On February, 4, Google is set to roll out a new Chrome update that promises a bunch of new features designed to make the browser faster and more secure — including a new approach to cookies.
The SameSite update will require website owners to explicitly state label the third-party cookies that can be used on other sites. Cookies without the proper labelling won’t work in the Chrome browser, which has 64% of the overall browser market, according to Statcounter.
Update: Since I posted this question a lot of discussion has been done.
Currently the latest can be seen in the Magento 2 repo: