Assertion When Packaging If an Actor in Level Uses Create Canvas 2D Render Target

UE - Graphics Features - Jan 23, 2019

An assertion will occur when packaging if an Actor in level uses "Create Canvas 2D Render Target"  Found in 4.20 CL# 4369336, 4.21 CL 4753647 Blocked for testing in main due to crash when placing ...

Datasmith re-import crash - UE4Editor-UnrealEd!UMaterialInstanceConstantFactoryNew::FactoryCreateNew

UE - Editor - Content Pipeline - Datasmith - Exporters - Feb 13, 2019

From user:I'm getting repeatable crashes on re-imports after I've re-worked the models a bit in Max. The workaround now is to just delete everything from Unreal and do a fresh import, but as my o ...

Vive - PIEVR 'Set World To Meters Scale'

UE - Platform - XR - Sep 4, 2019

Windowed fullscreen doesn't respect vsync settings

UE - Rendering Architecture - RHI - Oct 31, 2019

When running in windowed fullscreen mode in a standalone build r.vsync 0 is not respected and the game always runs at a locked 60fps. When the game doesn't have focus, for instance when you press Wi ...

Datasmith exporters causing problems for Github users building from source code

UE - Editor - Content Pipeline - Datasmith - Importer - Dec 19, 2019

d:\unreal\unrealengine-4.24\engine\source\programs\enterprise\datasmith\datasmithsketchupexporter\private\DatasmithSketchUpCamera.h(7): fatal error C1083: Cannot open include file: 'SketchUpAPI/geom ...

CoreSymbolication.framework fails to load on macOS 11 Big Sur

UE - Platform - Apple - Aug 20, 2020

CoreSymbolication.framework has moved, likely into the system library cache. The function, FApplePlatformSymbolication::EnableCoreSymbolication probably needs to be updated in order to accommodate.d ...

HZBOcclusion fails in split screen when using D3D11

UE - Rendering Architecture - RHI - Oct 6, 2020

r.HZBOcclusion 1 gives incorrect results with split screen on D3D11. With -d3d12 it renders correctly. It also renders correctly if the RenderDoc plugin is enabled or the editor is running with -on ...

Struct Viewer will display duplicate structs after a rename

UE - Gameplay - Blueprint Editor - Nov 3, 2020

[Image Removed] ...

Missing scale for tangent with morph target

UE - Editor - Content Pipeline - Import and Export - Nov 4, 2020

There is a bug in the fbx curve import code where we do not multiply the tangent by the scale parameter. Only the key value is currently scale. In 4.25 there was a hardcoded 0.01 scale but it was w ...