Merge remote-tracking branch 'public/pr/1973' into mbedtls-2.1
diff --git a/ChangeLog b/ChangeLog
index 1a1845e..64dce14 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,11 @@
 Bugfix
     * Fix failure in hmac_drbg in the benchmark sample application, when
       MBEDTLS_THREADING_C is defined. Found by TrinityTonic, #1095
+    * Fix a bug in the update function for SSL ticket keys which previously
+      invalidated keys of a lifetime of less than a 1s. Fixes #1968.
+
+Changes
+   * Add tests for session resumption in DTLS.
 
 = mbed TLS 2.1.15 branch released 2018-08-31