diff --git a/changelog.mdx b/changelog.mdx
index d6484ff67..3980efbf8 100644
--- a/changelog.mdx
+++ b/changelog.mdx
@@ -5,6 +5,148 @@ rss: true
 noindex: true
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+<Update label="November 21" tags={["New releases", "Improvements"]} rss={{ title: "Weekly Updates", description: "Standard Markdown support, custom syntax highlighting, API playground enhancements, and web editor improvements" }}>
+  ## New features
+
+  - **Standard Markdown file support**: You can now use standard `.md` files in addition to `.mdx` files in your documentation, making it easier to migrate existing Markdown content without conversion
+  - **Custom syntax highlighting**: Add support for custom programming languages in code blocks through the `styling.codeblocks.customLanguages` field in `docs.json`, enabling syntax highlighting for domain-specific languages with custom Shiki grammars
+  - **PowerShell and Swift code examples**: API playground now generates code examples in PowerShell and Swift, expanding language support for API testing and integration
+  - **View component**: New `<View>` component for conditional rendering based on screen size or other display properties
+
+  ## API playground improvements
+
+  - Fixed issue where switching between response examples with different indices would fail to render the response section
+  - Resolved double Authorization header bug that was causing authentication issues in API requests
+  - Fixed oneOf schema rendering issues that were causing incorrect field displays in complex API schemas
+  - Improved response example generation to properly merge and display all required properties
+  - Fixed missing path parameters on certain API documentation pages
+  - Fixed extra separator appearing in array item schemas with no contents
+  - Fixed missing prefill examples in object arrays
+  - Improved handling of primitive parameters to ensure they're properly displayed
+  - Fixed description padding and layout issues in API playground modals
+  - Enhanced request body type and response body type synchronization with code examples
+  - Fixed missing query parameter descriptions in API documentation
+  - Improved performance of API playground inputs to reduce lag during typing
+  - Object fields now properly respect the `expanded` setting from `docs.json` configuration
+  - Fixed prefilling from `schema.example` to properly populate example values
+  - Fixed request example generation for top-level oneOf types
+  - Fixed type labels to display more accurate information about field types
+  - Fixed Coinbase playground issues for specific endpoints
+  - Improved handling of circular schema references to properly render descriptions
+  - Fixed various API page rendering issues including missing fields and incorrect layouts
+
+  ## Web editor enhancements
+
+  - Branch switching is now fully integrated into the editor UI with improved navigation and state management
+  - Fixed race condition when committing changes that could cause branch SHA mismatches
+  - Removed implicit folder directory logic for cleaner file organization
+  - Fixed file creation and renaming to properly match original file locations in MDX frontmatter
+  - Improved folder state persistence across editor sessions
+  - Fixed branch navigation where changing URL to specific branch would redirect incorrectly
+  - Added merge conflict resolution tracking and improved conflict dialog functionality
+  - Fixed file state updates after committing changes
+  - Spaces in file rename inputs are now automatically replaced with dashes for consistency
+  - Added video support in the editor for embedding video content
+  - Fixed handling of moving files to previously deleted paths
+
+  ## Component and styling enhancements
+
+  - **Badge component**: New `<Badge>` component for displaying status indicators, labels, and tags with customizable colors
+  - Images can now be zoomed with improved overlay styling for both light and dark modes
+  - Fixed image icon backgrounds for dark mode to prevent display issues
+  - Fixed CardGroup prose styles to ensure proper text formatting within cards
+  - Fixed italic font rendering issues across the documentation
+  - Updated gray colors to new design system values for better consistency
+  - Fixed callouts nested items colors for improved readability
+  - Fixed font rendering for single code items to use proper monospace fonts
+  - Improved inline code selection to select only code content on triple-click
+
+  ## Navigation and UI improvements
+
+  - Tab hover indicators now have improved styling with consistent tab titles
+  - Fixed top-level tabs rendering and navigation
