Ruby on Rails Files

Active Support

• No changes.

Active Model

• No changes.

Active Record

• Gracefully handle Timeout.timeout firing during connection configuration.

  Use of Timeout.timeout could result in improperly initialized database connection.

  This could lead to a partially configured connection being used, resulting in various exceptions, the most common being with the PostgreSQLAdapter raising undefined methodkey?' for nilorTypeError: wrong argument type nil (expected PG::TypeMap)`.

  Jean Boussier

• Fix error handling during connection configuration.

  Active Record wasn't properly handling errors during the connection configuration phase. This could lead to a partially configured connection being used, resulting in various exceptions, the most common being with the PostgreSQLAdapter raising undefined methodkey?' for nilorTypeError: wrong argument type nil (expected PG::TypeMap)`.

  Jean Boussier

• Fix prepared statements on mysql2 adapter.

  Jean Boussier

• Fix a race condition in ActiveRecord::Base#method_missing when lazily defining attributes.

  If multiple thread were concurrently triggering attribute definition on the same model, it could result in a NoMethodError being raised.

  Jean Boussier

Action View

• No changes.

Action Pack

• No changes.

Active Job

• No changes.

Action Mailer

• No changes.

Action Cable

• Fixed compatibility with redis gem 5.4.1

  Jean Boussier

Active Storage

• No changes.

Action Mailbox

• No changes.

Action Text

• No changes.

Railties

• No changes.

Guides

• No changes.