+.. _release6.0:
+
+6.0
+---
+* ``.copy()`` method removed: ``copy.copy()`` is preferred way to copy
+ objects now
+* Copies made previously with ``.copy()`` lacked ``.defined`` field,
+ now they are not
+* All objects are friendly to ``pickle`` libraries
+* ``PrintableString`` has ``allow_asterisk`` and ``allow_ampersand``
+ property
+* ``.hexencode()``, ``.hexdecode()`` and ``.hexdecod()`` methods
+ appeared, working with hexadecimal encoded data
+