DOF - TAA pass ghosting when using r.DOF.TAA.CoCBilateralFilterStrength

UE - Graphics Features - Aug 7, 2025

In Unreal 5.6, there's a new CVar: r.DOF.TAA.CoCBilateralFilterStrength, which should help with ghosting artifacts introduced by TAA in DOF passes. However, it doesn't work as expected since many gh ...

[AI] Changing NavMesh Resolution in config file does not update the quantFactor of existing navmesh

UE - AI - Navigation - Aug 6, 2025

When we changed the resolution in the config, if you open a map and then look at the navmesh, the resolution it shows is the updated one from the config (assuming you haven't overridden anything) ...

DataLayer: Duplication a GroupActor is broken

UE - World Creation - Worldbuilding Tools - Data Layers - Aug 5, 2025

The result of the duplication operation is that the Actors in the new group are part of the DataLayer but the new GroupActor is not.  ...

NavMesh generation should not care for Actors that are hidden in the Editor.

UE - AI - Navigation - Aug 5, 2025

The problem is that the Cube is still loaded but "HiddenEd". It's AActor::bHiddenEdLayer property is set to true by the WorldPartition System. The Actor is dirty which makes the WP system pin it (wo ...

SSR doesn't reflect Skydome Mesh/Material correctly in Vulkan mobile preview

UE - Platform - Mobile - Aug 4, 2025

5.6[Image Removed] 5.5[Image Removed][Link Removed] ...

LiveCoding fails when DynamicDebugging is enabled

UE - Foundation - Cpp Tools - Live Coding - Aug 4, 2025

If DynamicDebugging is enabled, the output extension in the LiveCoding manifest is ".alt.dll", but the actual built DLL does not include ".alt" in its name. This mismatch causes an error. ...

SkinWeightsAsVertexMask in DeformerGraph does not respect SkinWeightProfile

UE - Anim - Rigging - Deformer - Aug 1, 2025

The WeightBuffer passed to the shader does not reflect the SkinWeightProfile. The work around is : void FOptimusSkinWeightsAsVertexMaskDataProviderProxy::GatherDispatchData(FDispatchData const& In ...

Add dll-exposure to landscape patch public functions that are meant to be used by external modules

UE - Graphics Tools - Terrain - Landscape - Jul 31, 2025

ULandscapePatchComponent::SetIsEnabled, IsEnabled, etc. are all callable from BP but not from c++. This is not convenient for licensees ...

Windowed game window can restore to the wrong size due to DPI Awareness is configured after setting initial window size

UE - Graphics Features - Jul 31, 2025

If in use, DPI Awareness is set after the initial window size is set. For a Windowed window, the settings are unable to restore the prior resolution settings on an application restart due to the pr ...

Anamorphic Squeeze Factor causes a blocky Depth of Field issue on AMD Hardware

UE - Graphics Features - Jul 30, 2025

When using the Anamorphic Squeeze Factor on a camera on AMD RDNA3 and RDNA4 hardware, blocking artefacts may be seen depending on the extent of the blur. The peripheries of the viewport appear to be ...