rails/activerecord/CHANGELOG.md

• Loading the schema for a model that has no table_name raises a TableNotSpecified error.

  Guilherme Mansur, Eugene Kenny

• PostgreSQL: Fix GROUP BY with ORDER BY virtual count attribute.

  Fixes #36022.

  Ryuta Kamizono

• Make ActiveRecord ConnectionPool.connections method thread-safe.

  Fixes #36465.

  Jeff Doering

• Add support for multiple databases to rails db:abort_if_pending_migrations.

  Mark Lee

• Fix sqlite3 collation parsing when using decimal columns.

  Martin R. Schuster

• Fix invalid schema when primary key column has a comment.

  Fixes #29966.

  Guilherme Goettems Schneider

• Fix table comment also being applied to the primary key column.

  Guilherme Goettems Schneider

• Allow generated create_table migrations to include or skip timestamps.

  Michael Duchemin

Please check 6-0-stable for previous changes.