Back in February, Google started to implement an important change to limit the functionality of third-party cookies in Chrome. Launched in Chrome 80, the cookie changes were designed to help improve the privacy and security of users.
https://www.techradar.com/news/google-is-making-a-security-compromise-to-keep-chrome-running-smoothly
https://www.techradar.com/news/google-is-making-a-security-compromise-to-keep-chrome-running-smoothly