UActorFactory::PostSpawnActor gets called twice when an actor blueprint class is dragged into the scene

UE - Gameplay - Jan 11, 2019

Whenever dragging and dropping an actor to the Scene, the function UActorFactory:: PostSpawnActor gets called twice. Tested in 4.20.3 (CL - 4433814), 4.21.1 (CL - 4705082), 4.22 (CL - 4708082) ...

GPU Particle Initial Color With Distribution Constant Curve Will Not Transition Between Points

UE - Niagara - Jan 24, 2019

GPU Particles will only use the first point of an Initial color module with Distribution set to Constant Curve. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.222 CL# 4768593 ...

Skylight is not Captured in Reflection Probes

UE - Graphics Features - Apr 2, 2019

Skylight is not Captured in Reflection Probes. Unable to test in 4.20 due to project provided being 4.21 Found in 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5687320 ...

Translucent Elements of an Invisible StaticMesh are Visible If Hidden Shadow is Enabled

UE - Graphics Features - Apr 5, 2019

Translucent parts of a static mesh is still visible after setting to invisible and Hidden Shadow. Working as expected in 4.20 CL# 4369336, and 4753647 Found in 4.22 CL# 4660361 and 4.23 CL# 576279 ...

HISM Rotated Instance is Culled Whenever its Pivot Moves Out of Camera View

UE - Graphics Features - Apr 23, 2019

HISM rotated instance is culled whenever its pivot moves out of camera view.  Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 6037269 ...

Changing ISM/HISM collision response at runtime does not update the collision properly.

UE - World Creation - Worldbuilding Tools - World Composition - May 8, 2019

Changing ISM/HISM collision response at runtime does not update the collision properly.  Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6063286, 4.23 CL#6368684 ...

Ansel Wont Work if the Project is Still Open

UE - Graphics Features - May 22, 2019

Ansel wont work if the same project is still open while running the packaged version. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...

Shadows flicker when using spotlight

UE - Graphics Features - Jun 5, 2019

The shadows on a spotlight flicker whenever the camera is moved.  Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22.2 (CL - 6547378), 4.23 (CL - 6845209) ...

Instances Created From Merge Actor Have Corrupt Lightmaps

UE - Graphics Features - Jun 6, 2019

Instances Created From Merge Actor Have Corrupt Lightmaps. Working as intended in 4.20 CL# 4369336 and 4.21 CL# 4753647 Found in 4.22 CL# 6574378 and 4.23 CL# 6842436 This is a regression. ...

Numpad + Shift does not release keystrokes

UE - Gameplay - Input - Nov 9, 2021

The combination of Numpad + Shift seems to have various problems. https://answers.unrealengine.com/questions/899468/what-is-the-issue-with-shift-num-key-combinations.html  Regression No, according ...