We are excited to announce Azure Virtual Desktop Portal support for Trusted Launch virtual machines! Trusted Launch virtual machines recently went GA in November, and are Gen2 Azure virtual machines with enhanced security features such as secure boot, vTPM, virtualization-based security, Windows Defender Credential Guard, and Hypervisor-Protected Code Integrity.
You can now choose between the Standard and Trusted Launch virtual machines security type when deploying virtual machines during the host pool creation process:

If the Trusted Launch virtual machines security type is selected, you will also have the option to enable vTPM and/or secure boot:

To learn more about Trusted Launch virtual machines, please visit here.