Update ChangeLog

ChangeLog

@@ -28,6 +28,33 @@ history is also available from Git.
 
 LibreSSL Portable Release Notes:
 
+3.1.1 - Stable release
+
+	* Improved SSL_CTX_set_cipher_list(3) and SSL_set_cipher_list(3) to
+	  include TLSv1.3 cipher suites even if cipher string does not
+	  indicate it.
+
+	* Improved to handle TLSv1.3 HelloRetryRequest.
+
+	* Provided TLSv1.3 cipher suite aliases to match the names used
+	  in RFC 8446.
+
+	* Improved to allow using any of the groups in our NID list to
+	  generate a client key share.
+
+	* Fixed printing the serialNumber with X509_print_ex() fall back to
+	  the colon separated hex bytes in case greater than int value.
+
+	* Fixed to disallow setting the AES-GCM IV length to zero.
+
+	* Added -groups option to openssl(1) s_server subcommand.
+
+	* Fixed to show TLSv1.3 extension type with openssl(1) -tlsextdebug.
+
+	* Improved portable builds to support for use of static MSVC runtimes.
+
+	* Fixed portable builds to avoid exporting a sleep() symbol.
+
 3.1.0 - Development release
 
 	* Completed initial TLS 1.3 implementation with a completely new state