Main new features:
- Load user password hash from postgres database.
- Pooling mode can be configured both per-database and per-user.
- Per-database and per-user connection limits:
max_db_connectionsandmax_user_connections. - Add DISABLE/ENABLE commands to prevent new connections.
- New preferred DNS backend: c-ares.
- Config files have
%include FILENAMEdirective to allow configuration to be split into several files.