Release: 2.0.42 | Release Date: July 29, 2025

# SQLAlchemy 2.0 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.