You must log in or register to comment.
Simplelogin joined Proton on April 8 2022 https://simplelogin.io/blog/simplelogin-join-proton/ July 29 that year the SSO login was implemented https://www.reddit.com/r/ProtonMail/comments/wb1byk/you_can_now_link_your_proton_and_simplelogin/
Proton acquired Stabdardnites on April 10 2024, so probably around July-August if it’ll take a similar effort
Just give it a few more years.