Unreal Engine Issues
Unreal Engine Issues
Editing primary assets breaks the asset manager list of game feature data assets
UE - Gameplay - Oct 6, 2023When Game Feature Data assets are loaded as part of the Registering step in the game feature state machine used by Lyra and other games, they register themselves by calling AddGameFeatureToAssetMana ...
Chaos Vehicle does not make them CCD
UE - Simulation - Physics - Jan 10, 2024AWheeledVehiclePawn class tries to use CCD in the constructor, but Mesh->BodyInstance.bUseCCD = true this code does not work to activate CCD because Physics Assets could not be available at this ...
Contact shadows bug in splitscreen
UE - Graphics Features - Dec 11, 2024Screen Space shadows do not check the view boundary. This can cause extra shadows in split screen, as one view can cast shadows in another view. ...
Lack of multi-bounce when using software traced lumen radiosity
UE - Graphics Features - Lumen - Apr 4, 2025Certain Lumen Hardware Ray Tracing CVars, when disabled in isolation, will not fall back to tracing the Global Distance Field, because the Global Distance Field is still disabled. The function "Lum ...
Simulate Physics with Destructible that is using World Support can't be enabled after it's been hit.
UE - Simulation - Physics - Destruction - Apr 22, 2015When using a Destructible with World Support set simulate physics can be enabled so long as the DM has not been hit yet. Once it's been hit it no long is able to be set to simulate. ...
Camera behavior mismatch between PIE vs Packaged game
UE - Gameplay - Feb 19, 2015When a camera is setup in code with GetWorld()->GetFirstPlayerController()->SetViewTarget(this); the camera will work in the editor but a packaged version of the game has a black screen. ...
Going to an earlier point of a replay does not update to previous visibility state on an actor that was switched to not visible during demorec
UE - Networking - Jan 5, 2016Going to an earlier point of a replay does not update to previous visibility state on an actor that was switched to not visible during demorec. Reproduced in 4.9.2 binary and Main (//UE4/Dev-Main C ...
Unable to Import Sockets and LODs together for Static Meshes
Tools - Nov 6, 2015When importing a Static Mesh into UE4 that is using the SOCKET_ naming, and is part of a Level of Detail set, the socket is discarded. If the Level of Detail set is removed from the Static Mesh, t ...
Spline component that is altered in the construction script cannot be referenced by the Event Graph
UE - Gameplay - Blueprint - Apr 21, 2015A Spline component that is altered in the construction script cannot be referenced by the Event Graph. ...
Extremely long Spline Point will cause the editor to lose FPS
Tools - Nov 13, 2015Extremely long Spline Point will cause the editor to lose FPS and crash some machines User Description: A couple of times I've accidentally scaled a spline node to be huge, causing the spline to ...