Viveport only offers Vive and Oculus checkbox for VR submissions, but should add also WindowsMR headset checkbox as it works with OpenVR. As a user, with my Acer I did not have any issues with subscription or other titles on this platform, but it made me worried every time that I am spending my subsctiption slot on potentially unsupported title. Now as a developer trying to submit an app I see that it is not the devs fault but the platform. I want to support this platform rather than Microsoft Store or Steam, but without even a label for WindowsMR I don't feel welcome here.