I noticed that some instances put a registration wall behind their communities. If you are registered in instance A, you can search for a specific community in instance B but cannot see the full list of communities there. Is there a workaround (besides asking someone from B to give a list of the instance)?
You can use https://browse.feddit.de/ and instead of searching for a community, enter the instance (enter “lemmy.ml” for example) and then it should give you a list of all communities in that instance
Oh, they use the same instance A, instance B analogy I tried to cook up here. Glad it is already an ongoing issue!