BulkData Async loading remains in memory

UE - Foundation - Core - Oct 26, 2016

Gil's new loading path may already walk away from this issue. But here's some thing I tested locally if we want to fix this. A simple way to fix is to simply add BulkDataAsync.Deallocate(); ResetA ...

VC Runtime not in UnrealLightmass temp directory; causing lightmass build errors

UE - Foundation - Cpp Tools - UnrealBuildTool - Oct 14, 2015

A Redistribute file for VS 2015 is needed to build lightmass, but this is not currently included with the engine. If a user does not have VS 2015 installed, lightmass will fail with this error: Un ...

Pasted material function nodes lose their connections

UE - Rendering Architecture - Materials - Dec 3, 2019

The fix for [Link Removed] caused a regression where links to material nodes no longer carry over when a group of nodes is copied and pasted ~ User submitted Image and repro steps appended. I conf ...

Code Projects do not upgrade cleanly to 4.16

UE - Foundation - Core - May 4, 2017

When using the "Switch Engine Version" option in the uproject's right click menu to change a project's engine association, switching to 4.16 and attempting to launch the project forces the project t ...

Editor Crashes when importing some FBXs with multiple Material IDs in 4.14.2

UE - Editor - Content Pipeline - Import and Export - Jan 5, 2017

This is a regression in behavior between 4.14.1 and 4.14.2! The editor will crash when importing FBX meshes that have multiple material ID assignments. If it's a single material ID it will import w ...

Different instanced materials are seen as the same material due to GUID

UE - Graphics Features - Jun 3, 2021

See licensee description of the issue: The problem appears when I have two instanced materials with the same number of parameters. I've noticed that ShaderMapId has MaterialLayersParameterIDs where ...

[VR] Camera attached to non-root scene component in BP will sink into floor after Reset to Floor Origin

UE - Platform - XR - Aug 12, 2016

When a project is first created following the Setting up UE4 to work with SteamVR docs, the Vive camera works correctly and will display at the correct height. However, if at any point during develo ...

Enum Element Names Reset on Project Upgrade

UE - Gameplay - Feb 22, 2017

Upgrading a copy of a project from 4.14 to 4.15 appears to be resetting the names of enum elements on switch on enum nodes. Opening the enum, saving it, and then restarting the project seems to res ...

[Latest Macbook Pro][Metal] blinks severely

UE - Graphics Features - Apr 6, 2017

This bug causes the screen to flicker randomly, even in simple, blank third person project templates. Even the basic starter content, the main editor area is blinking all the time if the user chooses ...

Crash on play if a BP uses a ClearInstances node followed by an AddInstance node

UE - Graphics Features - Jul 21, 2017

Crash on play if a BP manipulates a InstancedStaticMeshComponent by using a ClearInstances node followed by an AddInstance node. This is a blocker for the licensee. This is a regression: Working ...