New system property h2.dropRestrict (default false) to change the default action for DROP TABLE and DROP VIEW.

Referential integrity: it was not allowed to delete a row with NULL in the parent table, if there was a row with NULL in the child table.

CREATE VIEW now supports the OR REPLACE clause

When creating functions within a schema, those functions could not be used in views, nested queries, and constraints.

Experimental feature to support case sensitive catalog names and database names using the DATABASE() method.