diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index ae141f470..07786f100 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -18,10 +18,24 @@ This release is not yet available.
 
 Supported platforms
 -------------------
+This release has been tested on the following platforms:
+- Ubuntu 15.04 (64 bit) with g++-4.9.2
+- Fedora Core 22 (32 bit) with g++-5.1.1
+- Fedora Core 21 (64 bit) with g++-4.9.2
+- Ubuntu 14.04 (64 bit) with g++-4.8.2
+- Ubuntu 12.04.4 (32/64 bit) with g++-4.6.3
+- CentOS/RHEL 6.7 (64-bit) with g++-4.4.7
+- OS X Yosemite 10.10.4 with Xcode 6.4 and Apple LLVM version 6.1.0
+- FreeBSD 10.1-RELEASE (64 bit) with clang-3.4.1
 
 New user-visible features
 -------------------------
+- (build system) Python 3 is now supported by waf and test runner programs
+- (wifi) 802.11ac Very High Throughput (VHT) physical layer modes are now 
+  supported.
+- (internet) permanent (static) ARP entries can be created for IPv4
 - (network) SimpleChannel allows per-NetDevice blacklists, in order to do hidden terminal testcases.
+- (documentation) TracedCallback function signatures now documented in Doxygen
 
 Bugs fixed
 ----------
@@ -51,7 +65,7 @@ Bugs fixed
 - Bug 2136 - The usage of tid in wifi and wave module shall be "if (tid > 7)" rather than "if (tid >= 7)"
 - Bug 2138 - SimpleNetDevice could send overlapped packets
 - Bug 2143 - maybe-uninitialized warning
-- Bug 2146 - The patch for WAVE channel coordination and WAVE example reported by Tiago Cerqueira
+- Bug 2146 - bug in WAVE channel coordination
 - Bug 2148 - Ipv6Interface::SetUp doesn't re-create the Link-Local addresses
 - Bug 2153 - Incorrect power limits in wifi power control algorithms
 - Bug 2154 - Incorrect power calculation in wifi power adaptation examples
@@ -60,6 +74,7 @@ Bugs fixed
 - Bug 2158 - OpenflowSwitchNetDevice flooding bug
 - Bug 2165 - server replies to SYN (with option TS) with a SYNACK (with option TS) also if the attribute Timestamp is false
 - Bug 2166 - SteadyStateRandomWaypointMobilityModel directs the node to the ground
+- Bug 2170 - AnimationInterface outputs improperly formed XML
 - Bug 2171 - power-adaptation-distance.cc:202:22: error: call to 'pow' is ambiguous
 - Bug 2173 - WifiInformationElement::DeserializeIfPresent attempts to read beyond the end of buffer
 - Bug 2174 - m_rWnd not updated when segments without ACK are received