Bug Fixes:
- Fixed an issue where warnings were being emitted in place of lower priority log messages during backup from standby initialization. (Reported by Uspen.)
- Fixed an issue where some db-* options (e.g. db-port) were not being passed to remotes. (Reported by Uspen.)
Features:
- Exclude contents of pg_snapshots, pg_serial, pg_notify, and pg_dynshmem from backup since they are rebuilt on startup.
- Exclude pg_internal.init files from backup since they are rebuilt on startup.