GrapheneOS explains why your Pixel is lagging and freezing after Android 17 QPR1

TL;DR Some Pixel owners reported worse performance after installing September’s Android 17 QPR1 update. GrapheneOS says it has found a regression in the update that can cause lag, stuttering, freezes, and app crashes under memory pressure. While GrapheneOS has already patched the problem, stock Pixel users are still waiting for Google to release a fix.