Postgres 15 has a release note page full of items, and this commit is one of the fun parts from the point of view of a hacker: commit: 5c279a6d350205cc98f91fb8e1d3e4442a6b25d1 author: Jeff Davis <jdavis@postgresql.org> date: Wed, 6 Apr 2022 22:26:43 -0700 Custom WAL Resource Managers. Allow extensions to specify a new custom resource manager (rmgr), which allows specialized WAL. This is meant to be used by a Table Access Method or Index Access Method. Prior to this commit, only Generic WAL wa...
