Google rolled out the first AI core update to Pixel 8 pro.This update is available on playstore.Pixel 8 pro has dedicated AI optimisation which runs in background for several on device tasks.
The update rolled out to Pixel 8 pro for AI models on the device.This optimizes System intelligence and numerous AI tasks on the device.
There is no official announcement regarding this update.
There is an option called Enable AI Core Persistent which allows the AI core to run without using much memory from the device.
The AI core App helps the Pixel 8 pro to perform AI tasks on device without completely depending on the Google cloud.