Hair shading emits light when Lumen is enabled

UE - Graphics Features - Jun 6, 2022

This artifact does not occur when Lumen is disabled. Also, moving Roughness closer to 1 will reduce the effect. ...

Project crashes when exiting mobile preview

UE - Gameplay - May 27, 2015

User project crashes when exiting from mobile preview. Frequency: 5/5 Crashreporter: [Link Removed] ...

Sequencer: Undoing creation of a new section can call section drawing code with viewmodel tree in invalid state

UE - Anim - Sequencer - Aug 1, 2024

The Section reference in ISequencerSection::GetSectionHeight can be in the process of garbage collection during an undo of a section addition- this causes things like GetTypedOuter<UMovieSceneTrack> ...

Expose Component Replication in ActorComponent

UE - Gameplay - Aug 9, 2016

UActorComponent has hideCategories=(ComponentReplication) set in the UClass macro preventing uint32 bReplicates:1; to be set as a default setting. ...

GearVR crash with material using Fresnel or WPO on Snadragon S7

UE - Platform - Mobile - May 19, 2016

Talking with ChrisB, this has been passed to Samsung and Qualcomm for investigation with the Signal 11 crash. This only affects the Snapdragon S7 devices. ...

Setting Alpha on RigidBody node results in bone displacement

UE - Simulation - Physics - Jan 31, 2017

If the user sets the Alpha channel on the RigidBody node to something between 0 and 1, this can result in some bone displacement. ...

[CrashReport] CastChecked<UAnimBlueprint,UBlueprint>()

OLD - Anim - Jul 14, 2017

This is a common crash affecting users in 4.16. Users have not provided additional information. Source context not available ...

Set members in Slate Color for the foreground color of a combo box does not appear to change the color of the selected text

UE - Editor - UI Systems - Mar 14, 2018

When setting the foreground color through blueprints at run time for a combo box it does not appear to affect the the selected item text. ...

Per Poly Collision Not Updating

OLD - Anim - