Enabling "ShowFlag.PhysicalMaterialMasks" causes editor crash when physical material masks aren't yet imported.

UE - Simulation - Physics - Dec 3, 2024

When there is a physical material mask asset that has been created and applied to a mesh in the level without having a texture source imported yet, and then "ShowFlag.PhysicalMaterialMasks" is enabl ...

GAS: OnTagUpdated() not called when calling SetLooseGameplayTagCount()

UE - Gameplay - Gameplay Ability System - Dec 10, 2024

Context AbilitySystemComponent has a virtual function virtual void OnTagUpdated(const FGameplayTag& Tag, bool TagExists); that gets called when a gameplay tag gets added or removed, so whenever ...

Multi-Material Skeletal Meshes assigned a Material in Details panel lose access to all other materials

OLD - Anim - Nov 21, 2014

When you assign a Material to a Multi-Material Skeletal Mesh via the Mesh's Level Viewport Details Panel, you will lose access to all the other material Elements after the first assignment. For ins ...

Packaged HTML5 games are showing up in only a quarter of the screen display

UE - Platform - Mobile - Oct 14, 2016

HTML5 projects, once packaged are not showing up properly in the browser window. They're about a quarter of the size they should be. This does not happen in launch on, only package. This does not h ...

Screenshots are mirrored when using the console command on Android devices

UE - Platform - Mobile - Feb 3, 2016

Screenshots taken from the console command are mirrored when saved. This was unable to be checked in 4.11 due to [Link Removed] or [Link Removed] ...

Blueprint drop down menu constantly flickers with negative zoom

UE - Gameplay - Blueprint - Oct 21, 2014

DESCRIPTION: The drop down menu of blueprint nodes constantly flicker at negative zoom REGRESSION: Yes Broken: 2330325 Worked: 2304027 (4.5 branching point) ...

Removing components from Landscape with simplified collision results in assertion

UE - LD & Modeling - Terrain - Landscape - May 18, 2017

Performing operations on a Landscape with simplified collision can result in an assertion ...

SkeletalMesh import do not add and assign LOD only material

UE - Editor - Content Pipeline - Import and Export - Jun 5, 2019

The skeletal mesh importer do not add and assign material for the LOD when we import them in the same file has the base LOD. ...

Metahuman eyes black on close up with ray traced skylight.

UE - Graphics Features - Lumen - Jun 17, 2021

[Interchange][FBX] Bone orientation is different between legacy and interchange import with the ForceFrontXAxis

UE - Editor - Content Pipeline - Import and Export - Jan 16, 2025

When importing FBX files using the Interchange and legacy import with Force Front X Axis enabled, the transforms of the bones in the imported FBX models will not match. ...