list major changes in preparation for release

WHATSNEW

@@ -38,3 +38,26 @@ internal compiler error) in some versions of gcc.
 
 fixed a major bug in the printf %n specifier that prevented it from
 working and caused memory corruption.
+
+UPCOMING RELEASE - major posix conformance improvements
+
+implemented posix shared memory and semaphore interfaces.
+
+implemented all remaining required pthread and clock interfaces.
+
+major fixes to signal semantics.
+
+greatly improved temporary file name generation for safety against
+denial of service due to intentional name collisions.
+
+added syscall wrappers for the linux inotify interface.
+
+malloc(0) now returns a non-null pointer
+
+fixed printf %n specifier (again).
+
+added ucontext/sigcontext support in headers to facilitate building
+libgcc with dwarf2 unwind support, and possibly other low-level tools.
+
+implemented many small missing functions here and there, minor header
+fixes, etc.