FPS and Editor GPU Selector don't appear on Mac after enabled in Preferences

UE - Rendering - RHI - May 4, 2022

Toggling these options should enable these features in the editor but nothing changes after restarting the editor on Mac. User can still toggle Show FPS using the hamburger menu – this is expected t ...

Editor Utility Blueprint derived from Actor Action Utility with an array variable doesn't work as expected when using Scripted Actor Action to add elements to the array

UE - Editor - UX - May 4, 2022

This is a regression. Editor Utility Blueprint derived from Actor Action Utility with an array variable doesn't work as expected when using Scripted Actor Action to add elements to the array. ...

Enabling Collision on a Spline Mesh component with a Static Mesh assigned causes an assertion to fail while executing in a package

UE - Simulation - Physics - May 4, 2022

Enabling Collision on a Spline Mesh component with a Static Mesh assigned causes an assertion to fail while executing in a package. This does NOT occur if you play in editor. Repro Rate: 4/4 Teste ...

Niagara Fluids Grid3D_Gas_Explosion causes a crash

UE - Rendering - Niagara - May 4, 2022

Placing Grid3D_Gas_Explosion into a level then packaging the level for windows will crash the packaged project. The package will give an error that it crashed while loading and quit.  This does not ...

[AI] Behavior Tree gets stuck in an infinite loop if a Conditional Loop decorator cannot find a child node to run

UE - AI - BehaviorTree - May 4, 2022

Behavior Tree can be stuck in an infinite loop with a Conditional Loop that cannot run any child nodes. Exception thrown at 0x00007FFC0E405F65 (UnrealEditor-AIModule.dll) in UnrealEditor.exe: 0xC ...

Post Process Animation Blueprint triggering a crash when compiled

UE - Anim - Runtime - May 4, 2022

User Description: "Crash happens only while trying to compile parent character's blueprint which contains no specified skeletal mesh. Child character containing mesh that uses mentioned post process ...

Separate Translucency causes crash with iOS and Android Vulkan preview rendering

UE - Platform - Mobile - May 4, 2022

This is a regression. Separate Translucency causes crash with iOS and Android Vulkan preview. ...

Get Constraint Force node always returns a magnitude zero vector

UE - Simulation - Physics - Solver - May 4, 2022

Get Constraint Force node always returns a magnitude zero vector. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and was able to get the constraint force, it is a regression. ...

State Machine Variable Type Icons Display in the Color White

UE - Anim - Runtime - May 4, 2022

Occurs 5/5 times State machine variable type icons all display in the color white.  Regression does occur - tested in //UE4/Release-4.27.2 EGL Live @ CL18319896 ...

[AI] StateTree assets need to be compiled again when restarting the editor despite no changes.

UE - AI - StateTree - May 4, 2022

StateTree assets show that there are pending changes to compile when reloading the editor. This can also mean that state trees do not run logic for AI as noted in linked UDN thread. ...