About six years ago, we deployed the Newsletter extension[1] to mediawiki.org. Since then, we've seen some active newsletters, with the most popular one boasting over 300 subscribers. Although there were many discussions about bringing this extension to the meta cluster, not much progress has been made. Recently, a few of us revisited these past discussions and began addressing the issue of "interwiki support" for the extension. Currently, the extension uses a local table and notifies locally on the wiki, and our goal is to make it global.

Thanks to some discussions with Addshore and others in 2018, we came up with a plan to make the extension truly inter-wiki. Since I have been inactive for some time, I want some help to see if the plan still works, or if there is a better way to achieve this. The plan, in short was: