Level Blueprint can be reparented to None, crashes Editor on Compile

UE - Gameplay - Blueprint Compiler - Jan 3, 2023

This is a Regression. Tested in //UE5/Release-5.0 CL 20979098 - "None" is not an option for the parent class and the "Reset this Property" is not initially there. ...

Blueprint actors can not be casted until they have been opened after migration or being upgraded to a more recent engine version

UE - Gameplay - Blueprint - Jan 5, 2023

This is not a regression tested in //UE5/Release-5.0 CL20979098 After migrating an asset from an older engine version or upgrading a project to newer version Blueprints carried over can not be cast ...

Cannot set FVector values in a "Make Struct" node in Blueprint

UE - Gameplay - May 9, 2019

When trying to use any "Make Struct" node that uses vector values, the values typed into FVector fields will reset to 0. This is a regression from 4.21.2 (CL-4753647). This reported and tested in ...

[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::GetQueryData() [d3d11query.cpp:111]

UE - Graphics Features - Apr 12, 2018

One comment from user in crash group:checking out using source control 107 bool bGPUAlive = GDynamicRHI->CheckGpuHeartbeat(); 108 if (!bGPUAlive) 109 { 110 ***** ...

Cannot negatively scale objects in editor with scaling widget

Tools - Mar 18, 2015

Objects do not react well to negative scaling with the scaling widget. Once an object hits 0 then pushes into negative values it begins stuttering between small float values until the user stops goi ...

ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced

UE - Rendering Architecture - Materials - Apr 16, 2024

ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced (e.g. RegisterIndex of the texture is [3] or [7]) because FMeshRenderer::RenderMaterialTexCoordScales() use ...

Spline points deleted after movement

UE - Editor - Workflow Systems - Sep 6, 2019

Spline points are deleted from the Spline component after adding them in Python and then moving them in the scene. Tested in 4.21.2 (CL - 4753647) 4.22.3 (CL - 7053647), 4.23.0 (CL - 8386587), 4.24 ...

Unable to copy tracks from UMG animation to another animation

UE - Anim - Sequencer - Jan 27, 2023

In UE5.0 it was possible to paste Tracks from one Animation to another, but from UE5.1 this fails with the message "Can't paste section. No selected tracks to paste sections onto". The attached pro ...

Moving assets in the Editor fails to fixup references causing the project to generate errors

Tools - Mar 30, 2020

Moving assets in the Editor is very unreliable. References may or may not be fixed up. No direct error is presented or a warning about problems. Any moves of the gameinstance, string table or certai ...

High Resolution Screenshot in Orthographic Unlit Mode Does not Capture Correctly

UE - Graphics Features - Jun 3, 2015

When taking a high res screenshot of an object in orthographic view in 'Unlit' mode, the object size in pixel is the same no matter the resolution multiplier. For instance if you set it to 10.0 th ...