Lighting Channels do not work with Forward Shading

UE - Rendering Architecture - Materials - Mar 28, 2022

Compressed anim sequence data isn't updated immediately when a mesh is reimported

UE - Anim - Runtime - Mar 21, 2022

It seems that when reimporting a mesh that has added bones we aren't updating the compressed data within the anim sequences to account for the change in indicies of the virtual bones. If a user cal ...

Compressed anim sequence data isn't updated immediately when virtual bones are added

UE - Anim - Runtime - Mar 21, 2022

It seems that the compressed animation data within an anim sequence is not updated immediately when a virtual bone is added to a skeleton. If the user attempts to call UAnimSequence::GetBoneTransf ...

[Mac, Linux] - Sample Rate changes from imported sample rate after playing preview for imported audio asset.

UE - Audio - Mar 16, 2022

Sample Rate changes from imported sample rate after playing preview for imported audio asset. Tested this on Windows and it did NOT occur there. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ ...

Compile errors in GPU scripts aren't always reported to the Niagara Log

UE - Niagara - Mar 15, 2022

The Niagara log will not always show compilation errors for GPU particles. The errors are visible in the output log. ...

Media framework doesn't play back in DX12

UE - Media Framework - Mar 9, 2022

Assertion failed on attempt to reload edited Dataprep asset

UE - Editor - Content Pipeline - Visual Dataprep - Feb 28, 2022

Editor crashes after user tries to reload Dataprep asset after editing Filter By Actor label card in QAEnterprise project. Regression - Yes(Priority Critical), wasn't able to repro this issue in // ...

Setting a float value with the meta tag "ExposeOnSpawn = true" on spawn doesn't retain the value

UE - Gameplay - Feb 25, 2022

Float values with the meta tag expose on spawn aren't retaining their value when the value is set with a Spawn Actor node. It appears to only be floats. Maybe it has something to do with the change ...

Niagara : incorrect rendering on D3D12 when rendering a very large number of meshes

UE - Niagara - Feb 17, 2022

The input argument of DrawIndirect for Niagara meshes, which is made by ComputeShader, may be invalid. This problem does not appear with -onethread command line option. ...

Scale animation with joint orient set in fbx is broken.

UE - Editor - Content Pipeline - Import and Export - Feb 9, 2022