add section for docs updates

.storybook-s2/docs/Release Notes.mdx

@@ -20,6 +20,12 @@ In addition, several DialogTrigger props have moved to the above children:
 * `isDismissable` was renamed to `isDismissible` (fixed spelling), and moved to Dialog and CustomDialog
 * `hideArrow`, `offset`, `crossOffset`, `containerPadding`, `placement`, and `shouldFlip` moved to Popover
 
+We've also continued to iterate on developer experience based on your feedback. Documentation on style macro usage with regards to
+[colors](?path=/docs/style-macro--docs#colors) and [typography](?path=/docs/style-macro--docs#typography) have been added to help clarify
+these common use cases. Style macro properties like `width` and `height` now allow for arbitrary pixel size values, please see the [docs](?path=/docs/style-macro--docs#sizing)
+for more information. Finally, documentation on [optimizing CSS bundling](?path=/docs/style-macro--docs#css-optimization) has also been
+added to help you generate a properly optimized output when using the bundler of your choice.
+
 ### New components
 
 * [ActionButtonGroup](?path=/docs/actionbuttongroup--docs)