Sketch a few Clang release notes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99512 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 92bc50c..8723876 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -127,8 +127,21 @@
 <p>In the LLVM 2.7 time-frame, the Clang team has made many improvements:</p>
 
 <ul>
-<li>...</li>
-include a link to cxx_compatibility.html
+<li>FIXME: C++! Include a link to cxx_compatibility.html</li>
+
+<li>FIXME: Static Analyzer improvements?</li>
+
+<li>CIndex API and Python bindings: Clang now includes a C API as part of the
+CIndex library. Although we make make some changes to the API in the future, it
+is intended to be stable and has been designed for use by external projects. See
+the Clang
+doxygen <a href="http://clang.llvm.org/doxygen/group__CINDEX.html">CIndex</a>
+documentation for more details. The CIndex API also includings an preliminary
+set of Python bindings.</li>
+
+<li>ARM Support: Clang now has ABI support for both the Darwin and Linux ARM
+ABIs. Coupled with many improvements to the LLVM ARM backend, Clang is now
+suitable for use as a a beta quality ARM compiler.</li>
 </ul>
 </div>