Firefox ESR 128.4.0 released

[Ryan VanderMeulen]

We are pleased to announce that the Firefox ESR 128.4.0 release is now
available for download at https://www.mozilla.org/firefox/organizations/all/.

Release notes for Firefox 128.4.0esr are available at:
https://www.mozilla.org/firefox/128.4.0/releasenotes/

Associated security advisories are posted at:
https://www.mozilla.org/security/advisories/mfsa2024-56/

Firefox ESR 115.17.0 is also now available for Windows 7-8.1 and macOS
10.12-10.14 users per the previously-announced window of extended security
support for that release.

Release notes for Firefox 115.17.0esr are available at:
https://www.mozilla.org/firefox/115.17.0/releasenotes/

Associated security advisories are posted at:
https://www.mozilla.org/security/advisories/mfsa2024-57/

As always, we recommend that users keep up to date with the newest version of
Firefox ESR for the latest stability and security fixes.

Thank you,
Ryan VanderMeulen
Firefox Release Manager

[Andrei Boros]

Regarding Firefox ESR 115 generation for Win7-8.1.

I have just encountered multiple mixed problems with the new 115.17.0 update.
115.16.0 installed -> updated ok (at least 2 distinct instances)
115.16.1 portable (1) -> update failed
115.16.1 portable (2) -> updated ok
115.8.0 installed -> update failed.
115.14.0 portable -> updated ok (same as (2) above, just a separate copy on another computer, with different usage schedule))
115.15.0 portable -> update failed (same as (1) above, just a separate copy on another computer, with different usage schedule)

The installed variant requires manual administrator intervention.
The portable variant I really don't know how to update without data loss.

It starts with "downloading update, 0 from 7.8MB", after 2-5 seconds it switches to something like 60MB and then says update failed, download and install manually.
Various instances listed above on different computers, residing on different networks.

So far, the only consistent behaviour I found was:
- multiple copies of a certain Firefox ESR Portable with it's profile - fail to update
- multiple copies of another (different) Firefox ESR Portable with it's profile - updates successfully.
Since both instances were in use for a long time now, and incrementally updated along without problems, some up to 115.16.1

One 115.8.0 installed instance has a very basic profile, without extensions, it still failed.

I am lost at this time as to how to resolve this.

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ing. Andrei Boros

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[Mike Kaply]

I'm going to focus on this one:

115.8.0 installed -> update failed.

because it's easy for me to try.

It's not failing for me, though.

What is the exact error you are seeing?

Mine updated to 115.12.0 first and then to 128

Mike

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[Andrei Boros]

It says in this order:
Checking for new version
Downloading ... (shows a small total size)
Downloading ... (shows a large size cca 60M, for a short time, <0.5s)
Update failed followed by a link "download the latest version"

All these in the Help -> About window.

------------------
Separately, I get a popup notification on the right:
Update available
Firefox couldn't update automatically. Download the new version --- you won't lose saved information or customizations.

All these on a Win7.

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[Andrei Boros]

For me it is easier to focus on the portable instances, because I can easily make a copy before attempting changes.

On 2024-10-30 6:02 PM, 'Mike Kaply' via enter...@mozilla.org wrote:

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[Mike Kaply]

If you go into about:config, you can find the preference

app.update.log

and set it to true and the browser console will have a lot of info about the update process that could help us track this down.

Mike

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[Ulrich Gaiser]

I have the same problem here when trying to update Firefox 115.16.1 to 115.17.0 on a Windows 7 system.

Firefox tries to download the correct update file, but gets a file of a different size from the download server and
therefore cancels the download. See log file in the attachment.

Uli

[Mike Kaply]

We think we've resolved these update issues.

Could you try again?

Mike

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[Ulrich Gaiser]

Yes, problem solved, thank you very much.

Uli