1.18.2

Released: January 28, 2026

usecase

• [usecase] [operations] The primary_key parameter on Column is now honored when
  Operations.add_column() is used, and will emit the "PRIMARY KEY"
  keyword inline within the ADD COLUMN directive. This is strictly a syntax
  enhancement; no attempt is made to reconcile the column's primary key
  status with any existing primary key constraint or particular backend
  limitations on adding columns to the primary key.

  References: #1232

• [usecase] [operations] Added inline_references parameter to Operations.add_column()
  which allows rendering of REFERENCES clauses inline within the ADD COLUMN directive rather than as a separate ADD CONSTRAINT directive.
  This syntax is supported by PostgreSQL, Oracle, MySQL 5.7+, and MariaDB
  10.5+, and can provide performance benefits on large tables by avoiding
  full table validation when adding a nullable foreign key column.

  References: #1780

bug

• [bug] [typing] Fixed typing issue where the AlterColumnOp.server_default and
  AlterColumnOp.existing_server_default parameters failed to
  accommodate common SQLAlchemy SQL constructs such as null() and
  text(). Pull request courtesy Sebastian Kreft.

  References: #1669