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I just updated my iMac from Mojave to Catalina 10.15.7. I thought Firefox would provide an update to convert the esr version to the standard Firefox browser since I am no longer using Mojave, but the next update is 115.15.0esr. Is that correct? My understanding is that the esr updates are just for computers using older operating systems through Mojave. I did not update to 115.15.0esr since I am not sure if that is the right version for Catalina. Any information and assistance you can provide me is greatly appreciated. Thank you.

Hello everyone,

support for Windows 7, 8 and 8.1 will end in September with the end of the ESR 115 branch. Corresponding support article

Is this still the current status or are there any plans to support the old Windows versions for a little longer?

Thanks and regards, Martin

Hallo, ich habe einen neuen PC mit neu Win 11. Da habe ich Thunderbird neu installiert. Alle meine Mails sind bei Web.de gespeichert. Durch die neue Installation sind alle persönlich angelegten Ordner unter dem Ordner: "Lokale Ordner" verschwunden. Wo kann ich diese wiederfinden? Liebe Grüße Hans

I've noticed that after a few months Firefox ESR will go from being one specific version to two different version tracks. Eventually the older track is removed and the newer one is continued until it then splits. Can someone tell me why this happens and is there an easy way to swap over to the current track? I've included an attachment of what i'm talking about.

Hello,

After upgrading the Thunderbird to the latest version (128.0.1esr (32-bit)), and trying to switch View->Layout->Classic View to Vertical View, and back to the Classic View, messages from last almost 15 months are not visible. Messages prior to 15 months ago are visible, and from that point, just couple of them showing totally unrelated content than nothing; looks like something is corrupted.

After the latest Thunderbird upgrade, one new message arrived and everything looks OK.

Any hint please?

Thanks. Branko

For a few days now whenever a new tab opens, either by clicking a link in search results or by clicking a link in an email, the cursor jumps to the bottom of the page and I have to scroll to the top of the page. I'm just getting started with Windows 11 on a new computer. What happened to cause this?

Hi On my Computer I have some locale folders with a lot of mails. Have installed Thunderbird on my Android Mobile and want to see all these locale folders. How and where do I place these locale folders to be able to see them on my Mobile ??? Have attached part of my Mail window to show locale folders. Regards John Gyrud

Today just after an auto update of Thunderbird from 115.14.0 to 128.1.1 the ability to drag a selected number of addresses from an address book window to the address field or the cc or bcc field in a new e-mail. We have an address book with sub folders. This has caused undue headaches dragging addressees one at a time. Can anyone help with why this upgrade has cause this or if there is a setting that needs changed. Tried to change back to old version 115.40 but the system I guess changes the profiles so they can't be back loaded.

After a crash I had to reinstall ubuntu and switched to 24.4 where Thunderbird is installed via snap.

I have my old home directory with my old .firefox installation and want to copy my data from the old installation to the newe tb. How can I do this ? brds

I have only my profile file (eg 1b3ylg2i-default) from backup. I copied it into the Thunderbird\profiles folder on the new computer. I have tried changing the information in the parent higher up files (installs.ini and profiles.ini) to match, but no luck. Thunderbird complains that it cant find my profile. The source computer is dead, I have only this file as backup.

Is there a way?

The update which was released recently, 130.0 (64-bit) is causing issues across my company. Those who've installed it via the Microsoft Store or had an admin manually install it are unable to launch Firefox, with an "application was unable to start correctly (0xc0000022) pop up that appears several times when it is closed and Firefox never opens.

Under About Firefox, I see an error that it is "unable to check for update due to an internal error".

I've been able to get Firefox to install by completely removing it and installing with the EXE as an admin. However when I do I am unable to restore my user's Bookmarks from the JSON file as regardless where that file is, Firefox claims it does not have permission to access the file. The same occurs if attempting to upload a file, Firefox again claims a permissions error. Finally if you download a file, you cannot launch it from the Firefox toolbar, again because of permissions.

The files are in folders that all users have access to, I have confirmed that the user account, SYSTEM and Authenticated Users all have access to the folders the files reside in. I would upload screenshots, but as mentioned Firefox doesn't have permission to do so.

Thank you, Jeremy Hellstrom

Firefox will not start. Error message. 130.0 not compatible with 129.0.2. Windows 10. Started after update download and install. Wife's computer...not this one.