Release: 2.1.0b1 | Release Date: January 21, 2026

# SQLAlchemy 2.1 Documentation

# Configuring Relationships

This section is covered by Defining Mapped Properties with Declarative.

## Evaluation of relationship arguments

This section is moved to Late-Evaluation of Relationship Arguments.

## Configuring Many-to-Many Relationships

This section is moved to Using a late-evaluated form for the “secondary” argument of many-to-many.