Compose Multiplatform on iOS: Memory Pressure from Skia-Metal Rendering

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A technical article analyzes performance issues in Compose Multiplatform apps on iOS devices with limited RAM. It explains how the framework's Skia canvas uses Apple's Metal API for rendering, independent of UIKit. The integration of native UIKit components creates boundaries that force expensive GPU context switches, increasing memory pressure. On devices with around 3GB of RAM, such as the iPhone XR, these compositing decisions can trigger memory spikes and cause dropped frames in production.

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