Unreal Engine Issues
Unreal Engine Issues
Static meshes in a particle system are not affected by decals
UE - Graphics Features - Dec 21, 2017There is an issue where Static meshes in a particle system are not affected by decals, It is unsure if this is intentional behavior or not. This issue does not appear to be a regression Versions ...
Emissive for Static Lighting - dark spot directly under light
UE - Graphics Features - Jun 27, 2018https://forums.unrealengine.com/development-discussion/rendering/1493948-emissive-for-static-lighting-glitch ...
iOS build from Windows fails if your remote Mac shell is set to /bin/zsh
UE - Platform - Mobile - Jan 19, 2021https://forums.unrealengine.com/development-discussion/ios-development/1696189-ios-launching-error ...
C4D import, missing materials
UE - Editor - Content Pipeline - Datasmith - Importer - Jan 21, 2022cf. https://forums.unrealengine.com/t/texture-problem-with-c4d-import-datasmith/272840 ...
LevelSequence Editor consumes input, even if the user last focused the Level Viewport
UE - Anim - Sequencer - Nov 27, 2024LevelSequenceEditor has input priority over the Level viewport and other editor modules even though the Level viewport has been the last one selected. An example would be a cut operation. If you ha ...
Reset To Defaults in Editor Preferences Graph Editor does not work consistently
Tools - Nov 7, 2018The Reset to Defaults button in Editor Preferences does not reset all the properties to their default values. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4543149), 4.22 (CL ...
STAT_VolumetricLightmapBuildData is not counted correctly
UE - Graphics Features - Dec 9, 2022STAT_VolumetricLightmapBuildData isn't counted correctly. It seems that the root cause is Volume.IndirectionTexture.DataSize is set to 0 before STAT_VolumetricLightmapBuildData is decreased.// Prec ...
Lighting Scenarios Map Check warning about multiple skylights not supported
UE - Graphics Features - Dec 5, 2016When using Lighting Scenarios and placing a skylight in the lighting scenario levels when you build lighting there will be a map check warning that "Multiple sky lights are active, only one can be e ...
~FStaticMesh() can crash with race condition
UE - Graphics Features - Mar 21, 2017UDN user reported frequent crashes in FStaticMesh::~FStaticMesh() on DrawListLinks[i]->Remove(false); Crash went away after adding critical sections to FStaticMesh::LinkDrawList(), FStaticMesh::Unl ...
The engine crashes when adding a new brush at newly created level by a specific way.
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 17, 2019issuesFBSPOps::csgAddOperation returns null if BuilderBrush has no valid polys.The creating level on content browser never calls "UEditorEngine::InitBuilderBrush(NewWorld);". But "New level" button o ...