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Recently we've began installing Firefox 140.2.0esr to our environment via the .msi file that Mozilla provides, however we're running in to a very odd incident.

After approximately 24 hours from installing Firefox esr to devices, it appears that the application is "updating" to 141.0.3 on the "release" channel. As far as I'm aware, this shouldn't be possible to begin with. But we've applied these settings via GPO:

Computer Config > Policies > Admin Templates > Mozilla > Firefox Application Autoupdate = Disabled Pin updates to a specific version = Enabled = Set to 140.2.0 Background updater = Disabled Disable Update = Enabled Manual Update Only = Enabled

After applying the GPO, confirmed this appears within the registry:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Mozilla\Firefox\ AppAutoUpdate = 0 AppUpdatePin = 140.2.0 BackgroundAppUpdate = 0 DisableAppUpdate = 1 ManualAppUpdateOnly = 1

At this point, I'm at a loss. We cannot have rapid release be what's installed in our environment. Is there something broken with 140.2.0 or are we doing something wrong here?

Thunderbird Flatpak 140.3.1esr (64-Bit)

flatpak update Info: runtime org.freedesktop.Platform branch 23.08 is end-of-life, with reason:

  org.freedesktop.Platform 23.08 is no longer receiving fixes and security updates. Please update to a supported runtime version.

Info: applications using this runtime:

  org.mozilla.Thunderbird

Info: runtime org.freedesktop.Platform.VAAPI.Intel branch 23.08 is end-of-life, with reason:

  org.freedesktop.Platform 23.08 is no longer receiving fixes and security updates. Please update to a supported runtime version.

Info: applications using this extension:

  org.mozilla.Thunderbird

Info: runtime org.freedesktop.Platform.GL.default branch 23.08-extra is end-of-life, with reason:

  org.freedesktop.Platform 23.08 is no longer receiving fixes and security updates. Please update to a supported runtime version.

Info: applications using this extension:

  org.mozilla.Thunderbird

Info: runtime org.freedesktop.Platform.GL.default branch 23.08 is end-of-life, with reason:

  org.freedesktop.Platform 23.08 is no longer receiving fixes and security updates. Please update to a supported runtime version.

Info: applications using this extension:

  org.mozilla.Thunderbird

The last Firefox update to one of my Windows 10 machines was to 115 (which I thought was only for Win 7 & 8 installs). When I review the Help/About screen it is requesting an upgrade to 128, but 146 is the latest release. The ESR release for Win10 is 140.

After the latest (mid-December) Windows update destroyed so many things, including the sizing, movement, and display of Firefox windows, I'm freezing the automatic Microsoft update sequence, and installing the ESR 140 release as well.

Just trying to understand how Firefox determines which update level a browser will automatically download and install based on an existing, standard or ESR, release it finds installed.

Thank you.

Hello!

Currently we deploy Firefox via SCCM Package on our machines. The problem is, that Firefox currently only updates itself when you opened it once. This leads to all sorts of Vulnerability warnings etc.

At the moment these regkey settings in HKLM\SOFTWARE\Policies\Mozilla\Firefox are configured: AppAutoUpdate (REG_DWORD) 0x00000001 (1) DisableAppUpdate (REG_DWORD) 0x00000000 (0)

These two are enough for the updates, when the user opened Firefox (and created a profile).

So we tried the information detailed on this page: https://firefox-source-docs.mozilla.org/toolkit/mozapps/update/docs/BackgroundUpdates.html

To achieve a 100% unattended update we added following Key: BackgroundAppUpdate (REG_DWORD) 0x00000001 (1) which yielded no results. Firefox stayed on his old Version (V131 for this example).

We also added pref("app.update.langpack.enabled", false) in the autoconfig.js File as kind of a 'hail mary' action (bc. the documentation wrote, that this setting should be disabled); but it still does not work.

We've been through this rabbit hole quite some times now, and researching it also yields inconclusive results. (answers like: you still need to start Firefox once, before it can update).

So, what are we missing/doing wrong? Is a true unattended Background Update even possible or is "start Firefox once to create a profile" still the only way to go?

