rails--rails/activemodel/CHANGELOG.md

• Cache and re-use generated attribute methods.

  Generated methods with identical implementations will now share their instruction sequences leading to reduced memory retention, and slightly faster load time.

  Jean Boussier

• Add in: range parameter to numericality validator.

  Michal Papis

• Add locale argument to ActiveModel::Name#initialize to be used to generate the singular, plural, route_key and singular_route_key values.

  Lukas Pokorny

Please check 6-1-stable for previous changes.