Composition Tracing

Every Favorite Tap Was Redrawing Every Visible Wallpaper — Stopping Needless Recomposition in Compose, Measured

A record of fixing a wallpaper grid where toggling a single favorite recomposed every visible thumbnail. Covers turning on Composition Tracing to measure first, tracking the unstable parameter down, stabilizing the data model, handling lambdas and derived state, and comparing recomposition counts before and after from an indie developer's view.