ObjectPivotPoint does not work with instanced Nanite meshes

UE - Rendering Architecture - Materials - Nov 17, 2022

Regression: Nanite Foliage is a new feature in 5.1, so this issue is not reproduceable in 5.0. Notes about this new support can be found under Nanite Improvements in https://docs.unrealengine.com/5. ...

Fix textureLOD for PowerVR workaround

UE - Platform - Mobile - Mar 9, 2015

https://forums.unrealengine.com/showthread.php?61511-A-few-questions-in-regard-to-texture-compression-reflections-and-deployment&highlight=powervr This code was added back on 8/2013, changelist 178 ...

HLODs do not correctly work with Dynamic Material Instances

UE - World Creation - Worldbuilding Tools - HLOD - Jan 11, 2016

A licensee has reported that when using Create Material Instance Dynamic and adjusting a material at run-time is not working with HLODs. It doesn't seem supported (yet) and unchecking the "merge m ...

Details Panel - ShowOnlyInnerProperties does not work in nested structs unless the outer struct also has the metadata

UE - Editor - Workflow Systems - Nov 27, 2023

The current implementation for inlining struct members is setup in a way where we start with the outermost struct and only recurse into any child structs if it contains the ShowOnlyInnerProperties m ...

Setting the Falloff Distance of a Sound Wave/Cue to 0.0 will no longer Play Sound

UE - Audio - Jan 13, 2016

As the title suggests, whenever you add a Sound Cue or Wave to a level and set it's 'Falloff Distance' to 0.0 the sound will no long play. I have attached a project to provide a simple regression t ...

Unable to Save or Close Editor after Copying .FBX to Content Folder via Project Directory

Tools - Jul 5, 2017

The editor is not allowing users to save or close a project after an .FBX file has been copied to the project's Content directory and allowing the Content Browser to discover the change in source fi ...

Investigate deprecating byte-swap during save

UE - Foundation - Core - Sep 26, 2019

All major UE target platforms are little-endian. Saving packages with byte-swapping seems to have been broken for more than six years, when CL# 1495479 changed `FArchive::ByteOrderSerialize()` so th ...

Editor hits Asserts when trying to use debug rendering such as ShowFlag.LODColoration

UE - Rendering Architecture - RHI - Sep 22, 2020

The assert in BasePassRendering.cpp:693 fires, crashing to desktop when using this console command in the editor, in PIE, and closes out the window when playing in Standalone. Does not crash when us ...

There's no motion blur on streaming GeometryCache

UE - Editor - Content Pipeline - Datasmith - Sep 28, 2021

UDN customer mentioned: "there looks to be support for motion vectors as exported from DCC apps (for rare cases like fluid sim), but regular in-engine motion vector calculation for regular motion bl ...

"Pass-By-Reference" inputs to a multicast RPC can crash

UE - Networking - Oct 6, 2021

Passing a parameter by reference for an RPC does not seem to be a supported operation, and UnrealHeaderTool will already throw an error if a networked UFUNCTION includes any OutParms. However, users ...