Yes, caching. When you ask for a remote community it doesn’t go fetch it right then. In fact, it doesn’t fetch at all. The remote community pushes when there is new data.
this post was submitted on 03 Jul 2023
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Oh interesting I wasn't aware of the push behavior. That's cool, but perhaps over-eager at times?
Caching is definitely part of the answer. Another answer I saw recently is that the Admins of an instance called Programming.dev are pretty likely to know what they are doing lol