CHANGELOG
What's new
Release notes and updates from the HLD Mastery team.
May 2026launch
Initial release
- —Interactive game canvas with 20+ AWS node types
- —Custom simulation engine — 300ms tick, CPU/latency/error-rate physics
- —40 playable levels across beginner, intermediate, advanced, and expert tiers
- —100+ animated concept pages — scroll to advance the diagram
- —MDX documentation site with Mermaid and D2 diagrams
- —AI architecture review panel in the game canvas
- —Google OAuth and email/password sign-in
- —Yearly and lifetime plans via Dodo Payments