Ensure when changing the Mip Gen Settings in a Texture 2D Array

UE - Rendering Architecture - RHI - Jun 3, 2021

When changing the Mip Gen Settings of a Texture 2D Array, several errors such as: Error: Corrupt texture [NewTexture2DArray]! Missing bulk data for MipIndex=0 appear in the output logs and an Ensure ...

MergeActors Proxy Tool Outputs Incorrect Result with HISMC

UE - World Creation - Worldbuilding Tools - Merge Actor - Jun 1, 2021

Running the MergeActors proxy tool on an actor that has an HISMC and both its scale and rotation changed will output a proxy incorrectly. ...

Keyboard shortcuts lists Edit Asset twice

UE - Editor - Workflow Systems - May 28, 2021

Edit Asset is listed twice in the Keyboard Shortcuts for Editor Preferences This issue is occurring in //UE5/Release-5.0-EarlyAccess Binary CL 16433597 This issue is occurring in //UE4/Release-4 ...

Cine Camera Actor drop downs missing from details panel

UE - Editor - Workflow Systems - May 28, 2021

The Lens, Color Grading, Global Illumination, Reflections, and Rendering Features  sections in the Cine Camera Actor Details panel are missing their drop down buttons. This issue is occurring in // ...

Crash when user enters PIE with an Oculus device connected

UE - Platform - XR - May 26, 2021

The third person template project is crashing when someone enters PIE with an Oculus VR headset connected. This is a regression, as it does not occur in 4.26.2 CL 16018004. ...

Recently created projects using the Live Launcher do not show up in Editor Recent Projects menu

UE - Editor - Workflow Systems - May 26, 2021

Recently created Projects not showing up in editor ...

Uninitialized Critical Section exception error in Niagara/VectorVM when gflags application verifier enabled causing potential Memory Corruption

UE - Niagara - May 25, 2021

The following is posted from the user who submitted this issue: We noticed a crash happening in a certain area of our game, and the debugger showed it appeared to be attempting to free an invalid m ...

InstancedStaticMesh displaying corrupt lightmap data

UE - Graphics Features - May 17, 2021

I think I narrowed this issue down to bad UV coordinates being interpreted during the BasePassVertexShader execution applied to instancing. At this line in VertexFactoryGetInterpolantsVSToPS: flo ...

[Submix][Content Browser] - Deleting an unsaved Submix asset (any type) causes them to reappear when creating a new asset

UE - Audio - Submixes - May 13, 2021

Deleting unsaved Submix assets causes them to reappear the next time you create a new asset. Issue does not occur in 4.26, but does occur in 4.27 and 5.0. ...