From the article: > While we implemented the mitigation above, we started discussions with the major browser vendors regarding the SameSite cookie attribute. O

From the article: > While we implemented the mitigation above, we started discussions with the major browser vendors regarding the SameSite cookie attribute. Once we shared the problem with them, they were keen to help. All major browsers have now implemented SameSite cookie support. This includes Chrome, Firefox, Edge, Internet Explorer 11, and Safari. This was an incredible effort in a very short timeframe, and the browser vendors deserve enormous credit for responding quickly.