The indirect lighting is black on mobile with sublevels

UE - Graphics Features - Apr 28, 2022

BlendOutTime setting doesn't work when unlinking multiple anim layers

UE - Anim - Gameplay - Apr 27, 2022

When we unlink the layer, we call UAnimInstance::PerformLinkedLayerOverlayOperation In that function, ClassToSet is null, so we loop over the layer nodes and call SetLinkedLayerInstance(this, nullp ...

Differences in DistanceToNearestSurface and DistanceFieldGradient results between 4.27 and 5.0

UE - Graphics Features - Apr 27, 2022

In the UE5 case, we end up seeing very harsh lines in both the gradient and the distance to nearest surface examples whereas the results in 4.27 appear smooth.  It was also interesting to observe c ...

Last frame pose is not evaluated when playing Anim Montage with Blend Out Time of 0 in AnimNodeSlot

UE - Anim - Gameplay - Apr 26, 2022

When playing AnimMontage with BlendOutTime set to 0.f with AnimNode_Slot of AnimBP, it seems that the last frame pose may not be evaluated. this issue does not occur in high frame rate and does not ...

Ensure and Assertion thrown while attempting to change Float value on a Sky Light using the Set Editor Property node

UE - Editor - Workflow Systems - Apr 25, 2022

This is a regression. Assertion thrown while attempting to change a Float value on a Sky Light component using the Set Editor Property node. Different property values can trigger this assertion bes ...

CollisionEvent and other events during ChaosCaching do not occur

UE - Simulation - Physics - Destruction - Apr 22, 2022

Shared collection using SVN as SCC Provider has "!" icon in the content drawer

UE - Editor - Workflow Systems - Apr 22, 2022

One of the problems is Editor can not get correct SVN status of collections at launch. The following workaround enables to get the correct status. FCollectionStatusInfo FCollection::GetStatusInfo() ...

Gamepad_Special_Left is bound to different buttons on Windows and Mac for P.S4/5 Controllers

UE - Gameplay - Input - Apr 20, 2022

On Windows: Gamepad_Special_Left is triggered by pressing the touchpad button On Mac: Gamepad_Special_Left is triggered by pressing the "Share" button ...

Live Coding doesn't auto-compile upon reopening a project

UE - Foundation - Cpp Tools - Live Coding - Apr 20, 2022

When creating a C++ class and compiling utilizing Live Code, upon creating a blueprint class utilizing that C++ class as it's parent and restarting the editor, the blueprint class loses it's parent ...

World-space widget components drawing at desired size won't draw any smaller than 100x100

UE - Editor - UI Systems - UMG - Apr 19, 2022

Widget components set to "draw at desired size" won't draw any smaller than 100x100. This looks to be related to the hard-coded desired size of the SPopupLayer (callstack attached). This problem did ...