v25.3.0

Author: Tinche

HISTORY.md

@@ -11,7 +11,7 @@ The third number is for emergencies when we need to start branches for older rel
 
 Our backwards-compatibility policy can be found [here](https://github.com/python-attrs/cattrs/blob/main/.github/SECURITY.md).
 
-## NEXT (UNRELEASED)
+## 25.3.0 (2025-10-07)
 
 - **Potentially breaking**: [Abstract sets](https://docs.python.org/3/library/collections.abc.html#collections.abc.Set) are now structured into frozensets.
   This allows hashability, better immutability and is more consistent with the [`collections.abc.Set`](https://docs.python.org/3/library/collections.abc.html#collections.abc.Set) type.

docs/defaulthooks.md

@@ -322,7 +322,7 @@ A bare type, for example `MutableSet` instead of `MutableSet[int]`, is equivalen
 
 Sets and frozensets are unstructured into the matching class.
 
-```{versionchanged} NEXT
+```{versionchanged} 25.3.0
 Abstract sets are now structured into frozensets instead of sets.
 ```