Weekly Digest
Jan 12 - Jan 18, 2026
8 articles that week
React Native Best Practices for Building AI Agent Applications
Callstack just dropped a comprehensive guide for building AI agent apps in React Native. If you're shipping AI features to mobile, this one's packed with real-world patterns.
Update Your Projects for AGP 9
Márton Braun from JetBrains drops a critical update: Android Gradle Plugin 9.0 just landed with breaking changes that will affect every Kotlin Android project. Time to update your build configs.
LLM Flexibility and Agent Mode Improvements
Sandhya Mohan and Trevor Johns from Google just dropped a game-changer: Android Studio now lets you use ANY LLM—OpenAI, Claude, or even local models—to power your AI coding assistant.
Building the Same App in SwiftUI, Kotlin Multiplatform, and Flutter — What 281 vs. 75 Lines of Code Teaches Us
Dr. Simon Bogutzky built the same bill-splitting app three times. The line count difference? 75 vs. 281.
Compose Multiplatform 1.10.0
Elvira Mustafina from JetBrains just dropped Compose Multiplatform 1.10.0, and it's solving one of the most annoying pain points in cross-platform development. Three different @Preview annotations? Gone.
NavEntryScope: The missing scope in Android Hilt
Luca from Mercari's Logistics team hit a wall: multiple ViewModels on one screen needed to share data, but Hilt's built-in scopes forced them into Singleton hell with manual cleanup. So they built their own scope.
The Journey to Compose Hot Reload 1.0.0
Sebastian Sellmair and Azat Abdullin from JetBrains reveal how they built Compose Hot Reload 1.0.0—a zero-config tool that lets you update Kotlin UI code instantly while preserving app state. The engineering behind it is wild.
Building v0 iOS and Fixing React Native Along the Way
Building an AI-powered iOS app from scratch sounds exciting until you hit React Native's rough edges. The v0 iOS team found plenty of them.