Control Rig settings are not retained between editor sessions or carried into deployed game

UE - Anim - Rigging - Control Rig - Jun 10, 2020

Control Rig settings are not retained between editor sessions or carried into deployed game ...

STAT_AI_BehaviorTree_InstanceMemory is sometimes wildly inaccurate

UE - AI - Jun 10, 2020

From the UDN thread: Turns out this is caused by the way this stat was implemented for the FBehaviorTreeInstance struct: 1) You call IncMemoryStats on construct, before the struct is populated with ...

Render target size mistmatch in ShaderDrawDebug

UE - Graphics Features - Jun 9, 2020

We found a d3d debug validation assert in RDG_EVENT_NAME("ShaderDrawDebug"), with the full DLSS integration. It however also reproduces in  (4.25.1-release, dev-rendering and the plugin branch with ...

Dragging off a pin in a Blueprint Function Library function does not give the user option to make a Local Variable

UE - Gameplay - Blueprint Editor - Jun 9, 2020

When in a function in a Blueprint Function Library, dragging off a pin will not give the user the option to promote it to a local variable. You only have the option to make a global variable (which ...

Lightmass: Blocky lightmap artifacts appears on the Mesh Actor which is shadowing by a single face mesh

UE - Graphics Features - Lumen - Jun 9, 2020

Begin Map Begin Level Begin Actor Class=/Script/Engine.StaticMeshActor Name=Plane_2 Archetype=/Script/Engine.StaticMeshActor'/Script/Engine.Default__StaticMeshActor' Begin Object Class=/Script/En ...

Text 3D Component not available in Blueprints

UE - Virtual Production - Jun 8, 2020

After enabling the Text3D plugin, Text3D component is not available to add to an Actor Blueprint in 4.25. This had previously worked in 4.24.3 ...

[Groom] Very thin hair has incorrect raytraced shadow on edges

UE - Graphics Features - Lumen - Jun 8, 2020

This only happens when 1) Hair Width is very small. e.g. 0.01 in the example 2) Light has raytraced shadow and Samples Per Pixel has a value > 1. e.g. 8 in the example The problem seems to be rel ...

Incorrect conversion when using FUnitConversion::Convert

UE - Foundation - Core - Jun 5, 2020

Incorrect conversions values received and using FUnitConversion::Conversion ...

Target Gamma setting has no effect when using SceneCaptureActor which has no contribution from PostProcessInput0

UE - Graphics Features - Jun 4, 2020

Expected result is that the Target Gamma slider would apply that calculation to what's being written to it.  RT_PostProcess is a RTF RGBA8_SRGB render target being written to by a SceneCapture Acto ...