diff --git a/changelog.txt b/changelog.txt
index 2e64452b..ad7ff86f 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -8,6 +8,13 @@ OPENSEADRAGON CHANGELOG
 * Exposed secondary pointer button (middle, right, etc.) events from MouseTracker and through viewer (#479)
 * MouseTracker - Improved IE 8 compatibility (#562)
 * MouseTracker - Improved IE 9+ compatibility (#564)
+* MouseTracker - Simulated touchenter/touchleave events now bubble to parent element MouseTrackers (#566)
+* MouseTracker - Improved multitouch support in enter/exit event handlers (#566)
+* MouseTracker - orphaned tracked touch pointers removed (fix for #539)
+* MouseTracker - removed touchenter/touchleave event support since the events don't exist on any known platform and have been removed from the W3C specification (#566)
+* Removed Viewer onContainerPress/onContainerRelease handlers (and the associated 'container-release' event ) that were never fired due to the canvas (child) element capturing the DOM events (#566)
+* Added 'canvas-enter', 'canvas-exit', and 'canvas-press' events to Viewer (#566)
+* ButtonGroup - removed obsolete MouseTracker event handlers (#566)
 
 1.2.0: