Links to lists.wikimedia.org/pipermail/* are broken. Maybe it caused by mailman 3 migration.
Topic on Template talk:MediaWiki News
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I think it might be mid-migration, or might have stopped half-way?
Currently for me, in Template:MediaWiki_News:
- the links in the top half (and down to early 2012) all redirect to Mailman 3 correctly,
- the link for "2012-02-29" leads to a 404 error
- the links below that all go to Mailman 2.
If this hasn't changed a few hours from now, we can ping user:legoktm
That 404 is a bad link, I checked on the server and 058456.html is actually in March. So most likely someone tampered with the archives, renumbering them, and that link has been broken ever since.
When I written this topic, even the newest link(https://lists.wikimedia.org/pipermail/mediawiki-announce/2021-April/000273.html) is broken but now it is healthy... 🤔
Thank you to the people behind the scenes!