[#1837] add ChangeLog entry

ChangeLog

@@ -3,6 +3,15 @@
 	version.
 	(Gitlab #1882)
 
+1903.	[func]		andrei
+	Kea now recognizes requests sent from vendors that include their
+	information in DHCPv6 Vendor Class option (code 16) for the
+	purpose of offering custom options in the response. Previously,
+	only the Vendor-specific Information option (code 17) was
+	searched for a vendor ID. For the purpose of classification, both
+	options are looked into, now, just as before.
+	(Gitlab #1837)
+
 1902.	[func]		andrei, fdupont
 	All logs that expose configuration, either in full or in snippets
 	now have the values of "password" and "secret" entries replaced
@@ -47,6 +56,7 @@
 	option's buffer, the value is considered to be the rest of the
 	buffer. This also applies to custom options defined with the
 	tuple type for both DHCPv4 and DHCPv6.
+	(Gitlab #1860)
 
 1896.	[func]		wlodek
 	Perfdhcp extended to send v6 traffic from multiple networks.