Unreal Engine Issues
Unreal Engine Issues
Deleting a material layer from the stack reverts other layers' overridden parameters to default
UE - Graphics Features - Feb 5, 2021It appears as though parameters for downstream material layers are reverted to their default values and override states when an upstream material layer is deleted. ...
Editor crash on Instanced Subobjects of an outer class in Class Picker
UE - Gameplay - Components - Aug 17, 2021The indirect lighting is black on mobile with sublevels
UE - Graphics Features - Apr 28, 2022MoviePipeline: Panoramic Renders don't work
UE - Anim - Sequencer - MRQ - Nov 10, 2022Images aren't just under exposed, they have values of 0.0 even in exrs - enabling the Debug Settings and writing out all samples shows the GPU is actually rendering black. ...
Ocean not centered at correct location when placed away from the origin
UE - Graphics Tools - Terrain - Water - Mar 21, 2023This display problem is a problem in the editor and Ocean was drawn normally during the PIE. When the problem occurred, we observed that only a part of the WaterInfoTexture in the WaterZone was wri ...
[Audio][Niagara] - Audio Spectrum only reacts to Channel 0, despite setting to another channel
UE - Audio - Submixes - Jun 6, 2023While doing some extra testing of the Submix Analyser fixes, I noticed there is a setting to set the channel of the submix to give the analyser. It always works for channel 0, but changing it to any ...
SwapRootBone_Actor ignores a relative rotation
UE - Anim - Sequencer - Dec 19, 2023When we use SwapRootBone_Actor, we expect to move in the X-axis direction, which is the forward direction of the Actor. However, it does not take into account the RelativeRotation of the Skeltalmesh ...
Crash when using CastChecked<>(nullptr, ECastCheckedType::NullAllowed) in configurations where checks are disabled
UE - CoreTech - Jun 19, 2025When using CastChecked<>(), the second parameter can be passed as ECastCheckedType::NullAllowed to make the check succeed when the input is nullptr. However, in UE 5.5 up to the latest engine versio ...
VALIDATE_UNIFORM_BUFFER_LIFETIME fails compilation
UE - Graphics Features - Jul 24, 2025Also verified on Release-5.5.4 CL 40574608 ...
Distance Field Artifact with Point/Spot Lights with Mesh scaled to 0 on XYZ
UE - Graphics Features - Apr 30, 2015When using a Spot/Point Light with Distance Fields enabled and a mesh that is scaled to 0 on the XYZ will result in artifacts. ...