--- a/RELEASE_NOTES	Tue Jun 17 11:53:20 2008 -0700
+++ b/RELEASE_NOTES	Tue Jun 17 11:57:27 2008 -0700
@@ -3,6 +3,21 @@
 
 This file contains ns-3 release notes (most recent releases first).
 
+Release 3.1 (2008/06/30 tentatively)
+========================
+First supported ns-3 release.
+
+- TCP bugfixes and support for packet tags
+- CSMA NetDevice cleanup and documentation
+- internet-node renamed to internet-stack
+- Socket::RecvFrom added; "flags" argument added to Send calls
+- updated doxygen
+- several bugs and open issues closed out
+- revised tutorial
+
+Note:  Some API in class ns3::Ipv4 and ns3::Ipv4RoutingProtocol is 
+deprecated and may be removed and replaced in future releases.
+
 Release 3.0.13 (2008/06/02)
 ========================
 - point to point links generate ppp pcap traces

--- a/VERSION	Tue Jun 17 11:53:20 2008 -0700
+++ b/VERSION	Tue Jun 17 11:57:27 2008 -0700
@@ -1,1 +1,1 @@
-3.0.13
+3.1-RC1