Packaged VR build doesn't work?

I remember in 4.11, whenever I did a build for the HTC Vive, I just packaged it normally. I would then just launch the .exe and alt-enter to fullscreen it to put it in VR mode. Now with 4.13 preview 2, that doesn’t seem to work anymore. I also get an error to rebuild lights even though I’m not getting them in the editor after doing a full light rebuild.

Is there a console command or something that I’m missing to allow me to play the level in my HTC Vive? I’m also using the new VR template / motion controller pawn in my map. Thanks!

Found the answer from this thread

Just add -vr to the end of the shortcut. I never had to do this before but I suppose it’s been awhile since the last time I did a package build was in 4.10.

you could also just add a “console command” containing “stereo on” blueprint node in your level blueprint on beginplay, so you dont have to fiddle with cmdline params.

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