Does Stencil Buffers work in Unreal 5.4.4 and Quest 3? its not working and I rememebr it use to work

[RiftTest1]

if im not mistaken, didn't stencil buffers use to work in quest development? I cant seem to get it to work in quest 3 and unreal 5.4.4

https://www.youtube.com/watch?v=PiQ_JLJKi0M

can anyone here let me know if this ever worked ? And if it did how do I get it to work again in quest 3 and unreal engine 5.4.4.