[blm]

I looked at one of the URLs https://www.chromestatus.com/feature/5088147346030592. It says:

  ******NOTE: There is currently a bug affecting Mac OSX and iOS 
  which causes SameSite=None cookies to be inadvertently treated 
  as SameSite=Strict and therefore not sent with cross-site 
  requests. (See https://bugs.webkit.org/show_bug.cgi?id=198181) 
  Until this is fixed, SameSite=None may not work properly on 
  Safari.******

Are all your Chrome users not MacOS and not iOS?

[blm]

Yep and the latest update seems to have fixed it. Sorry. didnt mean to cause extra work.

[AlexITC]

Interesting, thanks for coming back, the simpler bugs are the ones you don't need to fix, aren't they? hehe.