GrapheneOS has fixed the Android 17 QPR1 kernel performance regression

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Android 17 QPR1 was released for Pixels on September 15. It has a regression in the Pixel kernel driver tree causing stuttering, lag and outright freezes under memory pressure. It impacts GrapheneOS too since we updated the firmware/drivers but we fixed it for our release today.

Google is taking increasingly long to implement and ship fixes for major issues in Android. We’re having to expand our workload to include handling basic updates, testing and quality control for the entire operating system. We have rapidly growing resources and we’ll handle it.

Pixel 11 series received a bug fix release near the start of September 2026 with the 2026-09-01 patch level. That update wasn’t Android 17 QPR1 and also doesn’t include the September 2026 Pixel firmware/driver security patches. Perhaps they noticed this issue and cancelled it.

Standard Android and Pixel updates have a severe issue with delays. It usually takes 2-3 months for Google to ship fixes for both severe regressions and security issues.

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