Add upgrade guide note

Signed-off-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

diff --git a/pdns/recursordist/docs/upgrade.rst b/pdns/recursordist/docs/upgrade.rst
index 5ad43f9c7cbe40fe374c2c6d5322e236f495901d..c7ed4a6060bbb05941cfb4be4fbf1d1f9b43d1b3 100644 (file)
--- a/pdns/recursordist/docs/upgrade.rst
+++ b/pdns/recursordist/docs/upgrade.rst
@@ -14,6 +14,13 @@ New Settings
 - The :ref:`setting-yaml-outgoing.cookies_unsupported` setting has been introduced to permanently mark authoritative servers as not supporting cookies.
 - The :ref:`setting-yaml-outgoing.tls_configurations` setting has been introduced to be able to force certificate validation and other properties of outgoing DoT connections.
 
+Changed Settings
+^^^^^^^^^^^^^^^^
+
+- It is no longer needed to set :ref:`setting-yaml-webservice.api_key` to enable the web service.
+  When no API key is set usage is limited to (potentially password based) access of the frontpage and related statistics calls.
+  If you have a configuration where the webservice is enabled but no api key is set, the webservice will now become available while it was not before.
+
 :program:`rec_control`
 ^^^^^^^^^^^^^^^^^^^^^^