Unreal Engine Issues
Unreal Engine Issues
RetargetSource in AnimSeqeuence doesn't affect DDC key
UE - Anim - Runtime - Aug 4, 2020Retarget source doesn't affect DDC key, so it causes incorrect result. Changing the anim sequence DDC key generation to include it fixes this issue. ...
ObjectScale node in the material editor does not work with decals
UE - Graphics Features - Aug 19, 2020The ObjectScale node does not output the correct values in the material editor. This method works to tile images with a Surface Material Domain on a basic plane, but does not work when using it with ...
Lightmass ignores StaticSwitch in materialinstance
UE - Graphics Features - Aug 12, 2020This is caused by FLightmassMaterialProxy doesn't have GetStaticParameterSet() function. (FMaterial::GetStaticParameterSet() is called.) It can be fixed by adding the following function to FLightma ...
BP - Array Get node can result in BP compiler note on load with reference types.
UE - Gameplay - Blueprint - Apr 10, 2017This is similar to [Link Removed], only in this case, the "Array Get" node is implemented as a UK2Node_GetArrayItem and not a UK2Node_CallArrayFunction. The fix for [Link Removed] currently applies ...
CreateWidget node keeps reference to created widget on output pin
UE - Gameplay - Blueprint - Oct 17, 2017There was an issue in 4.16 (fixed in CL# 3437205) in which blueprint output pins would hold on to object references until the blueprint was destroyed. It appears that an additional fix may need to b ...
[Feature Request] Niagara Ribbon Render needs V direction Tessellation option
UE - Niagara - Aug 8, 2021It has a common chunking visual artifacts that lot's of triangular Translucent overlap once Ribbon's width is big and twisted heavily facing to Camera [Image Removed] It can be fixed by adding mor ...
Component default data can be lost for a non-nativized Blueprint class that inherits the component from a nativized parent Blueprint class.
UE - Gameplay - Blueprint - Sep 5, 2018This is a regression that was introduced by the fix for [Link Removed]. The fix makes an invalid assumption that instances of components whose archetypes are inherited by a non-nativized child Blue ...
Project launch options flicker between available and unauthorized/locked
Tools - Aug 20, 2018Project launch options flicker between available and unauthorized/locked Unsure what causes this, but I have hit the issue twice. Another person has also seen this on their machine. I was able to ...
Actor Component Replication Not Working on Dynamically Spawned Components in Blueprint
UE - Networking - Aug 7, 2018Actor components that are spawned dynamically through Blueprint are not being properly replicated to the client. Found in 4.20 CL# 4233996 and reproduced in 4.21 Main CL# 4258917 Unable to test i ...
ChildAnimBP with different skeleton than parent does not show child skeletons anims in AnimGraphOverrides
UE - Anim - Runtime - Anim Blueprints - Jul 31, 2020Create a Parent AnimBP, add any animation to it. Then create a childAnimBP from Parent. In ChildAnimBP, go to TargetSkeleton (from class settings) to change a different skeleton. Then go to the Anim ...