Unreal Engine Issues

Postprocess material is doing blend between Parent material and it's instance

Regression: Shader compile failure with SceneDepth in mobile and PC, ES3_1

SceneTexture:SceneDepth node is not properly compiled in ES3_1. Regression? yes, It is working in 4.20.3 launcher version. This log come up with compile failure LogMaterial: Display: Missing cache ...

Fails to export a project from Revit 2019 - Cannot export the active 3D view: Object reference not set to an instance of an object

Rhino extrusions have high tessellation values after being imported with DataSmith

When importing Rhino 'Extrusions' with Datasmith results in extremely dense meshes. A simple box can end up having thousands of vertices. This issue was reported and tested in 4.21 (4.21E0). This ...

Setting the Comment Text on a comment box creates two Rename Node transactions in the Undo History

Setting the text on a comment box creates two Rename Node transactions in the Undo History This issue occurs when setting the comment text of a comment in any graph (blueprint, material, control ri ...

ScreenAlignedUVs Node with X 100% and Y 100% Breaks Infinite Hallway Effect of Portals

A SceneCaptureComponent2D is able to correctly capture the infinite hallway effect for portals. The " X 100% Y 100%" of ScreenAlignedUVs node is necessary to create the material that produces the co ...

TSoftObjectPtr does not replicate properly

Right now USoftObjectProperty does not implement NetSerializeItem so it falls back to the implementation in UObjectPropertyBase. This only works correctly if the object happens to be in memory, othe ...

Unreal Frontend crashes when loading a ue4stats file

If Unreal Frontend has been built in the Development Editor configuration, attempting to open a ue4stats file in the Profiler tab results in the Unreal Frontend crashing. The crash does not occur if ...

Sequencer Batch Rendering cannot output multiple render passes in CLI

Batch rendering still works if launched from the engine using Sequence Render Movie. However it only outputs the first CustomRenderPass argument when attempting it from a Command Line Interface. Thi ...

Duplicate Physics replication call in PhysScene_PhysX.cpp

There is a duplicated block of physics replication code in PhysScene_PhysX.cpp  https://github.com/EpicGames/UnrealEngine/blob/release/Engine/Source/Runtime/Engine/Private/PhysicsEngine/PhysScene_P ...