Changelog

Track every improvement, feature, and fix we ship.

v1.2.0 March 10, 2026

System Design Lab Launch

Introduced the AI Incident Challenge — 3-5 minute visual architecture patching exercises
Added mock AI follow-up questions with score-based feedback
New Lab tab in bottom navigation
Performance improvements across the app

v1.1.0 February 24, 2026

Signal Tips & Progress Dashboard

Added Signal Tips — 60-second interview tips after each daily question
New progress dashboard with consistency calendar heatmap
XP and level system with achievement tracking
Topic strength visualization

v1.0.1 February 10, 2026

Improvements & Fixes

Improved question loading performance
Fixed streak calculation edge case around midnight
Better error messages for network issues
Updated onboarding flow with role and goal selection

v1.0.0 January 28, 2026

Initial Launch

Daily system design MCQ with instant feedback and explanations
Streak tracking with personal best records
History view with full attempt log
Magic link authentication
Clean, minimal iOS-first design

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