Rename BP in Content Browser causes actor to not load in WP map

UE - World Creation - Worldbuilding Tools - World Partition - Sep 28, 2022

When trying to load the actor, the warning "Can't load actor guid from package" will show. In FWorldPartitionActorDesc::Load, it's unable to find the object: Package = LoadPackage(Package, *Ac ...

Invalid Subsurface Scattering Color when using Per Pixel Shading Model and non-default material layers

UE - Rendering - Materials - Sep 27, 2022

It appears as though when adding material layers to a material instance that uses the FromExpression shading model, the subsurface color ends up white. If you add a DebugFloat3Values and output it t ...

Returning the value of a Transform as a String has a missing colon after Scale

UE - Gameplay - Sep 26, 2022

This is NOT a regression. Tested In //UE4/Release-4.27 at CL18319896 Printing an actor's transform as a string returns transform and rotation with a colon, but returns scale without. ...

[CrashReport] UnrealEditor-AppFramework!SColorPicker::HandleParentWindowClosed(TSharedRef<SWindow,1> const &) [SColorPicker.cpp:1530]

UE - Editor - UI Systems - Sep 26, 2022

Generated from CrashReporter This is NOT a regression. Tested in //UE4/Release-4.27 at CL18319896 Tested in //UE5/Main at CL 22175708 - Issue did not occur ...

[AI] Using a Reference Value for scoring in an EQS test produces the opposite effect of its tooltip.

UE - AI - EQS - Sep 23, 2022

An EQS Query scores the tests using reference values opposite of how the comments and tooltips describe. It will score items closest to the referenced value lower than those further away, but the ex ...

[AI] Navmesh does not generate correctly on a plane that has a slope of 45 degrees or more.

UE - AI - Navigation - Sep 23, 2022

Navmesh generation appears to have issues handling terrain and planes that are at 45 degree or steeper angles even if the agent max slope is set to allow for such movement. While the issue occurs at ...

Blend Space Graph node doesn't display fast path icon

UE - Anim - Runtime - Anim Blueprints - Sep 22, 2022

Because SGraphNodeBlendSpaceGraph inherits from SGraphNodeK2Composite rather than UAnimGraphNode_Base as with most anim nodes, we aren't able to make the check as to whether the node is fast-path co ...

WorldPosition in PostProcessMaterial returns inconsistent results in AfterTonemapping with TSR and TAA

UE - Rendering - Materials - Sep 20, 2022

This behavior appears to be a regression new to UE5, as I tested in 4.25 and the issue does not occur. Interestingly, the issue clears up if you switch to No, FXAA, or MSAA antialiasing methods. Th ...

Blueprint breakpoints on EventEndPlay do not break execution in PIE

UE - Gameplay - Blueprint Editor - Sep 16, 2022

Blueprint breakpoints on EventEndPlay do not break execution of the PIE session before the session is destroyed. ...

Visualizing Custom Stencil Buffer returns incorrect results when an Actor with Render CustomDepth Pass enabled is visible

UE - Rendering - Sep 15, 2022

This is a regression tested in //UE4/Release-4.27 CL 18319896 Visualizing Custom Stencil Buffer returns incorrect results when an Actor with Render CustomDepth Pass enabled is visible. ...