+  - Fixed page top padding for better visual consistency
+  - Long words now wrap properly with `overflow-wrap` to prevent horizontal scrolling
+  - Step component now handles cases where no step title is provided
+  - Fixed heading IDs to properly handle question marks and special characters for anchor links
+  - Icon component now accepts `className` prop for custom styling
+  - Fixed theme toggle colors for better visibility in both light and dark modes
+  - External links now properly open in new tabs
+  - Fixed badge position inside navigation group dropdowns
+  - Improved alignment for table headers and cells with tabular numbers
+  - Fixed scroll behavior for tables inside tabs and steps inside tabs
+
+  ## Performance and infrastructure
+
+  - Shiki themes are now lazy loaded for improved initial page load performance
+  - Reduced navigation lag by optimizing prefetching behavior
+  - KaTeX CSS is now conditionally loaded only when needed, reducing unnecessary asset loading
+  - Added YAML support to Shiki language constants for better syntax highlighting coverage
+  - Improved custom font loading user experience with better error handling
+
+  ## Bug fixes and reliability
+
+  - Fixed 500 errors in dashboard caused by Shiki syntax highlighting issues
+  - Fixed empty expandable objects in API documentation
+  - Removed example data for additional properties to prevent confusion
+  - Fixed propagation of required fields in oneOf schemas
+  - Fixed duplicated descriptions in API documentation
+  - Fixed missing parent names with dots in schema paths
+  - Fixed description rendering above tabs for objects with oneOf description combinations
+  - Improved handling of allOf schemas to properly concatenate descriptions
+  - Fixed missing defaults with allOf schemas
+  - Fixed unique key assignment to properly account for array indices in API fields
+  - Improved error messages for invalid URLs in API configurations
+  - Fixed playground error display to prevent height shrinking
+  - Fixed redirect behavior for OAuth to properly include base paths
+  - Removed dual base path issues in authentication login links
+  - Fixed sidebar display on non-API pages
+  - Fixed OG image generation with better truncation logic and Google Fonts support
+  - Fixed table of contents rendering issues
+  - Fixed favicon isolation to prevent conflicts between different documentation sites
+  - Fixed keyboard shortcut styles inside callouts for dark mode
+  - Fixed Palm theme sidebar styling issues
+  - Fixed zoomed image overlay background color for light theme
+  - Fixed scroll height capping for very long API responses
+  - Fixed button variants for consistent styling across the dashboard
+
+  ## CLI improvements
+
+  - Added error logging for lower Node.js versions to help users identify compatibility issues
+  - Fixed max file size validation in CLI (increased from 5MB to 20MB)
+  - Custom syntax highlighting now works properly in CLI local development
+  - Added early failure if Node 25 is being used with `mint dev` command
+  - Fixed CLI bugs on Windows and added tests to prevent regressions
+
+  ## Security enhancements
+
+  - Improved redirect validation to prevent XSS and open redirect vulnerabilities
+  - Enhanced path traversal defense mechanisms
+  - Disallowed direct access to internal markdown, RSS, and MCP routes via `_mintlify` path
+  - Improved authentication security with better validation and error handling
+  - Added validation for organization ownership before setting GitHub sources
+
+  ## Dashboard improvements
+
+  - Fixed dashboard design inconsistencies and improved spacing throughout
+  - Improved button sizing and layout for organization invitations
+  - Fixed disabled state for editor publish button
+  - Added better handling for links in dashboard assistant chat
+  - Fixed outline issues for chat assistant in Firefox
+  - Improved deployment history with pagination support
+  - Added cursor pagination to preview deployments table
+  - Fixed preview deployments to only return preview environment deployments
+  - Improved email validation with explicit error messages
+  - Fixed whitespace handling in email address validation
+
+  ## Localization
+
+  - Added support for additional languages in authentication flows
+  - Updated translations for contextual menu and assistant features
+  - Improved language selector functionality across all themes
+
+</Update>
+
 <Update label="November 15" tags={["New releases", "Improvements"]} rss={{ title: "Weekly Updates", description: "Badge component, API playground improvements, custom language support, and performance enhancements" }}>
   ## New features