Update changelog.mdx

Author: mintlify[bot]

changelog.mdx

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+<Update label="September 15 - September 22" tags={["New releases", "Improvements"]} rss={{ title: "Weekly Updates", description: "AI assistant enhancements, performance optimizations, web editor improvements, and API playground updates" }}>
+
+## AI assistant and search improvements
+
+- Enhanced AI assistant response accuracy with improved context understanding and better source attribution
+- Optimized search indexing for faster query responses and more relevant results
+- Fixed assistant rate limiting issues that were affecting response times during peak usage
+- Improved assistant analytics tracking for better insights into user interactions
+
+## Web editor and deployment enhancements
+
+- Added support for real-time collaborative editing with conflict resolution improvements
+- Enhanced branch switching performance in the web editor for faster navigation
+- Fixed file upload functionality in the web editor for better asset management
+- Improved preview deployment reliability with enhanced error handling and status reporting
+
+## API playground and documentation features
+
+- Added support for additional HTTP methods in API playground testing
+- Enhanced OpenAPI spec parsing with better error messages and validation
+- Improved code example generation with more accurate syntax highlighting
+- Fixed API playground authentication flow for OAuth and JWT configurations
+
+## Performance and reliability improvements
+
+- Optimized page load times by reducing bundle sizes and improving caching strategies
+- Enhanced CDN performance for faster asset delivery across global regions
+- Fixed memory leaks in long-running sessions that were affecting editor performance
+- Improved error logging and monitoring for faster issue resolution
+
+## Bug fixes and quality improvements
+
+- Fixed navigation menu rendering issues on mobile devices
+- Resolved table of contents anchor link behavior in nested page structures
+- Fixed custom domain SSL certificate renewal process for improved reliability
+- Enhanced accessibility features with better keyboard navigation and screen reader support
+
+</Update>
+
 <Update label="September 14 - September 19" tags={["Improvements"]} rss={{ title: "Weekly Updates", description: "GitLab integration enhancements, app router migration progress, authentication improvements, and bug fixes" }}>
 
 ## GitLab integration enhancements