Changelog & Release Notes — 2025

Recent updates — from small fixes to major features. Click any item to expand for details.

Aug 10 — Weak-Area Detection
🚧 In Progress
In Progress
  • Automated topic analysis and prioritization to surface your three weakest sections.
  • Generates focused daily quizzes so you practice what matters most.
  • Built with input from EPA 608–certified instructors.
Aug 03 — +120 New Type II Questions
✅ Done
Done
  • Expanded high-pressure system scenarios and recovery procedures.
  • All new items authored and verified by licensed HVAC instructors.
Jul 28 — Performance Optimization
✅ Done
Done
  • Mobile initial load reduced by ~25% via lazy-loading question modules.
  • Smoother progress-bar animation and instant scoring feedback on slower devices.
Jul 20 — Mobile UX Polish
✅ Done
Done
  • Improved touch targets and enhanced readability for outdoor/low-light use.
  • Layout tweaks for faster one-hand navigation on job sites.
Jul 12 — Repeat Incorrects Mode
✅ Done
Done
  • Generate a quiz from your missed questions only.
  • Questions are shuffled and slightly varied to prevent rote memorization.
Jul 05 — Question Bank Update (+85)
✅ Done
Done
  • Added refrigerant recovery and disposal scenarios, focused on realism and exam relevance.
  • All additions reviewed by certified instructors for accuracy.
Jul 01 — Practice Pages Launch
✅ Done
Done
  • Clean, mobile-first practice pages with instant feedback and teacher-authored explanations.
  • No login required — keep practice private and fast.
View full changelog on GitHub / Docs (coming)
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Roadmap & Timeline — 2025 Focus

Quarterly plan showing what's Done, In Progress, and Planned for the year.

Q1 2025

Core Features Launched — ✅ COMPLETED

Real-time scoring with progress bar; local history saving (no login required); mobile-first redesign; practice page layout refresh.

Q2 2025

Enhanced Practice Features — 🚧 IN DEVELOPMENT

Practice test improvements (display correct/incorrect; reduced JS downtime); free teacher-authored PDF study guide; weekly question pipeline; history dashboard layout.

Q3 2025

High-Impact Releases — 📅 PLANNED

Review mode highlighting weakest tests; instant explanations for review questions; exportable performance reports.

Q4 2025

Mastery & Simulation — 📅 PLANNED

Full test simulation mode; topic-by-topic mastery dashboard; flashcard learning mode.

Full Feature List

Complete overview of available and planned features.

Testing Features

Full Core / Type I / II / III / Universal tests • Mock exam mode • Adjustable timer & progress bar • Real-time scoring

Study Tools

Weak-area detection • Repeat incorrects • Personalized daily sets • Review mode & detailed explanations

Resources

Free PDF study guide by certified instructors • 1,000+ questions updated weekly • Flashcards (coming soon)

Privacy & UX

No login required • Local-only score saving • Mobile-first, works anywhere • Offline-ready (PWA)