Thanks in advance for your time & help

SYS.INFO: • OS Version: Microsoft Windows 10 Professional (x64) Version 22H2 (build 19045.6218) • Processor: Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz, Intel64 Family 6 Model 94 Stepping 3, CPU Count: 8 • Total Physical RAM: 16 GB • Graphics Card: Intel(R) HD Graphics 530, 1024 MB • Hard Drives: C: 476 GB (361 GB Free); D: 664 GB (483 GB Free); P: 267 GB (80 GB Free); S: 1862 GB (1687 GB Free); T: 1863 GB (1687 GB Free); • Motherboard: HP 829E, ver KBC Version 06.29, s/n PGAXV0QNNB7EO6 • System: HP, ver HPQOEM - 0, s/n 8CG8343NN9 • Antivirus: Windows Defender, Enabled and Updated

• Windows 10 Professional (x64) Version 22H2 (build 19045.6218) • Firefox 142.0.1 (64-bit) • Thunderbird 128.10.1esr (64-bit)

======================================

THE ISSUE: When opening Firefox, (Attachment #1 - below) appears. Seems to have nothing to do with any reality . . . as when I check in SETTINGS (Attachment #2 - below). 1. So, who's telling the truth? 2. How do I stop the popup (Attachment #1) from making it's nagging, inaccurate appearance?

Thank you / Nels

Ever since I stupidly let Thunderbird 'update' to 140.5esr 64bit the date format has been wrecked. The program now forces the plain weird US date format of Month-Day-Year. I hoped that this obvious error would be fixed but it's been rather a long time now and the problem - and IT IS A PROBLEM - hasn't been addressed. It looks like Thunderbird is following Firefox in making each version worse. Whilst I switched to Pale Moon long ago there is as yet no fork of Thunderbird. If I were still on Windows for internet use I would just install an older version alas I do not know how to do this on Linux (Q4os Trinity) PLEASE fix this problem. I am far from the first to point this massive mistake out.

I am genuinely grateful to the people who work on these projects but a little more effort on actually being able to use the programs would be a substantial advance.

Recently upgraded to windows 7, and upgraded firefox to version 115. Why am I getting notices that Windows Vista is no longer supported. [upgraded from vista to 7]

Could someone please tell me what the latest version of Thunderbird is on the Release Update Channel? I am on version 139.0.2, and when I check for updates in the app, it says that Thunderbird is up-to-date. Is version 140.0 not going to be available on the Release Update Channel?

I would like to know, if there is a reason that the Thunderbird Flatpak still remains on a version published on July 7. Iam switching back to Thunderbird, because of the new Microsoft Exchange Feature.

Is there a Timeline for how the Flatpak updates are delayed or anything that can be done to push the current version into Flathub?

I have a Thunderbird 32 bit version 128 running on Windows 10 Pro. 16 GB memory with 512 GB storage

I first like to know if I upgrade to 64 bit version of Thunderbird. Beside doing a backup of the 32 bit version what be the best way to backup. I planning on using onedrive to backup the data. Any suggestions there is there extension anyone can recommend?

Can I upgrade to 64 bit version without having to do anything?

The second thing please reference the image attached to this thread. As you noticed there a lot of folders in INBOX and in Drafts. I tried moving them but seems they are not relocating. I even tried copying to them to another folder.

Should I try upgrading thunderbird to 32 bit first? There so many folders and subfolders that I don't think thunderbird can handle moving that much data.

The person who setup this application does not have any computer background at all.

I appreciate anyone who can assist with this issue.

I'm a senior citizen and not very good with computers. Not sure what programs I have other than Windows and Thunderbird for my email. Love the program .. not a minutes problem with it. Received a notice this am about the changes, not sure if that pertains to me. Please enlighten me.

I didn't know there was a non-ESR version of Thunderbird until I found out by chance a few days ago! Since the latest update to ESR 128.5.2 has crashed 11 times this week, I would like to move to the latest version (64 bit?) non-ESR. There must surely be an official Mozilla step-by-step guide to doing this?

Chase Bank says I can't view my accounts online because I need to upgrade to Firefox 128 or higher. How do I do this so they can support this information on my MAC computer

Ubuntu 24 LTS distro does not support the .deb package but has a SNAP for a ported version of Firefox. Instead, I installed direct Mozilla Firefox into /opt/firefox and run the Mozilla production release. Although as an ordinary user, Firefox will NOT let me use the internal update of Firefox under Help -> About Firefox, if I login as root and into a window environment such as Gnome, my /opt/firefox/firefox will do the About Firefox update internal to Firefox -- no apt involved. Mozilla has an apt repo and method to update Firefox, presumably via the Software Updater that can be run from a regular, not root, user window, perhaps asking for the sudo password. Which approach is better: internal Firefox "About Firefox" update in a root window, or using the .dep repo using non-root Software Updater?