Not sure what the point of https://releases.wikimedia.org/mediawiki/1.32-rc.1/ is, the files are all in the https://releases.wikimedia.org/mediawiki/1.32/ folder...
The mailing list posts don't use that 1.32-rc.1 folder
https://lists.wikimedia.org/pipermail/mediawiki-announce/2018-November/000224.html
https://lists.wikimedia.org/pipermail/mediawiki-announce/2018-December/000225.html
reedy@releases1001:/srv/org/wikimedia/releases/mediawiki$ ls -al 1.32* 1.32: total 322784 drwxrwsr-x 2 legoktm releasers-mediawiki 4096 Jun 6 15:44 . drwxrwsr-x 34 root releasers-mediawiki 4096 Jun 7 01:40 .. -rw-r--r-- 1 twentyafterfour releasers-mediawiki 5841 Jan 11 03:00 mediawiki-1.32.0.patch.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 566 Jan 11 03:00 mediawiki-1.32.0.patch.gz.sig -rw-r--r-- 1 legoktm releasers-mediawiki 36577732 Nov 9 2018 mediawiki-1.32.0-rc.0.tar.gz -rw-r--r-- 1 legoktm releasers-mediawiki 543 Nov 9 2018 mediawiki-1.32.0-rc.0.tar.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 168589 Dec 12 22:21 mediawiki-1.32.0-rc.1.patch.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 543 Dec 12 22:21 mediawiki-1.32.0-rc.1.patch.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 36172617 Dec 12 22:21 mediawiki-1.32.0-rc.1.tar.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 543 Dec 12 22:21 mediawiki-1.32.0-rc.1.tar.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 13519 Jan 4 01:52 mediawiki-1.32.0-rc.2.patch.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 566 Jan 4 01:52 mediawiki-1.32.0-rc.2.patch.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 36210323 Jan 4 02:00 mediawiki-1.32.0-rc.2.tar.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 566 Jan 4 02:00 mediawiki-1.32.0-rc.2.tar.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 36168475 Jan 11 03:01 mediawiki-1.32.0.tar.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 566 Jan 11 03:01 mediawiki-1.32.0.tar.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 8287 Feb 20 14:03 mediawiki-1.32.1.patch.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 566 Feb 20 14:03 mediawiki-1.32.1.patch.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 36175836 Feb 20 14:03 mediawiki-1.32.1.tar.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 566 Feb 20 14:03 mediawiki-1.32.1.tar.gz.sig -rw-r--r-- 1 reedy releasers-mediawiki 18432 Jun 6 15:37 mediawiki-1.32.2.patch.gz -rw-r--r-- 1 reedy releasers-mediawiki 95 Jun 6 15:37 mediawiki-1.32.2.patch.gz.sig -rw-r--r-- 1 reedy releasers-mediawiki 36188194 Jun 6 15:36 mediawiki-1.32.2.tar.gz -rw-r--r-- 1 reedy releasers-mediawiki 95 Jun 6 15:37 mediawiki-1.32.2.tar.gz.sig -rw-r--r-- 1 legoktm releasers-mediawiki 28393373 Nov 9 2018 mediawiki-core-1.32.0-rc.0.tar.gz -rw-r--r-- 1 legoktm releasers-mediawiki 543 Nov 9 2018 mediawiki-core-1.32.0-rc.0.tar.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 28103429 Dec 12 22:21 mediawiki-core-1.32.0-rc.1.tar.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 543 Dec 12 22:21 mediawiki-core-1.32.0-rc.1.tar.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 28105037 Feb 20 14:04 mediawiki-core-1.32.1.tar.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 566 Feb 20 14:04 mediawiki-core-1.32.1.tar.gz.sig -rw-r--r-- 1 reedy releasers-mediawiki 28107660 Jun 6 15:35 mediawiki-core-1.32.2.tar.gz -rw-r--r-- 1 reedy releasers-mediawiki 95 Jun 6 15:37 mediawiki-core-1.32.2.tar.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 20 Dec 12 22:21 mediawiki-i18n-1.32.0-rc.1.patch.gz 1.32-rc.1: total 98692 drwxr-sr-x 2 twentyafterfour releasers-mediawiki 4096 Dec 11 17:07 . drwxrwsr-x 34 root releasers-mediawiki 4096 Jun 7 01:40 .. -rw-r--r-- 1 twentyafterfour releasers-mediawiki 36577732 Dec 11 17:07 mediawiki-1.32.0-rc.0.tar.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 168589 Dec 11 17:07 mediawiki-1.32.0-rc.1.patch.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 543 Dec 11 17:08 mediawiki-1.32.0-rc.1.patch.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 36172617 Dec 11 17:07 mediawiki-1.32.0-rc.1.tar.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 543 Dec 11 17:08 mediawiki-1.32.0-rc.1.tar.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 28103429 Dec 11 17:07 mediawiki-core-1.32.0-rc.1.tar.gz -rw-r--r-- 1 twentyafterfour releasers-mediawiki 543 Dec 11 17:08 mediawiki-core-1.32.0-rc.1.tar.gz.sig -rw-r--r-- 1 twentyafterfour releasers-mediawiki 20 Dec 11 08:06 mediawiki-i18n-1.32.0-rc.1.patch.gz