Unreal Engine Issues

Issue with r.SkyAtmosphere.TransmittanceLUT.UseSmallFormat

When "r.SkyAtmosphere.TransmittanceLUT.UseSmallFormat=1", some values for the Sky Atmosphere at some directional light angles can lead to the sun disk being cut off, and taking on a chord shape. A ...

Play rate track does not work when using CreateLevelSequencePlayer

Play rate track does not work when using CreateLevelSequencePlayer Regression: YES Worked: 4.12.5 CL:3039270 Broken: 4.13.1 CL:3142249 ...

An Assertion is thrown when connecting a Vertex Interpolator nod to PerInstanceCustomData node to the Result node

Assertion is thrown when connecting a Vertex Interpolator nod to PerInstanceCustomData node to the Result node. ...

Layered blend per bone node with blend mask setting in an animation BP will not work after restarting UE editor, until recompiling the anim BP manually.

StateTree : Crash when executing GetPropertyRef in SubTree linked via Linked Asset

A crash occurs when GetPropertyRef node is executed from a SubTree that is linked within a StateTree, which itself has been linked from a parent StateTree via a Linked Asset ** . The processing con ...

WidgetBlueprint::DrawLines has broken AA on sharp cornered lines

WidgetBlueprintLibrary::DrawLines which calls FSlateDrawElement::MakeLines has broken AA for sharp cornered lines. ...

Editor freezes when setting browser filepath for inserted element in project settings

May be similar issue as [Link Removed] but with slightly different repro steps. Not a regression as it occurs in 4.14.3 ...

Spawned skeletal animations don't animate

Blend Space Per Bone Blend does not apply blend weight correctly

The Blend Space's Per Bone Blend doesn't always apply its interpolation speed correctly to the appropriate bone or at all. ...

When editing a Niagara module an error can occur if using non-module functions, even with a correctly set usage bitmask

When editing the module the call to FHlslNiagaraTranslator::HandleDataInterfaceCall has the usage "Module", so it treads the module as if that was its stack context, even though the module's usage b ...