Index: Release_notes
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--- Release_notes	(revision 8965)
+++ Release_notes	(revision 8966)
@@ -10,7 +10,8 @@
 
 2. Editable mask and paste layers, using positive/negative, auto/manual
 compositing layers. Silk layers can be composite too, with manual-negative
-layers removing auto silk generated by elements.
+layers removing auto silk generated by elements. (Not yet available with
+opengl rendering.)
 
 3. Gtk: new layer selector widget in top window and cross-section view
 upgrades to expose the new composite layer feautres of the editable layers.