diff --git a/release-notes.txt b/release-notes.txt
index 74233134..66d7682c 100644
--- a/release-notes.txt
+++ b/release-notes.txt
@@ -1,3 +1,9 @@
+2018-09-18
+- drawing algorith improved: no more flickering when zooming in
+
+2018-09-17
+- improvement on mobile device: pinch zoom works, panning works better
+
 2018-08-30
 - URL generated for a VizieR cone search now take into account the option 'limit', as to limit the size of the retrieved VOTable