Major airport expansion (+54) - All 88 Japanese airports with IATA codes now included (Hateruma, Iejima, Fukui, Rebun, Kerama added) - Complete coverage of US FAA airports with 1M+ passengers (Bozeman, Asheville, Little Rock and 4 more) - Regional airports added for New Zealand (8), Vietnam (4), Taiwan (3), South Korea (4), UK (5), and more - Total: 1137 to 1191 airports New feature: Tools to build a learning habit - 3-Question Challenge: a quick mode you can finish in 30 seconds - Daily reminder notifications: set your own time (default 20:00), tap to jump straight into the 3-Question Challenge - Airport of the Day card: one airport picked daily, tap for Wikipedia - Warning banner before your streak breaks, plus a 22:00 notification (each notification can be toggled individually) New feature: Learn the structure of ICAO 4-letter codes - ICAO Region Map: 22 major regions color-coded on the world map, markers and list linked both ways - ICAO Prefix Quiz: multiple-choice quiz on 2-letter prefixes (RJ = Japan, EG = UK, etc.) Improvements - Purchase prompt banner added to the Conquest Map (shown only when unlocked content is not yet purchased) - Revamped review flow: for 1-3 star ratings, feedback can now be sent from inside the app