In 2018, Google announced that they would be taking their private .dev domain and opening it up to the public. They made that announcement at the Chrome Dev Summit, and it really didn't generate much buzz with all of the other news coming out at the same time. They had also just announced VisBug and Web.dev. It felt at the time like the public offering was just a minor note along the way, something that may happen eventually.
However, things have moved quickly, and Google just announced that they opened .dev up to the public. There is no red tape. There are no extra fees for Early Access. This is a full launch.