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People started seeing the A/S tires on MYP around December 2021, but even today, it's a toss-up, whether you get the summer tires or all-season. Our '22 MYP had all-seasons, and the MYP next to ours (on delivery day) had summer performance tires.
FYI there is a thread that was tracking Model Y changes over time. Hasn't really been updated in a while but this entry from mid-2022 has a really nice timeline, including reference to the addition of all-seasons on MYP... Model Y changes over time
Lucky you. Those tires performance is amazing under all conditions I have encountered. Everything from oily wet asphalt, to ice, snow, and nearly 100 degree summer heat, gravel, mud and more.