Citrix FAS /w Entra ID CBA, Entra ID Private Access with W365 and Windows 365 Frontline Shared Mode.
In the article Using Entra ID Private Access with W365 for Secure Workstation Access Marius Sandbu has described how they combined Windows 365 and Entra ID Private Access to provide remote access to internal services.
Julian Jakob published the article Citrix FAS – Entra ID CBA with a PRT in which he described how to setup Entra ID Certificate-Based Authentication including challenges with Citrix FAS.
Dominiek Verham is take a looking at the new Windows 365 Frontline in shared mode.