[IT-SecNots] [MediaWiki-announce] Maintenance release: MediaWiki 1.39.17

[Sam Reed <reedy AT wikimedia.org>]

I would like to announce the release of MediaWiki 1.39.17.

This release primarily serves as a security and maintenance release for
this branch.

REL1_39 had an issue with the backport for T406664.

The tarballs have already been uploaded as of this email, and the git tag
has been pushed.

It has also taken some time to remediate test and parser test failures for
T407131. This is the reason that the git tags took a while to be pushed,
due to the time taken to get changes through our CI and merged.

The patch is therefore fairly large to incorporate those test changes, and
also a cycle of l10n updates.

Follow-up releases are not necessary for REL1_43, REL1_44 or REL1_45.

As a reminder, MediaWiki 1.35 became end of life (EOL) in December 2023,
MediaWiki 1.40 became EOL in June 2024, MediaWiki 1.41 became EOL in
December 2024 and MediaWiki 1.42 became EOL at the end of June 2025.

MediaWiki 1.39 (the old LTS before 1.43) becomes EOL in December 2025,
later this month. It is strongly recommended to upgrade to 1.43 (the next
LTS after 1.39), which will be supported until December 2027.

A formal EOL email for MediaWiki 1.39 will come later this month. This is
because as per our support policy, it is to be supported until the end of
the month, but we are not expecting any further changes to be made to the
branch.

== Links to all mentioned tasks ==
* https://phabricator.wikimedia.org/T406664
* https://phabricator.wikimedia.org/T407131

== Release notes ==

Full release notes for 1.39.16:
https://phabricator.wikimedia.org/diffusion/MW/browse/REL1_39/RELEASE-NOTES-1.39
https://www.mediawiki.org/wiki/Release_notes/1.39

**********************************************************************
Download:
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-1.39.17.tar.gz
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-1.39.17.zip

Download without bundled extensions:
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-core-1.39.17.tar.gz
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-core-1.39.17.zip

Patch to previous version (1.39.16):
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-1.39.17.patch.gz
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-1.39.17.patch.zip

GPG signatures:
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-core-1.39.17.tar.gz.sig
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-core-1.39.17.zip.sig
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-1.39.17.tar.gz.sig
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-1.39.17.zip.sig
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-1.39.17.patch.gz.sig
https://releases.wikimedia.org/mediawiki/1.39/mediawiki-1.39.17.patch.zip.sig

Public keys:
https://www.mediawiki.org/keys/keys.html
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