The new Realtime Preview feature is now active (as a Beta Feature) on all #Wikimedia wikis. Turn it on at e.g. https://commons.wikimedia.org/wiki/Special:Preferences#mw-prefsection-betafeatures
This is a Mastodon instance primarily for Australasian Galleries, Libraries, Archives, Museums and Records people, and anyone else who wants to hang out with them. We use the Hometown fork which enables local-only posts.