diff --git a/NEWS b/NEWS
index 30ecd5246..5bdcbb205 100644
--- a/NEWS
+++ b/NEWS
@@ -26,6 +26,16 @@ Removed features in 2.4.1
 
 Known Issues
 
+  - If you upgraded from Taskwarrior 2.3.0, you will need one of the following
+    settings to allow continued syncing to a Taskserver:
+
+      $ task config taskd.trust strict
+      $ task config taskd.trust 'ignore hostname'
+      $ task config taskd.trust 'allow all'
+
+    These are presented in order of preference from most to least secure, and
+    depend on how your certs were generated.
+
   - https://bug.tasktools.org/
 
 Taskwarrior has been built and tested on the following configurations: