News and Updates

A second release candidate for the SQLAlchemy 2.1 series is now available.

Version 2.1.0rc2 is a small release that addresses issues reported against 2.1.0rc1, most notably a series of memory growth fixes. The final 2.1.0 release is anticipated next, barring any new surprises.

This release includes fixes and improvements to SQLite table reflection, an ORM related change which re-targets the __declare_first__() and __declare_last__() hooks to make use of the new RegistryEvents feature, and also adds new visiblity into the Session.binds and AsyncSession.binds collections.

Applications that have not yet tested within the 2.1 series should make sure their requirements are pinned within the 2.0 series, as pip install will begin fetching 2.1 by default once the final release occurs. Upgrades from 2.0.x to 2.1.x should always be tested.

Be sure to check out the What's New in SQLAlchemy 2.1? migration guide, as well as the detailed changelog at Changelog.

SQLAlchemy 2.1.0rc2 by naming convention is a prerelease, so only installs with pip if the --pre flag is included. Links to pypi for SQLAlchemy 2.1.0rc2 are available on the Download Page.