Sep. 27 - Oct. 3 changelog (#1450)

* oct 3 changelog

* twoslash/Shiki

Author: ethanpalm

changelog.mdx

@@ -5,6 +5,49 @@ rss: true
 noindex: true
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+<Update label="September 27 - October 3" tags={["New releases", "Improvements"]} rss={{ title: "Weekly Updates", description: "Products navigation, accessibility CLI, API playground enhancements, and extensive accessibility improvements" }}>
+
+## New features
+
+- **Products navigation**: Organize documentation for multiple products with the product switcher navigation
+- **Accessibility CLI command**: Run `mint a11y` to test your docs for accessibility issues
+- **Video responses in API playground**: API playground now supports displaying video response types
+- **API playground prefill**: New option to prefill API playground examples for faster testing
+- **Unauthenticated feedback**: For sites using partial authentication, users can now submit feedback without being authenticated
+- **Shiki theme support**: Shiki themes are now supported for code block styling
+- **Twoslash for code blocks**: TypeScript and JavaScript code blocks now support Twoslash for inline type information
+
+## Accessibility improvements
+
+- Added comprehensive ARIA attributes across components for better screen reader support
+- New "skip to main content" button for keyboard navigation
+- Arrow key navigation support in tab components
+- Enhanced tooltips, nested lists, and code group accessibility
+- Improved focus states and keyboard interaction patterns throughout the UI
+
+## Assistant and analytics enhancements
+
+- Added bar chart visualization for assistant query analytics
+- Unified date range picker in assistant analytics page
+- Zoom controls for assistant analytics charts
+- Better assistant history management with hotkeys and chat sheet improvements
+
+## Bug fixes and reliability
+
+- Fixed z-index issues with side panel overlays
+- Fixed light mode color fallbacks and theme-related styling bugs
+- Fixed API playground expandables not working with anchor links
+- Fixed `.md` link accessibility for ChatGPT and other LLM agents
+- Fixed image dimension handling for percentage-based widths and heights
+- Fixed code block rendering issues with language tags and custom themes
+- Fixed accordion link formatting and styling
+- Fixed footer spacing when assistant configuration is empty
+- Fixed card icon rendering for local repository images
+- Fixed audio file handling in API playground (prevented UTF-8 decoding)
+- Improved PR publish state management in web editor
+
+</Update>
+
 <Update label="September 20 - September 26" tags={["Improvements"]} rss={{ title: "Weekly Updates", description: "Language support expansion, UI improvements, and infrastructure enhancements" }}>
 
 ## Language support expansion