Drop "Known Issues" entry for #4006 as it is fixed

diff --git a/doc/notes/notes-known-issues.rst b/doc/notes/notes-known-issues.rst
index d71ff3341c78fcfa88113096a0396aaea8981219..e6622d56bed424d3d4e36e9c95a2e9ac66a76828 100644 (file)
--- a/doc/notes/notes-known-issues.rst
+++ b/doc/notes/notes-known-issues.rst
@@ -38,9 +38,3 @@ Known Issues
   have ``subjectAltName`` set. In such cases, the ``Subject`` field is
   ignored. Only old platforms are affected by this, e.g. those supplied
   with OpenSSL versions older than 1.1.1. :gl:`#3163`
-
-- Loading a large number of zones is significantly slower in BIND
-  9.19.12 than in the previous development releases due to a new data
-  structure being used for storing information about the zones to serve.
-  This slowdown is considered to be a bug and will be addressed in a
-  future BIND 9.19.x development release. :gl:`#4006`