+ Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019]
+
+ o Change the info callback signals for the start and end of a post-handshake
+ message exchange in TLSv1.3.
+ o Fix a bug in DTLS over SCTP. This breaks interoperability with older versions
+ of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2.
+
+ Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018]
+
+ o Timing vulnerability in DSA signature generation (CVE-2018-0734)
+ o Timing vulnerability in ECDSA signature generation (CVE-2018-0735)
+