Unreal Engine Issues
Unreal Engine Issues
Automatic Animation Compression Results in Crash
OLD - Anim - Dec 1, 2015Using the "Automatic" option to compress animation results in crash 100% in UE4.10 but does not occur in UE4.9.2. *Regression ...
Crash when starting VREditor and then changing levels
UE - Editor - Workflow Systems - Jul 26, 2016attached video below if you are unsure of repro ...
D3D Crash applying Built Lighting in a level containing Static Foliage
UE - World Creation - Worldbuilding Tools - Foliage - Jun 20, 2017Editor session crashes applying Built Lighting in a level containing Static Foliage. Note: this crash does not occur if the Instanced Foliage Mesh has mobility set to "Movable" within the Foliage D ...
The orientation of the tangent space seems wrong with SkinCache recompute tangent enabled
UE - Graphics Features - Jan 19, 2022BoneMap thread safety crash
UE - Graphics Features - Aug 9, 2016Crash occurs in FGPUBaseSkinVertexFactory::FShaderDataType::UpdateBoneData() on RenderThread2 at the following line: check(NumBones <= MaxGPUSkinBones); The problem seems to be a race condition ...
Precomputed lighting is not saved when using Save As or Duplicate for levels
UE - Graphics Features - Sep 30, 2016Lighting is invalidated with levels that have been duplicated or Saved As. The maps that are created are immediately marked dirty and need to be resaved vs how they were in 4.12.5 where they wouldn' ...
Copying a destructible mesh in the viewport loses reference to assigned mesh in the details panel
UE - Simulation - Physics - Destruction - Nov 4, 2014BRANCH: MAIN CHANGELIST: 2346079 PLATFORM: Windows DESCRIPTION: When copying a Destructible mesh in the viewport the Destructible Mesh component will not be shown for the copied mesh. The mesh can ...
Morph Targets flicker Randomly in Slave Mesh
OLD - Anim - Oct 1, 2015When a mesh is slave to a master mesh, its morph targets will flicker when Played in Editor. This does not occure with the same assets in 4.8. This has been reported by at least two different use ...
32bit TGA Texture With Alpha Has Noticeable Artifacts On RGB Channels (DXT5)
UE - Graphics Features - Feb 17, 2017When using a 32bit tga with an alpha channel that has hard edges the compression method (DXT5) will create artifacts in the RGB channels that normally aren't there whit DXT1 compression(no alpha). ...
FBatchedElements::Draw - OrthoZoomFactor can be reset to 1.0f if Line.bScreenSpace is ever false
UE - Graphics Features - Feb 20, 2017A licensee has reported that the Draw function in BatchedElements.cpp can set the OrthoZoomFactor (not a local variable) to 1.0f if Line.bScreenSpace is ever found to be false. The line this can oc ...