Niagara particles are culled when opaque material blend mode added

UE - Niagara - May 6, 2019

Niagara particles are culled from far distances when materials with the Opaque Blend mode are applied to them. Tested in 4.21.2(CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6311794) ...

Crash when debugging project offscreen

UE - Graphics Features - May 30, 2019

Running a project with the RenderOffscreen flag in the DebugGame configuration applied causes the debugger to crash. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6674923) ...

OnEditorCameraMoved delegate not firing in the Animation Viewport

UE - Anim - Runtime - Jun 19, 2019

Found in 4.22 CL#6574378 Reproduced in 4.21 CL#4753647, 4.24 Main CL#7062442 The OnEditorCameraMoved delegate does not fire in the Animation Viewport. The example project provided by the user is a ...

Draw Post Process Material to Render Target cannot use SceneTexture

UE - Graphics Features - Jun 20, 2019

Draw Post Process Material to Render Target cannot use SceneTexture. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 7053642, 4.23 CL# 7062535 ...

Instanced MovieSceneEventParameters does not save updated values upon level load

UE - Anim - Sequencer - Jun 24, 2019

Any instanced Actor with a public MovieSceneEventParameter struct doesn't retain any altered values on level load. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647 , 4.24 Main CL#7173985 ...

Crash on adding elements to a TMap property

Tools - Jul 25, 2019

Adding elements to a TMap<int32, int32> causes the editor to crash if the TMap has a default value associated with it. Tested in 4.22 (CL - 4753647), 4.23 (CL - 7445012), 4.24 (CL - 7605614) ...

Confusing message when attempting to connect mismatched Delegate pins

UE - Gameplay - Blueprint Editor - Aug 26, 2019

When the user attempts to connect delegate pins that don't match, they received a confusing mouse tooltip message that simply reads "Delegate is not compatible with Delegate". Suggested fix: When ...

Material Translator Uniform Folding Is Not Operating Properly

UE - Graphics Features - Sep 19, 2019

Uniform folding is not working with material parameter collections along with one additional unnecessary instruction generated.  Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8748719 ...

AnimBP instance is leaked when using linked animation graphs with 3 or more hierarchies

UE - Anim - Runtime - Sep 5, 2022

When creating an AnimBP with 3 or more layers using linked AnimGraph nodes and going through a state where animation is initialized such as replacing SekeltalMesh, the AnimBP on the 3rd layer is not ...

AnimDrawDebug does not work if using RootMotion from Everything

UE - Anim - Gameplay - Feb 14, 2023

Debug drawing with AnimDarwDebug~ does not work when RootMotionMode is set to "RootMotion from Everything". In addition, the same issue occurs when MultiThread of Animation is turned off. Licensee ...