Do you feel that maybe you are losing sight of your lemmy.nz communities in all the noise of federation?
A good little search trick is to search as shown below. This will pull in all the threads on lemmy.nz (or no.lastname.nz) if you are on a larger lemmy instance:
Yes, not overly useful if you are registered on lemm.nz, as you can use the local function. For people that are not on lemmy.nz (myself included) searching on the domain can make finding content easy