See the `3.X <https://doc.powerdns.com/3/authoritative/upgrading/>`__
upgrade notes if your version is older than 3.4.2.
+4.2.x to 4.3.0
+--------------
+
+- Netmask class methods ``isIpv4`` and ``isIpv6`` have been deprecated in Lua, use :func:`Netmask.isIPv4` and :func:`Netmask.isIPv6` instead. In C++ API these methods have been removed.
+
4.1.X to 4.2.0
--------------
Before upgrading, it is advised to read the :doc:`changelog/index`.
When upgrading several versions, please read **all** notes applying to the upgrade.
-4.1.x to 4.2.0 or master
+4.2.x to 4.3.0 or master
------------------------
+- Netmask class methods ``isIpv4`` and ``isIpv6`` have been deprecated in Lua, use :func:`Netmask.isIPv4` and :func:`Netmask.isIPv6` instead. In C++ API these methods have been removed.
+
+4.1.x to 4.2.0
+--------------
+
Two new settings have been added:
- :ref:`setting-xpf-allow-from` can contain a list of IP addresses ranges from which `XPF (X-Proxied-For) <https://datatracker.ietf.org/doc/draft-bellis-dnsop-xpf/>`_ records will be trusted.