Implement PMTU auto-reduction in handshake
diff --git a/ChangeLog b/ChangeLog
index 3f144a7..fc47441 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,9 @@
is controlled by the maximum fragment length as set locally or negotiated
with the peer, as well as by a new per-connection MTU option, set using
mbedtls_ssl_set_mtu().
+ * Add support for auto-adjustment of MTU to a safe value during the
+ handshake when flights do not get through (RFC 6347, section 4.1.1.1,
+ last paragraph).
Bugfix
* Fixes an issue with MBEDTLS_CHACHAPOLY_C which would not compile if