News
====
-.. _release3.15:
+.. _release4.0:
-3.15
-----
-* DEFAULT-encoded value is checked also for Set-s, not for Sequences only
+4.0
+---
+* Default value is checked also for Sets, not for Sequences only
+* **Incompatible** change: defaulted values in Sequence/Set are always
+ strictly checked, unless ``allow_default_values`` context option is
+ set. ``strict_default_existence`` option disappeared
.. _release3.14: