The new update is actually Version 1.6.9, which also adds even more little features and quality-of-life tweaks. Check out the patch notes for the extremely detailed run-down of the fixes over on the Stardew Valley changelog, but we'll go over the big stuff here.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and content measurement, audience insights and product development. List of Partners (vendors)