Reimporting a skeletal mesh by dragging FBX to content browser crashes editor

Tools - Nov 12, 2015

Reimporting a skeletal mesh by dragging FBX to content browser crashes the editor. I suspect something is wrong with the FBX. The user reported that the data is from Blender. FBX file attached for ...

Begin and End Overlap events continuously trigger while a character moves within a collision component of a Blueprint Actor that Simulates Physics if the collision component has Auto Weld enabled

UE - Gameplay - Jun 29, 2015

Begin and End Overlap events continuously trigger while a character moves within a collision component of a Blueprint Actor that Simulates Physics if the collision component has Auto Weld enabled. ...

Reflection looks much darker on Mobile Preview vs PC

UE - Graphics Features - Jan 13, 2021

UPDATE: This is primarily due to the fact that it runs as Fullyrough on Mobile as long as a Constant 1 value was feed. Also on Mobile the FullyRough shading looks like simply remove all Highlights/R ...

Landscape Far Shadows Interfere With Distance Field Soft Shadows

UE - Graphics Features - Mar 5, 2019

Landscape far shadows are interfering with the distance field soft shadows causing a conflict, and stopping the distance field soft shadows from rendering at all. Working as expected in 4.20 CL# 43 ...

Poses Asset UI doesn't update correctly when updating from new source animation

OLD - Anim - Jul 11, 2016

If the user updates to a new Source Animation for a pose asset, while a pose was active in the viewport (weight set to 1.0), the pose will be set to 0.0 in the pose list even though it's still activ ...

Unnecessary reference remains in material instance when using StaticSwitch in material

UE - Graphics Features - Aug 7, 2019

1.Create a material that switches textures using StaticSwitch. 2.Create a material instance and toggle the switch to overwrite the texture. 3.Then return the static switch settings to their defaul ...

ImageSize in Image widget is not set when setting a texture as a brush

UE - Editor - UI Systems - UMG - Aug 1, 2023

Since FDeprecateSlateVector2D has been implemented in 5.2, the following function calls will always fail. Therefore, the ImageSize is not updated. This problem does not occur in 5.1.   void SBrus ...

IsSpatiallyLoaded = false set in actor blueprint is not respected in standalone game

UE - World Creation - Worldbuilding Tools - World Partition - Jul 1, 2024

In past compatibility detection in FWorldPartitionClassDescRegistry::PrefetchClassDescs, as AssetRegistry.TryGetAssetPackageData returns UE::AssetRegistry::EExists::Unknown in standalone games, so t ...

Directional light triggers 'too many overlapping lights' error in forward shading

UE - Graphics Features - Sep 24, 2019

The underlying reason seems to be that the stationary lights require SM channels for casting shadows  from movable objects and they are assigned channels 0,1,2 by lightmass (or somewhere along the w ...

When move selected foliage to level, Foliage can not move to level.

UE - World Creation - Worldbuilding Tools - Foliage - Jul 18, 2017

With 4.15, I can move Foliage to "Sublevel B", but I can not move it with 4.16. It seems to be affected by the update in 4.16 (New: When moving a foliage asset to a new level, you will now be prompt ...