Unreal Engine Issues

Excessive RVT page updates with Nanite and ClearCoat or Cloth shading model applied

There is an excessive number of page updates when a Nanite landscape has a runtime virtual texture material applied to it with a shading model set to ClearCoat or Cloth (instead of Default Lit). The ...

Getting Fullscreen or Windowed Resolutions doesn't fully execute on Linux

When using "Get Supported Fullscreen Resolutions" on UE when built with Vulkan, no values are printed out. This is an issue with any platform that builds UE with -vulkan, not just Linux.  In Engine ...

Actor Position Node Returns Parent Position Not Actor With Material Applied

The actor position node normally returns the position of the actor with with material applied in world space. As of 4.14 it will return the parent's position rather than the child actor's position t ...

Using a Dynamic Material Instance on a Nanite Landscape doesn't work

Nanite and mobile landscape don't have support for dynamic materials

On a landscape actor with Nanite landscape enabled, set the bUseDynamicMaterialInstance property on a landscape proxy and setup a BP to call  SetLandscapeMaterialTextureParameterValue / SetLandscape ...

Light function materials using WorldPosition do not render correctly to volumetric fog if there is more than one

There is a one-line fix for this in a shader file, see their PR on GitHub:https://github.com/EpicGames/UnrealEngine/pull/10251/files ...

Interactive changes from In-Camera VFX widgets are not transacting to nDisplay until mouse is released

InverseExposureLerp should return 1.0 when EYE_ADAPTION_DISABLED is 1

Materials using EyeAdaptationInverse may render incorrectly when debug visualizations are active.   This issue can be resolved by modifying the EyeAdaptionInverse function in EyeAdaptionCommon.us ...

Multiple Post Processing displays are not working in Content Examples - Post Processing

While going through a GPU pass, film setting in post processing isn't working as expected. This does not seem to be GPU specific The displays should resemble the images in the documentation - PPE ...

PerInstanceRandom does not work on Instanced Static Meshes spawned at runtime

PerInstanceRandom does not provide a random value when the material is being used on an Instanced Static Mesh that is spawned at runtime, the value is always the same. Regression?: Yes This did not ...