They used to have an old UI where I had to manually sync it to Maven Central, but can’t see that option anymore in the newer UI, so thought it was now automatically synced. I’ve seen that I can change back to the old UI and I’ve manually performed the sync of both packages, it says its synced:
Yeah, I’ve noticed when publishing our own Java packages (using an AppVeyor CI build and a SonaType account), there is still manual intervention required to get it published on Maven Central, and the new package always takes about 12 hours to show up in package search results.
I’m pretty spoiled with the simpler NuGet publishing experience and 10-minute average delay that we get for our .NET stuff.