Update 2.14.11 release notes

Change-Id: I0bfe6b5ea8251e496c1ae520f679be69e387e5b2
diff --git a/releases/2.14.md b/releases/2.14.md
index 1c5bb6c..c6d4764 100644
--- a/releases/2.14.md
+++ b/releases/2.14.md
@@ -359,6 +359,10 @@
 
 * Fix display of "Delete Changes" permission in access screen on GWT UI.
 
+* Upgrade guice to 4.2.0.
+
+  Guice [version 4.2.0](https://github.com/google/guice/wiki/Guice42)
+  includes performance improvements.
 
 ### 2.14.10 {#2.14.10}