Unreal Engine Issues
Unreal Engine Issues
Unable to use TWeakObjectPtrs for the optional Old value for a repnotify function
UE - Foundation - Cpp Tools - UnrealHeaderTool - Oct 8, 2018A user has reported that Unreal Header Tool fails to parse a rep notify function properly when the optional parameter for the Old value is populated with a TWeakObjectPointer. Example of errors:Sev ...
GPU Particles Don't Spawn at Correct Location When Used as Collision Event Receiver
UE - Niagara - Oct 8, 2018GPU emitter doesn't spawn particles at expected location when it is an event receiver. Also disabling Interpolate Spawning in the emitter properties affect this behavior as well, making the particle ...
Lightmap Density Of Imported FBX Offsetting When Lighting Is Built
UE - Graphics Features - Oct 8, 2018Lightmap density of imported fbxs will be offset when lighting is built. Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4369336, 4.22 CL# 4433008 This is a regression ...
Blueprint reinstancing can duplicate delegate bindings from the reinstanced Blueprint Actor to another referenced Actor instance in the current scene.
UE - Gameplay - Blueprint Compiler - Oct 8, 2018This issue occurs because post-BP compile reinstancing does not clear delegate bindings to other referenced Actor instances in the scene. Thus, the old BP actor instance remains in the referenced Ac ...
IOS-Shipping memory managentment failed for std::string
UE - Platform - Mobile - Oct 8, 2018[Image Removed] [Image Removed] [Image Removed] if strip with -x option, it will fix this issue. ...
Race condition whilst cooking material layers: Invalid DDC key
UE - Graphics Features - Oct 5, 2018When cooking the DDC key for a material layers parameter set may become invalid which causes issues reading/writing to the global material shader map and can lead to a crash. See original UDN post f ...
Changing Frame Buffer Pixel Format to Float RGBA makes the editor brighter
UE - Virtual Production - Oct 4, 2018The editor is very desaturated and bright when Frame Buffer Pixel Format is set to Float RGBA This does not occur when set to 8bit RGBA or 10bit RGB, 2bit Alpha ...
UE_ASSET_LOG assert if component name contains invalid characters
UE - Gameplay - Blueprint - Oct 4, 2018Blueprint components are able to be renamed to strings which are not valid object path names. If named improperly, MyComponent->GetPathName() will return an object path that will fail FPackageName:: ...
Crash upon attempt to create destructible mesh of EditorSphere or EditorCube
UE - Simulation - Physics - Destruction - Oct 4, 2018When attempting to create a destructible mesh from the Engine content folder, using the EditorSphere, or EditorCube Mesh will cause the editor to crash. However, other meshes from this folder such ...
Removing a parameter from a blueprint function in a library can cause actor classes calling it to lose their parent or instance data
UE - Gameplay - Blueprint - Oct 4, 2018Compile errors caused by an actor calling a function with something hooked up to a removed parameter can cause that actor to lose it's place in the hierarchy. Typically, the actor will be fixed once ...