Subclasses of UAISense_Hearing are not receiving noise reports and not updating perception

UE - AI - Perception - Mar 11, 2022

Subclasses of UAISense_Hearing are not updating perceptions. Using the AISense_Hearing instead of the derived class works as intended. Subclasses of UAI_Sense_Sight work for without any additional w ...

Delegate fixup doesn't work when bound functions are not in the current BP

UE - Gameplay - Blueprint - Mar 11, 2022

When BP functions are bound to native delegates with float parameters, we perform fixup on the BP functions such that their float parameters are converted from double precision to single precision. ...

Launching any QAGame map on Linux with an NVIDIA Card crashes at launch

UE - Rendering - Mar 11, 2022

Workaround:  "Start with "-windowed" in your command line until the issue is resolve" Engine does not crash. However, a crash appears when the game is launched in the output log. Issue is occurring ...

SceneTexture:WorldNormal causes decal to ignore Emissive Color

UE - Rendering - Materials - Mar 11, 2022

SceneTexture:WorldNormal causes decal to ignore Emissive Color.  ...

Memory leak when using Blueprint Debugger while inspecting a return value

UE - Gameplay - Blueprint - Mar 11, 2022

Potential memory leak when using Blueprint Debugger to inspect a return value multiple times while playing. User also reported this would cause a crash, but I didn't try to max out ram usage to trig ...

Undoing a change in a level while a Material is open causes the Material to become dirty

UE - Rendering - Materials - Mar 10, 2022

Undoing a change in a level while a Material is open causes the Material to become dirty, but isn't indicated in the content browser only by the save changes dialog when closing the material. ...

Installed builds of the Engine cannot package game targets with optional game features

UE - Foundation - Build - Rocket (Installed Engine) - Mar 10, 2022

The build system supports many types of flags that can be enabled in game-specific Target.cs files to enable things like logging in shipping, target-specific overrides like custom config, or enablin ...

Crash when calling SetVector2DParameter on a Niagara Parameter Collection

UE - Rendering - Niagara - Mar 10, 2022

Crash when calling SetVector2DParameter on a Niagara Parameter Collection. The value for the SetVector2DParameter may or may not have to be changed in order for the crash to occur.  Assertion faile ...

Crash when enabling r.HairStrands.Visibility.PPLL

UE - Rendering - Mar 10, 2022

Licensee reports no crashes in EA2. It crashes in Preview 2. The project is uploaded in a BOX due to its large file size. [Link Removed] ...

Wildcard input pins will not accept a Single Precision Float output value

UE - Gameplay - Blueprint - Mar 9, 2022

When trying to input a Single Precision float variable into a wildcard pin, a "No matching 'Add' function for 'Float (Single Precision)" error will appear. I was able to work around this by converti ...