What's new
New guides, topics, and features - newest first.
July 2026
- New High-contrast dark theme.
- New Cheat sheets now appear in instant search and the command palette.
- New Built for AI assistants: a sitemap, structured data, and a server that tools like Claude and Cursor can read directly.
- Improved Listen (text-to-speech) and feedback now sit inside the reader instead of floating over the page.
- Improved Faster page loads on mobile.
June 2026
- New Five new themes and a font picker.
- New Brain games to sharpen the fundamentals.
- New Guides on no-code and low-code tools, and working with AI.
- New Math, Physics, and Logic topics.
- Improved The lofi player moved into the header with clearer controls.
May 2026
- New In-depth language guides, including Java and C#.
- New A Frameworks learning path.
- New Cheat sheets and a plain-language glossary.