News and Updates

SQLAlchemy 1.4.19 is now available.

Release 1.4.19 includes a variety of bug fixes in areas such as asyncio support, ORM use, the Mypy plugin, and some dialect-level fixes. In asyncio in particular, an issue was fixed that prevented the asyncio.CancelledError from being intercepted correctly within engine-level error handling, leading to stability issues for applications and web containers that make use of this condition to halt tasks.

Thanks to our users and developers for their continued support and efforts on the project.

The complete changelog for 1.4.19 is at Changelog.

SQLAlchemy 1.4.19 is available on the Download Page.

SQLAlchemy 1.4.18 is now available.

Release 1.4.18 includes some ORM regressions typically involving very complex mapping/query combinations, as well as makes an improvement that is hoped to support Flask-SQLAlchemy integration as well as similar integrations. Some new asyncio features are included as well as varied other dialect-level fixes for PostgreSQL and SQLite (specifically pysqlcipher).

Thanks to our users and developers for their continued support and efforts on the project.

The complete changelog for 1.4.18 is at Changelog.

SQLAlchemy 1.4.18 is available on the Download Page.

SQLAlchemy 1.4.17 is now available.

Release 1.4.17 fixes one mistake just released in version 1.4.16 regarding a performance enhancement involving expressions such as select().join(), which could fail in certain uncommon calling circumstances brought to our attention.

Thanks to our users and developers for their continued support and efforts on the project.

The complete changelog for 1.4.17 is at Changelog.

SQLAlchemy 1.4.17 is available on the Download Page.

SQLAlchemy 1.4.16 is now available.

With the pace of regressions having slowed, it is hoped that the 1.4 series continues to achieve wide adoption, which will further establish the stability of the new architectures and features. Release 1.4.16 includes a variety of fixes in including some minor regressions in the ORM.

Thanks to our users and developers for their continued support and efforts on the project.

The complete changelog for 1.4.16 is at Changelog.

SQLAlchemy 1.4.16 is available on the Download Page.

SQLAlchemy 1.4.15 is now available.

Release 1.4.15 fixes a fairly serious issue with the subqueryload() loader strategy that was causing it to not correctly use SQL caching, which would degrade the usefulness of the caching feature overall. A small number of other fixes and enhancements are also included.

Thanks to our users and developers for their continued support and efforts on the project.

The complete changelog for 1.4.15 is at Changelog.

SQLAlchemy 1.4.15 is available on the Download Page.