Available on postgres as an extension. It's a bit jank and doesn't have language integrated clauses like sql server.
Temporal Tables and their query language were formalized in ANSI SQL 2011 standard, so hopefully it is only a matter of time and resources to see it added into the postgres core directly.
alt Hacker News
Temporal Tables and their query language were formalized in ANSI SQL 2011 standard, so hopefully it is only a matter of time and resources to see it added into the postgres core directly.