Update changelog.mdx

Author: chkn

api-reference/v2/resources/changelog.mdx

@@ -3,6 +3,12 @@ title: Glide API Changelog
 sidebarTitle: Changelog
 ---
 
+### September 13, 2024
+
+- Introduced a new "Limits" document that outlines rate and operational limits for the API.
+- Updated guidelines for when to use stashing in line with the new doc.
+- Fixed the Bulk Import tutorial to use PUT instead of POST for the Stash Data endpoint.
+
 ### September 4, 2024
 
 - Removed "json" as a valid data type in column schemas for now.