release note update

RELEASES.txt

@@ -187,12 +187,17 @@ Released
   repo; simplify Makefiles etc accordingly (this change is not visible in
   the source distributable)
 
+Planned
+=======
+
 0.10.0 (2014-03-XX)
 -------------------
 
 * Add a message argument to fatal handler function callback, simplify
   internal fatal error and panic handling
 
+* Compact function templates and instances to reduce memory footprint
+
 * C typing wrapped throughout to allow porting to more exotic platforms,
   e.g. platforms where "int" is a 16-bit type
 
@@ -202,9 +207,6 @@ Released
 
 * Portability and compiler warnings fixes for a few exotic compilers
 
-Planned
-=======
-
 0.11.0 (2014-XX-XX)
 -------------------
 
@@ -218,3 +220,9 @@ Planned
 
 * Debugger
 
+2.0.0 (XXXX-XX-XX)
+------------------
+
+* Ecmascript 6 features will be implemented in v2.x.x at the earliest
+  (some individual features may be cherry picked into v1.x.x)
+