More strict parsing of unknown record format

diff --git a/pdns/recursordist/docs/upgrade.rst b/pdns/recursordist/docs/upgrade.rst
index f9a4a1b69a517f0586fd188b7645b10a9930778e..6bbd2c9eb41e0e71dcf1c924338f1f60dd67d1cf 100644 (file)
--- a/pdns/recursordist/docs/upgrade.rst
+++ b/pdns/recursordist/docs/upgrade.rst
@@ -7,6 +7,12 @@ When upgrading several versions, please read **all** notes applying to the upgra
 4.3.x to 4.4.0 or master
 ------------------------
 
+Parsing of unknown record types
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+The parsing (from zone files) of unknown records types (of the form
+``\# <length> <hex data>``) has been made more strict. Previously, invalid formatted records could produce
+inconsistent results.
+
 Deprecated and changed settings
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 - The :ref:`setting-query-local-address` setting has been modified to be able to include both IPv4 and IPv6 addresses.