Update changelog.mdx

Author: mintlify[bot]

changelog.mdx

@@ -76,20 +76,14 @@ noindex: true
 
 <Update label="September 19" tags={["Improvements"]} rss={{ title: "Weekly Updates", description: "Web editor and authentication improvements, and bug fixes" }}>
 
-## Web editor and dashboard login improvements
+## Login improvements
 
-- Continued app router migration for the web editor, removing blockers and improving performance
 - Enhanced login error handling with explicit email validation messages
 - Fixed whitespace handling in email address validation
 
-## Authentication improvements
-
-- Added support for validated redirect parameters in login callback to reduce login friction
-- Improved login flow for SSO with better redirect handling
-
 ## Bug fixes and reliability
+
 - Fixed GitLab integration issues with larger repositories
-- Improved dashboard loading performance with optimized deployment queries
 - Fixed SVG path rendering issues in documentation
 - Fixed keyboard navigation in search and chat functionality