Skip to content- Added a Notes page - Capture and organize your thoughts while working through course content. Saved locally in your browser.
- Welcome email for new students - Helpful resources to get started, sent on signup.
- Improved signup reliability - Fixed a race condition that could create duplicate user records, and welcome emails now send consistently.
- AI Engineering Days 24-39 - New content - Covers model evaluation, fine-tuning, agentic systems, and production deployment.
- AI Engineering Days 2-23 - Updated content - Clearer explanations, more examples, and better code samples throughout.
- Day 2 - Fixed invisible text in HTTP Methods Explorer - Example text now displays correctly in dark mode.
- Day 3 - Fixed completion message - No longer incorrectly says "Tomorrow, we'll look at APIs" when Day 4 is Databases.
- Day 4 - Fixed invisible SQL dropdown options - Column selector now displays correctly in dark mode.
- Day 6 - Fixed overlapping nodes in Payment Simulator - Database, Stripe, and Email nodes no longer stack on top of each other.
- Day 9 - Fixed missing space in function signature - Type hint now renders as `name: str, age: int` instead of `name: strage: int`.
- Day 20 - Fixed security challenge pointing to wrong line - The vulnerable password assignment is correctly identified as line 11.
- Day 38 - Fixed crash on "See Results" - Clicking "See Results" after completing all items no longer errors out.