The source – searchengineland.com
With the rollout of Page Experience signals, starting June 21, sites that do not support AMP will also be included in the Top Stories section of Google's mobile search results.
Previously, from 2016 to 2020, this was not possible for non-AMP pages. In May 2020, the company lifted this restriction for some news sites that post information about COVID-19. Now it is available to regular pages as well.