Yeah we are not gonna focus on SSR on that for now. Literally can get seconds of page load speed by not shipping the whole world.
Good question on Pub Sub. I think pub sub is a good pattern when it is very transparent and low cost on your DB/Server
Thats why I like the Redis push based approach to real time data. We rolled our own implementation using Apollo Server + Redis.
Tracker and I aren’t friends anymore, so no I wouldnt use it.