Ask Fern now supports 15+ languages; API Explorer 40% faster

New features

Multi-language support in Ask Fern

Ask Fern now supports multiple languages for both the chat interface and document indexing. You can configure the default language and allow users to switch between supported languages directly in the chat widget.

Key updates:

• Support for 15+ languages including Spanish, French, German, Japanese, and Mandarin
• Automatic language detection based on user locale
• Per-language model optimization for better accuracy

Improved API Explorer performance

The API Explorer now loads 40% faster with optimized payload handling and better caching strategies. Complex API schemas with hundreds of endpoints now render instantly.

Enhanced webhook documentation

Webhook reference pages now support request/response examples, improved schema visualization, and better error code documentation. You can also add custom webhook event types.

Improvements

• Fixed issue where search results weren't highlighting correctly in dark mode
• Improved accessibility for keyboard navigation in code blocks
• Enhanced mobile responsiveness for large tables in API references
• Better error messages when API definitions fail to parse
• Optimized image loading for faster page renders

Bug fixes

• Fixed CSS selector reference not updating when theme changes
• Resolved issue where custom React components weren't re-rendering on prop changes
• Fixed broken links in changelog navigation on mobile devices
• Corrected alignment of badges in markdown content
• Fixed issue where version switcher wasn't persisting user selection