Unreal Engine Issues
Unreal Engine Issues
SpiralBlur-SceneTexture Does Not Compile If Raytracing Enabled
UE - Graphics Features - Lumen - Jul 22, 2019The material function SpiralBlur-SceneTexture, does not compile in DX12 mode. Found in 4.22 CL# 7053642, 4.23 CL# 7321677, 4.24 CL #7474192 ...
SteamVR crash with DirectX 12
UE - Platform - XR - Aug 5, 2019SteamVR will crash with dx12 enabled. You may need to attempt to teleport or open the console for the crash to occur. Also confirmed in MAIN 4.24 CL 7713732 ...
Tessellated Materials Displayed as 0 in Shader Complexity ViewMode
UE - Graphics Features - Sep 11, 2019Tessellated Materials Displayed as 0 in Shader Complexity ViewMode. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8588088 ...
Cannot change Collision Profile of BP component instances
UE - Simulation - Physics - Oct 24, 2019BP instances placed in level cannot have their components' collision profiles modified to anything other than default and custom. Note that this did not occur in 4.22 (after applying the separate ...
Unable to create Texture 2D Array asset in the Content Browser
UE - Graphics Features - Nov 15, 2019The Content Browser is unable to create Texture 2D Array assets from the asset action UI. Tested in 4.24 (CL - 10091930), 4.25 (CL - 10236406) ...
Niagara system loses source emitters when moving Engine from 4.22 or earlier to 4.23 or later.
UE - Niagara - Nov 29, 2019The following code causes this behavior.// NiagaraSystem.cpp for (FNiagaraEmitterHandle& EmitterHandle : EmitterHandles) { EmitterHandle.ConditionalPostLoad(NiagaraVer); if (!EmitterHandl ...
Niagara Particles in Mesh Shape Don't Render in Scene or Editor Preview
UE - Niagara - Dec 19, 2019Niagara particles aren't rendered in the Niagara Editor Preview or the scene when an emitter is in it. Found in 4.24.1 CL#10756747 Reproduced in 4.25 Main CL#10808197 ...
Macro can have Pass-By-Reference type input
UE - Gameplay - Blueprint - Mar 30, 2020Input arguments of macros are always Pass-by-Reference. So this is just only pin looks matter. Pass-By-Reference modifier on Macro input was removed in 4.24. [Link Removed] ...
Crash saving blueprint with a Get Float Attribute node and the attribute pin is set inline
UE - Foundation - Core - May 5, 2020REGRESSION: Does not occur in 4.24 Crash occurs when saving a blueprint that is using a Get Float Attribute node and the Attribute pin is set inline. Does not occur if the pin is connected. ...
Duplicating BP actors reset edited Variables to Default Value if Variables name start with Chinese Character
UE - Foundation - Core - Jul 29, 2020Hints: It has no problem in 4.24, only happening in 4.25 It has no problem as long as the Variable name is contained with Alphabat(English characters) fully; or start with Alphabat(A_变量 is fine) ...