Heads-up that Expo Go has a new requirement: you need to be logged in to both the Expo CLI running in your terminal and the Expo Go app in order to run your app in development mode.
Can you name the slowest screen in your app? The fastest?
Observe breaks performance down per route now, so the answer is a list you can sort instead of a hunch you defend.
◆ Cold time to first render
◆ Warm time to first render
◆ Time to interactive
🧪 Experimenting building a foldable UI with @expo , Astra, and Material 3 for Android.
A local Kotlin module wraps Material 3’s adaptive layout, exposed through the Expo Modules API.
React serves the data layer and Expo UI renders native Compose components.
How fast does your app feel to users?
Not on your phone (your phone is probably pretty nice). How does it feel on a three-year-old Android, in low power mode, on a train.
Observe can tell you.
