Updated changelog

Author: muratcakir

changelog.md

@@ -1,13 +1,16 @@
 # Release Notes
 
-## Smartstore 4.1.0
+## Smartstore 4.0.1
 ### New Features
 
 ### Improvements
+* Theming: minimal but effective tweaks (rounding, shadows, typo)
 * **Rule Builder**:
 	* #1969 The preview grid is now displayed in a modal dialog.
 	* #1980 Added a cart rule for total quantity of products in cart.
 * #1995 The localized ALT text of media files is now respected for all frontend images.
+* SEO: most images in frontend now carry `loading="lazy"` attribute which loads images only when they enter visible viewport
+* Media Manager: improved image lazy loading behavior
 
 ### Bugfixes
 * Order placement validation now also checks whether the selected payment method has been filtered out.