----------------
Backwards incompatible changes
++++++++++++++++++++++++++++++
- Drop support for Python 3.6.
Features
++++++++
- Officially support Python 3.12.
Fixes
+++++
- Prevent DeprecationWarnings from ``ast.Str`` and ``ast.Num`` on Python 3.12
- Forbid using some attributes providing access to restricted Python internals.
(CVE-2023-37271)
- Fix information disclosure problems through Python's "format" functionality
(``format`` and ``format_map`` methods on ``str`` and its instances,
``string.Formatter``). (CVE-2023-41039)