Update 2.14.2 release notes

Change-Id: Ia8e2241c2669db387d9b2fb25fe2cd5023e075ae

releases/2.14.md

diff --git a/releases/2.14.md b/releases/2.14.md
index 002e0c7..9a3772f 100644
--- a/releases/2.14.md
+++ b/releases/2.14.md
@@ -378,6 +378,11 @@
 * Disallow using both `m` and `r` options together in branch and tag
 list filters.
 
+* Recognize all parts marked with `multipart/` in inbound emails.
+
+  Inbound emails would not be parsed when the message was signed and
+  therefore wrapped in a `multipart/signed` part.
+
 * Replication plugin: Fix race condition when scheduling a replication
 
 * Replication plugin: Use rescheduleDelay instead of replicationDelay when