MariosBikos Posted May 2, 2020 Posted May 2, 2020 UPDATE: The issue has been addressed with Beta 1.0.12.2 released. Here is how to change to the the BETA stream. -------------- There is currently an issue where Cosmos Elite users will get a crash when running applications that were built using Unreal Engine 4.24 or 4.25. We are now tracking the issue and will report back whenever there is an official fix for it. However, you can apply a temporary workaround for the issue as reported here: https://answers.unrealengine.com/questions/953996/does-the-unreal-engine-support-the-cosmos-elite.html The workaround is quite simple but it can't be considered a final fix cause it may impact performances for low-end GPU users. For game/app end users: Just go to %USERPROFILE%\AppData\Local\{ApplicationName}\Saved\\Config\WindowsNoEditor\ and open (or create if not present) the file Engine.ini. Then add the following lines at the end of the file: [/Script/Engine.RendererSettings] vr.HiddenAreaMask=false For Developers: Do the same thing by editing the file DefaultEngine.ini (config folder) and restart Unreal Engine 3
krlsmnk Posted June 8, 2021 Posted June 8, 2021 Having the exact same issue in UE 4.26, using a brand new Vive Cosmos Elite. Tried the fix by modifying DefaultEngine.ini. Tried switching to the Beta branch of Console. UE and SteamVR both crash when I launch the VR preview in the UE editor. The Valve Index has no issues running the application. @C.T.
krlsmnk Posted June 16, 2021 Posted June 16, 2021 Both of my projects were built from the VRExpansion Template project, found here: https://github.com/mordentral/VRExpPluginExample/tree/4.26-Chaos With no changes to the example project on 4.26, the Cosmos Elite crashes both UE4 and SteamVR when running VRPrieview in the editor. The Index gives no trouble. I unfortunately cannot share my repos; they are hosted on our classified Git even though they are not classified.
krlsmnk Posted June 28, 2021 Posted June 28, 2021 Hey, sorry I took so long to respond, I was in a class all week last week. I tried the build, and it works fine on the Cosmos Elite. Did you change <anything> in the example project, or just build it? If you changed anything, let me know what, and please send me your project files so I can diff them.
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