Unreal Engine Issues
Unreal Engine Issues
Need to remove dependency on log2 on Android for older versions
UE - Platform - Mobile - Jun 27, 2017The log2 function does not exist in libc.so on older Android. Using FMath::Log2 instead solves the issue. ...
External textures only work in pixel shaders
UE - Platform - Mobile - Nov 21, 2017External textures currently only support pixel shaders, presumably because some platforms, such as Android only have pixel shader support. On other platforms this causes a regression though: For exa ...
[CrashReport] UE4Editor_CoreUObject!UStruct::IsChildOf() [class.h:373]
UE - Gameplay - Jan 24, 2018Comments from users:I pressed Play while having a directional light selected in-editorChanged landscape collision mip level. ...
The cloth mask vertexcolor is not updated when re-importing new vertexcolors
UE - Simulation - Physics - Character - Oct 7, 2019The function UClothingAssetFactory::ImportToLodInternal that set the FClothPhysicalMeshData structure is not call again when we re-import so the vertex colors are not updated. ...
Niagara crash when duplicating an emitter in the timeline through right-click menu
UE - Niagara - Dec 11, 2019Trying to duplicate an emitter from the timeline crashes the editor. This looks to be the result of UMovieSceneNiagaraEmitterTrack not implementing the function SupportsType. ...
iOS package with Metal Desktop Renderer renders reflections incorrectly
UE - Rendering - RHI - Apr 15, 2022When having Metal Desktop Renderer ON, the project renders incorrectly and shows a coloring/lighting issue on the character's reflection. ...
[Feature Request] Allow bulk-assignment of values during blend profile/mask creation
UE - Runtime - Animation - Oct 16, 2024Users have reported that manually editing each bone when generating blendmasks to be tedious and could be easier with some bulk editing functionality. ...
[Feature Request] Allow bulk-assignment of values during blend profile/mask creation
UE - Runtime - Animation - Oct 16, 2024Users have reported that manually editing each bone when generating blendmasks to be tedious and could be easier with some bulk editing functionality. ...
Mutable - morph does not work for a skinned mesh with more than one uv channel
UE - Runtime - Mutable - Oct 16, 2025The morph functionality fails to change when the skinned mesh contains more than one UV channel in a Customizable Object. ...
Rotating terrain with heightmap causes black splotches on terrain
UE - LD & Modeling - Terrain - Landscape - Jan 26, 2015Rotating a landscape with a heightmap causes lightmass to break, rendering black splotches across terrain after building lighting. ...