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+---
+features:
+ - |
+ oslo.db now supports SQLAlchemy 2.0.
+ - |
+ A new ``oslo_db.compat`` module has been added. This provides a number of
+ shims for handling differences between SQLAlchemy 1.x and 2.x.
+upgrade:
+ - |
+ The ability to create engine facades that used autocommit, first deprecated
+ in 12.1.0, has now been removed. This is not supported in SQLAlchemy 2.x.