Unreal Engine Issues

Material Translator Uniform Folding Is Not Operating Properly

Uniform folding is not working with material parameter collections along with one additional unnecessary instruction generated.  Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8748719 ...

Morpher Animation incorrect if Names Overlap on Imported Mesh

Overlapping names are imported (with extra renaming), however they fail to attach the animation. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, and 4.24 CL# 8748719 ...

Normals Not Imported If Mesh Has A Morpher

If a mesh has 'Morpher' modifier on it (even disabled) normals won't be imported, the same meshes imported normals correctly once the morpher component is deleted. Found in 4.22 CL# 7053642, 4.23 C ...

Renaming Sprite Actor in Struct Blueprint, and closing the Editor causes de-reference

Paper Sprite actor set as a Default Value in a Blueprint Struct is set to none, when the sprite is renamed, saved, and the Engine is restarted. ...

Tessellated Materials Displayed as 0 in Shader Complexity ViewMode

Tessellated Materials Displayed as 0 in Shader Complexity ViewMode. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8588088 ...

Material Billboard Renders Incorrectly In Splitscreen

In splitscreen, Material node SphereMask causes Material Billboard to only be visible to first player's viewport. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8557439 ...

Vive - PIEVR 'Set World To Meters Scale'

UAnimInstance::GetInstanceTransitionTimeElapsed returning 0 in non-editor builds

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.

 "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

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 ...