Yes, the docs are here: https://supabase.com/docs/reference/self-hosting-analytics/i...

One caveat: the only backend-store supported right now BigQuery. We will be releasing support for Clickhouse and Postgres in the coming months, we just couldn't fit it into this Launch Week

Is there somewhere I can subscribe for an update on this specifically?

It's easiest to "watch releases" on either the Logflare repo[0] or the Supabase repo[1].

If you're signed up to Supabase we send 1 email per month with all of our releases.

[0] Logflare: https://github.com/Logflare/logflare

[1] Supabase: https://github.com/supabase/supabase