• Handle nil assignment for PgHash (#665), thanks unavailabl3!

• Use classify to generate table name (#634), thanks divanburger!
• Fix select + count in ActiveRecord 8 (#659)

NOTE: Includes potentially backwards-incompatible changes for jsonb/hstore backends. See: #535

Other changes since rc3:

• Only support ActiveRecord >= 7.0
• Allow I18n.available_locales to contain Strings (#612)
• Update CI config, add support for Rails 8 (#653), thanks d-rodriguez!
• Fix broken count statements in Active Record 8.0 (#655), thanks jukra!

• Don't try to load generators if Rails is loaded but AR is not (#627), thanks flop!
• Allow compound foreign keys (#632), thanks mival!
• Fix active model *_previously_changed? and active record will_save_change_to_*? and saved_change_to_*? dirty methods to accept kwargs (#639) thanks doits!

• Pass coder as keyword argument to serialize (ActiveRecord version > 7.1) (#617)

This version includes potentially breaking changes for jsonb and hstore backends. See PRs below for details.

• Fix ActiveRecord JSONB blank values (#536)
• Support primary keys other then :id on model classes (#542)
• Clean up and refactor container backend (#543), thanks doits!
• Update fallthrough_accessor regex to allow for ISO 639-2 codes (#580) thanks phil-allcock!

• Fix missing method mobility_attribute? on Rails 7 (#582 and #584)

• Fix issues with subclassing, such as when using AR STI, fixes #566 (#568)
• Handle attribute_method_matchers rename (part of #560)

• Do not query same attribute more than once, fixes #564 (#577)

• Require mfa on rubygems (#545)