• Support for insert_or_replace (aka "upserts"), thanks to @demianmnave
• Support for enums, thanks to @hos-b
• Support for for CREATE VIEW AS (thus support for views) and CREATE TABLE AS
• Support for adding subqueries inside select_from(...)
• Better nullability rules for joins
• Support for foreign key constraints
• Support for unique columns
• Support for JSON fields
• Support for IN and NOT IN

• Added support for MySQL/MariaDB
• Moved the literals into their own namespace

Initial release