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Last February, I installed an update that wasn't compatible with my macOS 10.13.6 High Sierra. As a result, my bookmarks disappeared. For a long time, I've been getting popups on a daily basis, and sometimes twice daily, telling me to update again. Based on my last experience, I not about to install any more updates. I want these messages to stop.

just had the update...1st October 2024, version 128.3.0 esr.........in the last couple of days I have had trouble deleting emails, this results each time in "not responding" eventually delete happens, but then if I try to scroll down I get the same response and delay. Should I try to go back to the previous version or is it a different problem?

For some reason Firefox keeps telling me it won't install on Windows 8.x or lower. I have Windows 10 Home 64bit. What is the problem? What can I do to fix this. I have the latest updates for windows.

Firefox 64-bit installed to a completely new installation, but did not update my existing 32-bit version.

How can this update to the 64-bit version be done and still retain all of the tabs, favorites and saved data already in the 32-bit version?

Please advise. Thank you.

We keep track of the latest version of Thunderbird via this link: https://product-details.mozilla.org/1.0/thunderbird_versions.json

Since some time it reports the 131.0 version as the latest stable version. I wonder if this is correct, because the release notes page doesn't mention this version at all.

Response from json: LATEST_THUNDERBIRD_ALPHA_VERSION  : 54.0a2 LATEST_THUNDERBIRD_DEVEL_VERSION  : 132.0b2 LATEST_THUNDERBIRD_NIGHTLY_VERSION : 133.0a1 LATEST_THUNDERBIRD_VERSION  : 131.0 THUNDERBIRD_ESR  : 128.3.0esr THUNDERBIRD_ESR_NEXT  :

https://www.thunderbird.net/en-US/thunderbird/releases/ Doesn't mention the 131 version.

When manually adjusting the version number in another release notes page, it will show the actual release notes. But it mentions that this release is for testing purposes only. https://www.thunderbird.net/en-US/thunderbird/131.0/releasenotes/

Is it possible to change the versions.json to actually show the latest stable version? And perhaps do the same as the firefox_versions.json, to also include the additional ESR channel (esr115).

Thank you in advance

I installed an automatic Mozilla update and as a result could no longer access my Thunderbird email. I tried reinstalling Thunderbird 128.3 Oesr and placing a saved copy of my Profiles on Dropbox to the Thunderbird folder in AppData and rebooting. I have tried many versions of this but always get a message saying an unexpected occur has occurred. How do I recover my email folders (inbox, outbox, and local) and address book? Together they comprise almost 6 gigs.

Everything always worked great until this upgrade emerged.

Thanks, Bob Gloudemans

Since yesterday I have Thunderbird nebula 128.2.3esr on my Windows 10. But I cannot find my calendar and the new left sidebar isn't available, but only a little button on the left upper corner with seven button without function. I've tried a lot, I cannot find any description about a same failure in the Internet.

Hi really sorry about this I'm new to Firefox & I don't know how to report a possible bug or if this is even a bug but I opened Firefox this morning & my search bar is now at the bottom of my screen even after closing & reopening it

Important update! On March 14, 2025, a critical root certificate in Firefox will expire. If you’re still using an older version (before Firefox 128 or ESR 115.13+), it’s crucial to update to Firefox 128 or newer to avoid issues with add-ons, DRM-protected content, and other features.

For full details, check out Update Firefox to prevent add-ons issues from root certificate expiration.

If you have questions about the update or need help with the process, this is the place to ask! Whether you’re just starting or you’ve already updated and want to share your experience, we’d love to hear from you.

Let’s come together, share tips, and ensure we’re all prepared. Drop your questions or insights below!

I keep getting a message on facebook stating my browser(Firefox) is no longer supported even though it is updated to newest version....i have cleared cache and cookies and I still get the same message on facebook. (See attachment screenshot).

Firefox appears as a different application on the Taskbar with some default icon (not the Firefox icon). This happens regardless it is started from the Start Menu or from the pinned Taskbar icon.

This behavior appeared recently, I used Firefox for years on this PC without this issue. I guess it is caused by an update (Windows or Firefox).

OS: Windows 11 Pro 23H2 22631.4169 Firefox: 131.0 (64-bit) Microsoft Store version