diff --git a/Release_Notes_3.0.10.md b/Release_Notes_3.0.10.md
index 40af5a6..19592e9 100644
--- a/Release_Notes_3.0.10.md
+++ b/Release_Notes_3.0.10.md
@@ -35,6 +35,9 @@ There are two ways to obtain this release either through gitlab or a tarball in
 
 These release notes cover all changes between 3.0.9 (af9d04d2) and 3.0.10 (c2d64e90) on [apparmor-3.0 branch](https://gitlab.com/apparmor/apparmor/tree/apparmor-3.0).
 
+## Library
+- Ignore 'x' in mixed file mode log events ([MR:1001](https://gitlab.com/apparmor/apparmor/-/merge_requests/1001), [AABUG:303](https://gitlab.com/apparmor/apparmor/-/issues/303))
+
 ## Policy Compiler (a.k.a apparmor_parser)
 - added missing kernel mount options ([MR:1005](https://gitlab.com/apparmor/apparmor/-/merge_requests/1005), [MR:1028](https://gitlab.com/apparmor/apparmor/-/merge_requests/1028))
 - Fix mount rules encoding ([MR:333](https://gitlab.com/apparmor/apparmor/-/merge_requests/333))