web.dev has a very insightful article on SameSite cookies. Read it to understand how they work.
|SameSite=Lax||Functionality affecting the display of the site. Includes first request.||Theme switcher|
|SameSite=Strict||Relating to actions the user initiates. From second request.||Password change|
|SameSite=None||Functionality affecting the embedding of the site content.
Cookies with SameSite=None must also specify Secure, meaning they require a secure context.
|Watch it later button|
Cookies without a SameSite attribute will be treated as SameSite=Lax.