Foliage mode instances not rendered until mouse up

UE - World Creation - Worldbuilding Tools - Foliage - Oct 30, 2024

New foliage is not visible when applying the paint tool and only shows up after the painting ends. ...

Sequencer: Skeletal Animation with montages can cause blending issues when re-playing the same sequence on the same character

UE - Anim - Sequencer - Oct 1, 2024

The code in MovieSceneSkeletalAnimationSystem.cpp storages montage data on a per skeletal mesh component, per section basis. This (and a few other bits of logic) cause issues for external UDN user w ...

Issues with global invalidation (MoviePlayer)

UE - Editor - UI Systems - Sep 27, 2024

It was mentioned that the global invalidation should be toggled off during loading screen and subsequently restore the state after. A request was made for this dynamic behavior be part of the engin ...

Exposure compensation curves do not blend

UE - Graphics Features - Jun 26, 2024

Requested in https://udn.unrealengine.com/s/question/0D5QP000006g7Px0AI/auto-exposure-various Previously discussed in https://udn.unrealengine.com/s/question/0D52L00004vKeNJSA0/blending-postproce ...

Allowed ranges for the different Exposure Settings in PPV are not consistent

UE - Graphics Features - Jun 26, 2024

https://udn.unrealengine.com/s/question/0D5QP000006g7Px0AI/auto-exposure-various Caused by inconsistent usage of ClampMin/ClampMax/UIMin/UIMax in Scene.h Ranges should also be modified based on ...

Dynamic (transient) material instance assignment lost if object spawnable

UE - Anim - Sequencer - Jun 21, 2024

Material Instance Dynamic assigned to Spawnable objects with Editor Utility Widget get reverted when hit the Save button in Sequencer. This appears to come from the Material Instance Dynamic not be ...

Strange results with HeightToNormalSmooth on Nanite meshes

UE - Rendering Architecture - Jun 3, 2024

This appears to also occur on meshes that aren't set to Enable Nanite at all.  [Image Removed] ...

Using Clip() in a material may cause the outline to be displayed incorrectly on the Editor.

UE - Graphics Features - May 3, 2024

This appears to be from an interaction between the Depth Fade Expression, clip() in a Custom Expression, WPO being enabled, and the fact that the pass that draws objects for the editor outline runs ...

DumpShaderStats doesn't output any shader data

UE - Rendering Architecture - Shaders - May 1, 2024

The DumpShaderStats console command doesn't output any shader stats because the code to calculate that information in DumpShaderStats (Shader.cpp) is commented out https://github.com/EpicGames/Unrea ...