Changelog
Last updated: March 25, 2026
Recent updates
- Launch - SkillHacker is live for early access: practice questions, tests, and progress tracking in one place.
- Fresh questions - we expanded coverage across multiple categories so you can drill deeper by topic and difficulty.
Categories with new or updated content
Highlights include (among others):
- System Design
- JavaScript
- React
- CSS & layout
- Networking & HTTP
- Data structures & algorithms
The catalog keeps growing - check the app for the full list of skills and categories available to your account.
Coming next
More question formats, richer explanations, and tighter analytics. Follow this page for summaries of what shipped.