News and Updates

SQLAlchemy 1.4.37 is now available.

Release 1.4.37 is a bug fix release, covering a variety of use-case specific issues.

The complete changelog for 1.4.37 is at Changelog.

SQLAlchemy 1.4.37 is available on the Download Page.

SQLAlchemy 1.4.36 is now available.

Release 1.4.36 includes a variety of bugfixes, including one recent ORM related regression, as well as a memory leak issue in the now-deprecated C extensions that had gone unnoticed for many years, triggered by interpreting a Row object as a NumPy array among other cases involving fetching of non-present attributes.

The complete changelog for 1.4.36 is at Changelog.

SQLAlchemy 1.4.36 is available on the Download Page.

SQLAlchemy 1.4.35 is now available.

Release 1.4.35 repairs a critical regression in the now-yanked 1.4.34 release which could cause incorrect bound parameter values to be rendered due to a caching issue caused by the memory performance improvement first released in version 1.4.35. 1.4.35 is recommended for all users currently running 1.4.33 or 1.4.34.

The complete changelog for 1.4.35 is at Changelog.

SQLAlchemy 1.4.35 is available on the Download Page.

SQLAlchemy 1.4.33 is now available. (update: this release was yanked due to a regression involving ORM-enabled INSERT statements. 1.4.34 is released to repair this.)

Release 1.4.33 contains a wide variety of fixes and improvements, including a significant reduction in memory use by ORM mappings, as well as an improvement to the Engine.dispose() feature which allows for better integration in multiprocessing environments.

The complete changelog for 1.4.33 is at Changelog.

SQLAlchemy 1.4.33 is available on the Download Page.

SQLAlchemy 1.4.34 is now available.

Release 1.4.34 repairs a regression in the now-yanked 1.4.33 release where running an insert() construct via the Session.execute() method would fail if the statement contained ORM entities. An additional adjustment to improve psycopg2 "executemany mode" is also present.

The complete changelog for 1.4.34 is at Changelog.

SQLAlchemy 1.4.34 is available on the Download Page.