After renaming a few applications on Play store, Google is now redesigning the interface of its software across all its major platforms. Say the Google Chrome browser, the address bar of the browser have round corners. Now, Google is pushing the design scheme of the circle to the company’s Phone app for Android.
Comparing the two software apart, now the favorite tab of the default dialer app on Pixel phones now has more circles. The circles make the experience more uniform while switching between the tabs. The new update brings circles everywhere, and the contacts are now three in a row.
Of course, the v27 update may not necessarily be roll-out everyone at once. You either need to sideload the ROM, or you need to wait for the update to roll-out on you Pixel 3.