Diesel 2.1.0

Diesel 2.1 introduces support for generating migrations based on differences between your rust code and your database schema. Additionally it provides a #[derive(MultiConnection)] derive for a simplified usage of several different connections at once and a improved compile time error message generation.

Diesel 2.0.0

Diesel 2.0 introduces support for GROUP BY and UNION/INTERSECT queries. Additionally it features table aliases and a improved field mapping mechanism.