Virtual Texture not available in the Material Domain settings of a Material

UE - Graphics Features - Apr 13, 2021

Virtual Texture is not available as an option for the Material Domain. Even if Virtual Texture support is enabled in the project settings. Tested in //UE4/Release-4.25 @ CL 14469661 and this did ...

GPU particles are not showing on Metal / iOS

UE - Graphics Features - Feb 27, 2015

If you place a GPU particle into your project and deploy to an iOS device that supports metal, the asset will not show correctly on the device. I have attached the assets that were used to this rep ...

Setting Texture Group "UI" from Editor Utility Blueprint at Import causes a crash

UE - Texture - Nov 28, 2023

In Blueprint, binding a custom event to OnAssetPostImport and setting TextureGroup to UI causes the UE editor to crash. But if it sets to the other group like "World" or "Character", this crash does ...

Generating XCode project from .uproject fails

UE - Platform - Apple - Jun 10, 2016

Using the option Services->Generate XCode Project fails to update the XCode solutuion. This prevents source files added to the project from the directory to show up in the editor. Regression: No - ...

Crash when attempting to save Soft Object Reference

UE - Gameplay - Blueprint - Aug 13, 2018

Engine will crash when attempting to save soft object reference. "FArchive does not support FSoftObjectPtr serialization. Use FArchiveUObject instead." Also reproduced in Main CL #4247864 ...

r.SupportPointLightWholeSceneShadows Set to False Causes Crash When Trying to Place a PointLight

UE - Graphics Features - Jul 25, 2018

If you disable Support PointLightWholeSceneShadows and try to place a point light in a level the editor will crash.  Current work around is put shadows to low from engine scalability settings. Wor ...

[CrashReport]libUnrealEditor-RenderCore!FRDGEventScopeOpArray::Execute(FRDGBreadcrumbState&) [RenderGraphEvent.cpp:149]

UE - Rendering Architecture - RHI - Jun 6, 2022

Generated from CrashReporter Error Message:Assertion failed: !EnumHasAnyFlags(StencilAccess, AnyCopy) [File:./Runtime/VulkanRHI/Private/VulkanBarriers.cpp] [Line: 439] Only the Stencil being transi ...

An event with Soft Class Reference as an input that is not set causes package to fail with Nativization

UE - Gameplay - Blueprint - Jul 25, 2018

Having a custom event with an empty Soft Class Reference as an input causes packaging to fail if nativization is enabled as the event nativizes with a const TSoftClassPtr<>& and the compiler cannot ...

Motion Blur Appears Exaggerated with Planar Reflection Actor in Level and Accurate Velocities Setting Enabled

UE - Graphics Features - Jun 8, 2016

Motion blur seems exaggerated with a Planar Reflection Actor placed in the Level and the Support Accurate Velocities from Vertex Deformation setting enabled. I am assuming this is happening becaus ...

Crash when opening or editing a DataTable with a Row Structure that contains a BodyInstance

UE - Simulation - Physics - Editor - Apr 5, 2024

If a DataTable Asset is created with a Row Structure that contains a member variable of type BodyInstance, the Editor will crash when attempting to open it while it has no rows. It will also crash w ...