NEWS: Add news for 5.9.8

Also fixed the RFC number for EST.

NEWS

@@ -2,16 +2,29 @@ strongswan-5.9.8
 ----------------
 
 - The pki --scep|--scepca commands support the HTTP-based "Simple Certificate
-  Enrollment Protocol" (RFC 8894 SCEP) replacing the obsoleted scepclient that
-  has been removed.
+  Enrollment Protocol" (RFC 8894 SCEP) replacing the old and long deprecated
+  scepclient that has been removed.
 
 - The pki --est|estca commands support the HTTPS-based "Enrollment over Secure
-  Transport" (RFC 7070 EST) protocol.
+  Transport" (RFC 7030 EST) protocol.
 
 - The pki --req command can create a certificate request based on an existing
   PKCS#10 template by replacing the public key and re-generating the signature
   with the new private key.
 
+- For IKEv2, the ike_updown() "up" event and the state change to IKE_ESTABLISHED
+  are now triggered after all IKE-related tasks are done.
+
+- The ike_cfg_t object is now always replaced together with the peer_cfg_t
+  object that's set on an IKE_SA during authentication.
+
+- The gcm plugin has been enabled by default, so that the TLS 1.3 unit tests
+  can be completed successfully with just the default plugins.
+
+- The socket plugins don't set the SO_REUSEADDR option anymore on the IKE UDP
+  sockets, so an error is triggered if e.g. two daemons (e.g. charon and
+  charon-systemd) are running concurrently using the same ports.
+
 - The charon.rsa_pss_trailerfield setting generates an algorithmIdentifier with
   explicit trailerField.