Is there a scifi universe where all of society is functionally immortal?

If ASI happens in the next few decades I think the scientific possibility of this increases dramatically. Regardless of the economic likelihoods I’m interested to read about a fully developed universe where people deal with unbounded lifespans. Maybe instead of Star Trek and Star Wars where humans encounter other humanoid aliens, humans would speciate rapidly using genomic engineering. I don’t know much about scifi so figured I’d ask y’all. Thanks!