacja/. Please verify that the email address is correct in the account configuration and try again.

How can I fix it?

It just started 2 days ago that ublock extension cause proton password manager to stop on w10 browser. I've been using this combo few years but now proton will exit straight away I can't decide which one I could let go, I mean I love them both