For posterity: I've extracted a list of wiki IDs by downloading the spreadsheet as a web page (File -> Download -> Web page (.html)), then grep and replace [a-z]+\.wikipedia.org.

kowiki
jawiki
tlwiki
bclwiki
cebwiki
pagwiki
warwiki
ilowiki
pamwiki
thwiki
viwiki
mywiki
tetwiki
jvwiki
suwiki
banwiki
minwiki
bugwiki
gorwiki
bjnwiki
bmswiki
acewiki
niawiki
madwiki
btmwiki
bbcwiki
bewwiki
kgewiki
ibawiki
dtpwiki
mnwiki
pwnwiki
lowiki
kmwiki
orwiki
bnwiki
hiwiki
tewiki
mlwiki
pawiki
newiki
tawiki
urwiki

then used the above list with shell.php locally to get a list of localized project names (the project-localized-name-XXX messages in WikimediaMessages). And then confirmed that the output matches the list in the task description (modulo some small differences in localized names).

Change #1138405 had a related patch set uploaded (by Daimona Eaytoy; author: Daimona Eaytoy):

[operations/mediawiki-config@master] Enable the CampaignEvents extension on 43 more wikis

https://gerrit.wikimedia.org/r/1138405

In T392240#10761605, @Daimona wrote:

And then confirmed that the output matches the list in the task description (modulo some small differences in localized names).

Well, all except bmswiki for Banyumasan Wikipedia. I thought it was just a missing message, but the correct language code is actually map-bms. In hindsight, I should've included hyphens in my regexp. I did it just now and map-bms is the only occurrence.

Scheduled for 2025-04-29 13:00Z.

Change #1138405 merged by jenkins-bot:

[operations/mediawiki-config@master] Enable the CampaignEvents extension on 43 more wikis

https://gerrit.wikimedia.org/r/1138405

Mentioned in SAL (#wikimedia-operations) [2025-04-29T13:07:46Z] <lucaswerkmeister-wmde@deploy1003> Started scap sync-world: Backport for [[gerrit:1138405|Enable the CampaignEvents extension on 43 more wikis (T392240)]], [[gerrit:1139517|Set flow boards readonly on fiwikimedia and gomwiki (T380909)]]

Mentioned in SAL (#wikimedia-operations) [2025-04-29T13:14:28Z] <lucaswerkmeister-wmde@deploy1003> daimona, zoe, lucaswerkmeister-wmde: Backport for [[gerrit:1138405|Enable the CampaignEvents extension on 43 more wikis (T392240)]], [[gerrit:1139517|Set flow boards readonly on fiwikimedia and gomwiki (T380909)]] synced to the testservers (https://wikitech.wikimedia.org/wiki/Mwdebug)

Mentioned in SAL (#wikimedia-operations) [2025-04-29T13:25:26Z] <lucaswerkmeister-wmde@deploy1003> Finished scap sync-world: Backport for [[gerrit:1138405|Enable the CampaignEvents extension on 43 more wikis (T392240)]], [[gerrit:1139517|Set flow boards readonly on fiwikimedia and gomwiki (T380909)]] (duration: 17m 39s)

Here are some test events that have been created in a few of the wikis, if anyone would like to join the events before I close the events and compile their test data early next week.

All functionality is working correctly except for what is noted in T393810. Sending to product sign off 🎉