Weekly Digest
Dec 29 - Jan 4, 2026
3 articles that week
Saturday, Jan 3
HashMap and Set Performance Optimization in Android Kotlin
Using List.contains() instead of Set.contains() in your Android app? You might be making it 900x slower than it needs to be.
Kotlin Multiplatform in 2026: Why We Finally Deleted Our Flutter Code
A team just deleted thousands of Flutter files and went all-in on Kotlin Multiplatform. Here's why the physics of cross-platform development finally caught up with them.
Wednesday, Dec 31
Unlock Native Power in Flutter Part 1
Flutter's cross-platform magic hits a wall when you need native APIs. Here's how to bridge that gap without losing your mind.