Deeplink Microflow not getting triggered after upgrade to Mx 9.1.1

Hi All,   I have recently upgraded from Mx 8.18.10 to Mx 9.1.1, and i followed the guide on upgrading to Mx 9 and updated all appstore modules first. I am using the SAML module for SSO and it is working correctly. However when i use a deeplink to enter the app, i am faced with a login page (See below). The deeplink was working before i updated to Mx 9.1.1.  Can anyone help please? and thanks in advance An example of the url is  
1 answers

See forum post here:

With Mx9 you need to change the SameSiteCookies settings in the custom runtime settings,

This is not yet reflected in the documentation.