Unreal Engine Issues
Unreal Engine Issues
Editor crash when calling SGridPanel::SetRowFill
Tools - Aug 22, 2017Calling SGridPanel::SetRowFill on an actor's BeginPlay causes the editor to crash with the callstack provided The reporter mentioned SetRowFill uses if() statement where SetColumnFill uses while() ...
MS_VertexAnimationTools_MorphTargets are not deforming and reforming
UE - Graphics Features - Sep 20, 2017The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...
Renaming or moving Assets with a captured thumbnail removes the thumbnail
Tools - Sep 29, 2017Renaming or moving Assets with a captured thumbnail removes the thumbnail when it should preserve the captured thumbnail. This issue does not appear to be a regression. Versions Tested: Issue occur ...
Project fails to build for iOS from Windows when Generate .uedebugsymbols is enabled
UE - Platform - Mobile - Jan 9, 2018This does not occur in 4.18.3 at CL 3823254UATHelper: Packaging (iOS): ERROR: System.IO.DirectoryNotFoundException: Could not find a part of the path 'D:\Epic Games\UE_4.19\Engine\Binaries\ThirdPa ...
Primitive Render Mode has bad enum name and tooltip
UE - Graphics Features - Jan 17, 2018There is an extra option for the Planar Reflections with the Primitive Render Mode that appears to have the tooltip legacy. This issue does not appear to be a regression. Versions Tested: Issue occ ...
Editing Instanced Subobjects on a Parent BP may change unrelated Instanced Subobjects on a Child BP
UE - Gameplay - Blueprint Editor - Jul 10, 2018Child Blueprints with instanced subobjects inherit changes made by the Parent Blueprint's instanced subobjects, regardless of what property they are assigned to. Tested in 4.18.3 (CL - 3832480), ...
Ensure fires during nativized build while packaging for any BP class based on UAnimNotify
OLD - Anim - Oct 25, 2018Cooking will fail while attempting to convert a non-data-only Blueprint class based on the native UAnimNotify class when Blueprint nativization is enabled. Workaround in lieu of a fix would be to e ...
Unable to create derived classes of UPostProcessComponent
UE - Graphics Features - Jul 5, 2019Using the Super functions for OnRegister, OnUnregister, Serialize when defining their functionality in a derived class of UPostProcessComponent causes a linker error. Tested in 4.21.2 (CL - 4753647 ...
Certain combinations of 'bRenderStatic' and 'bNoSkeletonUpdate' on SkeletalMeshComponent produce undesirable behavior.
UE - Graphics Features - Aug 7, 2019Issues observed: - When bRenderStatic is on and bNoSkeletonUpdate is off, CachedMeshDrawCommands takes a significant chunk of time, because the scene primitive transform is being updated every fra ...
"Enable Stencil Test" Mobile crash
UE - Graphics Features - Sep 10, 2019A material with 'enable stencil test' will crash on mobile. Enable Stencil Test is a new option in materials as of 4.23 Confirmed with OpenGL 3.1 + 2 and Vulkan on Pixel XL Also Crashes on iOS ...