Yesterday, Google said that it starts rolling out the Page Experience update starting from 15th June which lasts upto End of August. It began slowly rolling out, thus do not have a huge impact on ranking. This was planned to roll out in May but postponed due to some reasons.
The page experience update is now slowly rolling out (Top Stories will begin using this new signal by Thursday). It will be complete by the end of August 2021. More here: https://t.co/kDwhhOYklK
— Google Search Central (@googlesearchc) June 15, 2021
It is rolling out from Today and from today itself google will stop using AMP as a considerable factor for top stories & start using the Page Experience. Do remember, you do not need to meet all core web vitals metrics to appear in top.