What's new in 4.0.0
• Added EN8 meteorology station support
• Smoother device list scrolling, especially with many devices
• Improved charts: clearer scales, better handling of sparse data, and hourly rainfall bars
• Ambient wind shown in km/h for EN6; m/s for EN7/EN8
• More reliable sensor-failure notifications (fewer repeats)
• Clearer water temperature sensor error messages
• Stability and display fixes across meteo and motor screens