+6062. [func] The DSCP implementation, which has been
+ nonfunctional for some time, is now marked as
+ obsolete and the implementation has been removed.
+ Configuring DSCP values in named.conf has no
+ effect, and a warning will be logged that
+ the feature should no longer be used. [GL #3773]
+
6059. [bug] In some serve stale scenarios, like when following an
expired CNAME record, named could return SERVFAIL if the
previous request wasn't successful. Consider non-stale
Removed Features
~~~~~~~~~~~~~~~~
-- None.
+- The Differentiated Services Code Point (DSCP) feature in BIND
+ has been non-operational since the new Network Manager was introduced
+ in BIND 9.16. It is now marked as obsolete, and vestigial code
+ implementing it has been removed. Configuring DSCP values in
+ ``named.conf`` will cause a warning to be logged. :gl:`#3773`
Feature Changes
~~~~~~~~~~~~~~~