UAnimSequenceBase::GetNumberOfFrames off by 1

Anim - Sep 10, 2019

Creating a montage from a default frame rate and rate scale sequence reports 1 less frame than the sequence. The difference is a result of UAnimSequence overriding UAnimSequenceBase::GetNumberOfFram ...

Import From Animation Root option on transform tracks creates a new absolute transform track

Tools - Sequencer - Sep 9, 2019

Importing root motion onto a transform creates a new absolute track, which can blend unexpectedly with existing transforms.  ...

Material rendering incorrectly when using DepthFade on iOS

Platform - Mobile - Sep 9, 2019

This issue only occurs on iOS and does not reproduce on Windows or Android. I have seen that the SceneDepth value of the DepthFade node may not be compared correctly. ...

UAnimInstance::GetInstanceTransitionTimeElapsed returning 0 in non-editor builds

Anim - Sep 4, 2019

In non-editor builds UAnimInstance::GetInstanceTransitionTimeElapsed always returns 0.0f. This is caused within FAnimNode_StateMachine::Update_AnyThread due to: #if WITH_EDITORONLY_DATA NewTra ...

Instanced static meshes fire an erroneous performance assert about loose parameters.

Rendering - Sep 4, 2019

 "This ensure is intended to catch regressions where rendering programmers add a loose parameter to LocalVertexFactory, breaking dynamic instancing on regular static meshes.  InstancedStaticMeshes c ...

Memory leak with disable rendering

Rendering - Sep 2, 2019

When executing "ShowFlag.Rendering 0", it occur the memory leak because it can't run RHICmdList.ImmediateFlush(). The following code is a workaround. DEC_MEMORY_STAT_BY() is ImmediateFlush. Witho ...

Cascade pooled emitters are not reclaimed on disabled LODs

Rendering - Cascade - Aug 30, 2019

Pooled memory will not be reclaimed from emitters with disabled LODs if Disabled LODs Keep Emitter Alive is checked. ...

Blend Space Per Bone Blend does not apply blend weight correctly

Anim - Aug 30, 2019

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

RichTextBlock with outline string displays irregular spacing

Tools - UMG - Aug 29, 2019

We can see irregular spaces between string. They want to display outline font bodys in regular spacing. Or they want a checkbox option to change the behavior of the spacing. [Image Removed] ...