- Deprecate with_statement_timeout
- Add statement_timeout, lock_timeout, and idle_in_transaction_session_timeout
- Fix extension_available?
- Fix bug in Ruby 2.6 calling format wrong.
- Ensure numeric is in the PG type map for Rails 6.0. So that lsn_diff will return a numeric, instead of a string.
- Add PostgreSQLAdapter#set_replica_identity
- Add methods for discovering and managing extensions
- Add method to temporarily add a schema to the search path
- Add PostgreSQLAdapter#vacuum
- Add optional module PessimisticMigrations
- Add PostgreSQLAdapter#defer_constraints
- Initial release