Changelog
March 29, 2026Practice

Roadmaps and a larger problem bank

The challenge catalog became easier to browse by topic, difficulty, and learning objective.

What changed

  • The challenge catalog became easier to browse by topic, difficulty, and learning objective.
  • Roadmap-style practice helped learners choose the next useful problem instead of a random one.
  • The shared problem bank became a stronger base for practice, classroom, and assessments.