Unreal Engine Issues
Unreal Engine Issues
Unconverted BP function library does not assign output parameters after function call in a nativized build.
UE - Gameplay - Blueprint - May 31, 2018Stub functions generated for unconverted assets as dependencies of nativized assets do not properly handle output parameters (the result is not assigned after the ProcessEvent() call). Suggested fi ...
Setting PHYSX_MEMORY_STATS to 1 prevents the Engine from being built successfully.
UE - Simulation - Physics - Mar 9, 2015If #define PHYSX_MEMORY_STATS 0 is set to 1, the Engine will not build successfully. The build fails with the message: error C2338: FPhysXAllocationHeader size must be less than 16 bytes. ...
Procedural Sounds Dropping First Samples
UE - Audio - Oct 26, 2015When playing a sound with the bProcedural = true option enabled. The associated sound will then drop samples when played. The licensee who originally reported the issue actually has provided a fix i ...
Point lights with source length building static lighting in incorrect direction
UE - Graphics Features - Mar 21, 2018There is an issue where Point lights with source length building static lighting in the incorrect direction, the axis in which the light to be built seem to conflict with the preview build. This iss ...
Subtraction Node wild card inputs incorrectly assigns Time Span data type when given a Date Time data type
UE - Gameplay - Blueprint - Nov 18, 2021This is a regression //UE4/Release-4.27 has "DateTime - DateTime" and a "DateTime - TimeSpan" node. The subtraction node, with wild card inputs, incorrectly assigns Time Span data type when fed a D ...
Building development version on Linux fails due to iOS folder structure
UE - Platform - Linux - Jun 26, 2017In the default Linux folder configuration, Engine/Source/Runtime/Core/Public contains two folders, iOS and IOS. The iOS folder contains the files IOSCriticalSection.h and IOSCriticalSection.h while ...
Persona code calling incorrect extenders when building menus.
OLD - Anim - Jan 25, 2017Certain files for building menus is calling the wrong extenders List of known conflicting functions:FSkeletalMeshEditor::ExtendMenu() [Engine\Source\Editor\SkeletalMeshEditor\Private\SkeletalMeshEd ...
When Character BP actor is rotated, "Mesh" component translation differs on Client and Server
UE - Gameplay - Apr 21, 2015Occurs in: Releases 4.7.6 CL:2510309 Main 4.8 CL:2513846 When Character BP actor is rotated, Translation is changed for "Mesh" component on Client. Server appears as expected. This isn't typicall ...
Some landscape grass instances floating when generated on AMD cards under OpenGL
UE - Graphics Features - May 15, 2015User is reporting grass at the edge of their landscape being generated floating in the air on a Mac Pro with AMD GPUs. I have been unable to repro this on my Mac Mini with Intel Graphics HD 4000. Q ...
AnimCurveCompressionSettings is reset to CompressedRichCurve at editor startup
OLD - Anim - May 21, 2019AnimCurveCompressionSettings's codec is reset to CompressedRichCurve when user open the project, so user can not keep the state changed to UniformlySampled. The following code in the constructor of ...