Unreal Engine Issues
Unreal Engine Issues
Lightmass ignores StaticSwitch in materialinstance
UE - Graphics Features - Aug 12, 2020This is caused by FLightmassMaterialProxy doesn't have GetStaticParameterSet() function. (FMaterial::GetStaticParameterSet() is called.) It can be fixed by adding the following function to FLightma ...
Normal voice chat does not activate the microphone when Mic Threshold is zero
UE - Audio - Aug 11, 2020Voice chat does not work when speaking into the microphone with a normal voice and a Mic Threshold of 0. We have to blow into the microphone or speak loudly for voice chat to work. ...
Assets are not discoverable after re-adding Feature Pack to project
UE - Editor - Content Pipeline - Content Browser - Aug 11, 2020.uasset files that were deleted then re-added to the Content Browser are not properly discovered and added to the explorer. I have confirmed these assets are still on disk within Windows Explorer. T ...
Text3d renders backwards.
UE - Rendering Architecture - RHI - Aug 10, 2020When adding a Text3D actor (after placed as Child Component), into viewport the actor renders backward and not as expected. I was able to reproduce this issue in 4.25.3, but did not have this issue ...
D3D device being lost ( DXGI_ERROR_DEVICE_REMOVED ) on both D3D11 and D3D12
UE - Rendering Architecture - RHI - Aug 10, 2020It is hard to reproduce, but a licensee reported in UDN that it crashed on his computer frequently. He provided two crash dumps with logs which I uploaded here.[Link Removed][Link Removed] OS: W ...
Crash when destroying a geometry collection actor
UE - Simulation - Physics - Aug 7, 2020When an actor with geometry collection is destroyed, the engine doesn't remove elements from array in the ChaosSolver So illegal references occurs. Removing element with following quick fix code ...
Widget Slider increments in an odd way when it is dragged outside of its bounds when next to another Widget
UE - Editor - UI Systems - Aug 6, 2020The attached video shows the results of this bug. When two Widgets are next to each other and one of them has sliders, when the sliders are dragged past their bounds they will increment backward so ...
HideCategories metadata does not hide native Component categories when viewing the root actor
UE - Gameplay - Blueprint Editor - Aug 4, 2020Seems like we are probably just missing a metadata check when drawing the details of the actor instance, and it is only doing the check for drawing ActorComponent details. ...
Reflection captures cannot capture any ray tracing effects
UE - Graphics Features - Lumen - Aug 4, 2020Currently, Reflection capture ignore any ray tracing effects. So let'say you want to use only ray tracing shadow but also you want to use reflection captures for reflections instead of ray tracing r ...
Details View loss of expansion state on container changes
UE - Gameplay - Blueprint Editor - Aug 3, 2020From the UDN post: When the new entry is added, the entire tree gets wiped out as a result of the CDO swap, and when these update methods run it leaves the tree in a default expansion state. (Effect ...