With the passage of time, we have seen that Google slowly becomes more serious about a cohesive design language when it comes to Android, Chrome OS and Play Store. Taking another step in this direction, the company has developed new guidelines for app developer apps icons and are embracing the squircle.
Beginning in early April, developers will be able to upload new icons that conform to the new design in the Play Store console, which marks the beginning of the transition period. Starting May 1
Left: original icon; Center: new icon; Right: old icon in legacy mode
If you are curious about the exact specifications, be sure to check the second source link below. Google notes that only the Play Store on Android and Chrome OS will show these changes, mainly by applying a 20% radius of the icon size to maintain consistency, while Wear OS, Android TV and Android Auto do not will have no impact.