Chrome 76 will begin to support an explicit SameSite: None attribute
https://web.dev/samesite-cookies-explained/
I found that the current imple
[Edit] If you are using all dlls and packages from nuget, you have to ensure Microsoft.Net.Http.Headers is in version 2.2.8 of above.
After last KB from microsoft in 10 december 2019, It should be fixed in .net framework and dotnetcore.
see: