diff --git a/changelog.txt b/changelog.txt
index 9c784bdd..6f078465 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -5,6 +5,7 @@ OPENSEADRAGON CHANGELOG
 * BREAKING CHANGE: the tile does not hold a reference to its image anymore. Only the tile cache keep a reference to images.
 * DEPRECATION: let ImageRecord.getRenderedContext create the rendered context instead of using ImageRecord.setRenderedContext.
 * Added "tile-loaded" event on the viewer allowing to modify a tile before it is marked ready to be drawn. (#659)
+* Added "tile-unloaded" event on the viewer allowing to free up memory one has allocated on a tile. (#659)
 * Fix flickering tiles with useCanvas=false when no cache is used. (#661)
 
 2.0.0: