diff --git a/changes.txt b/changes.txt
index f42cedd..e4f00f6 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,3 +1,16 @@
+Version 0.3.1:
+	Bugfix: Fixed deadlock in DirectPlay service provider.
+	
+	Bugfix: Properly release event and lock objects when destroying a service
+	provider instance.
+	
+	Update: Open logfile with FILE_FLAG_WRITE_THROUGH instead of calling
+	FlushFileBuffers after every write for performance.
+	
+	Update: Include thread ID with every log message.
+	
+	Feature: Implemented IPX_EXTENDED_ADDRESS socket option.
+
 Version 0.3:
 	Cleanup: Moved certain library functions out of ipxwrapper.c and tidied up.
 	
diff --git a/src/winsock.c b/src/winsock.c
index 62449b3..6e56649 100644
--- a/src/winsock.c
+++ b/src/winsock.c
@@ -557,6 +557,8 @@ int WSAAPI getsockopt(SOCKET fd, int level, int optname, char FAR *optval, int F
 				RETURN(0);
 			}
 			
+			log_printf("Unknown NSPROTO_IPX socket option passed to getsockopt: %d", optname);
+			
 			RETURN_WSA(WSAENOPROTOOPT, -1);
 		}
 		
@@ -640,6 +642,8 @@ int WSAAPI setsockopt(SOCKET fd, int level, int optname, const char FAR *optval,
 				RETURN(0);
 			}
 			
+			log_printf("Unknown NSPROTO_IPX socket option passed to setsockopt: %d", optname);
+			
 			RETURN_WSA(WSAENOPROTOOPT, -1);
 		}