Unreal Engine Issues

Skeletons don't cook in a deterministic way

The "Rifle_Skeleton" asset in ShooterGame doesn't cook deterministically, and as such is always included in patches. Possible regression of [Link Removed] ...

Pasting a material graph breaks connection to any material function nodes.

Pasting a material graph breaks connection to any material function nodes. ...

Flickering shadows/GI when DrawMaterialToRenderTarget is called per tick in PIE

When DrawMaterialToRenderTarget function is called on tick and actors are spawned in game, the lumen shadow/GI visually flickers. Debugging shows that the lumen screen probes are flickering as well. ...

GPU particles are not showing on Metal / iOS

If you place a GPU particle into your project and deploy to an iOS device that supports metal, the asset will not show correctly on the device. I have attached the assets that were used to this rep ...

Compile error when opening a project on child blueprint calling parent blueprint event

child blueprints calling functions from parent blueprints generate compile errors upon opening project and pressing compile within the child blueprint. Workaround: Open parent blueprint and comp ...

Bloom artifact showing in splitscreen settings

There is a bloom artifact at the top of the bottom player's screen. ...

Twinmotion freezes after starting in VR mode with the HTC Vive Pro 2 headset.

Reimporting mesh will wipe any collisions that were setup using the Static Mesh Editor

When Reimporting a mesh the collision that is created using the methods in the Static Mesh Editor will be wiped if there was not previously setup UCX custom collision. ...

Playing this project in Standalone, or packaging for windows, causes the new window to crash

When you attempt to play the user project in Standalone, or Packaging for Windows, the new window will crash and not play the game. Issue also occurs on Mobile. The project will not open. ...

Users project is crashing when double clicking the exe file after packaging for windows

If you package this users project, you will get a fatal error crash after double clicking the exe file. I was unable to reproduce this issue without using the users project. Project download link: ...