Orthographic Camera Preview window does not render materials

UE - Graphics Features - Jan 17, 2015

I am using the orthographic camera preview fairly extensively for making an in-engine Tiling Texture maker. This feature is currently busted since the orthographic camera preview window is rendering ...

Tangent normals are recalculated by default on skeletal meshes with blend shapes

UE - Graphics Features - Nov 8, 2016

In 4.13 if you imported a skeletal mesh with a blendshape and run the blend shape. The normals are not recalculated. To Recalculate the normals during runtime you need to edit the Console Variables ...

SpawnActor node evaluates pure inputs twice

UE - Gameplay - Blueprint - May 9, 2017

When the node Spawn Actors from class is used with a pure input (in this case a pure function with a transform output) The result is that it get evaluated twice. In the test project provided a print ...

[CrashReport] UE4Editor_DestructibleMeshEditor!UDestructibleChunkParamsProxy::PostEditChangeProperty() [destructiblechunkparamsproxy.cpp:18]

UE - Simulation - Physics - Destruction - Sep 14, 2017

This is a somewhat common crash occurring for users in 4.17 User Descriptionsdeleted something Source Context 7 UDestructibleChunkParamsProxy::UDestructibleChunkParamsProxy(const FObjectI ...

Custom depth does not render on static meshes converted to blueprint without render custom depth option enabled

UE - Graphics Features - Sep 21, 2017

Custom depth does not render on static meshes converted to blueprint without render custom depth option enabled. This issue does not affect objects that are added as a component to a blueprint. To w ...

NvEnc API creation failed in 4.24.1 with M60 card on AWS EC2 instances.

PixelStreaming - Dec 24, 2019

i had an AWS EC2 g3.4xlarge instance(Nvidia M60 card).  I could run 4.22 packed PS application correctly. When switching to 4.24.1, I got the following error when trying to start the application wit ...

Translucent light grid injection behavior

UE - Graphics Features - Nov 15, 2024

Light injection into the Translucent Light Grid voxels does not use the correct location for clipping or attenuation. Both of these points are outside the voxel that is being updated. Light attenua ...

Shadow casting still considered for performance when light intensity set to 0.0

UE - Graphics Features - Sep 8, 2016

Shadow casting is still considered when the lighting intensity has been set to 0. This is a regression in performance from 4.12.5 where a lights intensity that was set to 0 would not be considered ...

Cyrillic user name with Windows will prevent APEX cloth apb files from importing

OLD - Anim - Jan 29, 2015

When the user name on Windows is set to cyrillic importing APEX cloth assets will fail. I'm not sure what other systems this may also affect, but adding a cloth apb asset to a skeletal mesh will cau ...

Having a [ or ] in a folder name will cause that filepath to be invalid for anything related to an .ini file

Tools - Feb 16, 2017

If a [ or ], which are used for syntax in .ini files, are included in a folder name, problems occur when that filepath is used for anything that is recorded in .ini files. The example given in the r ...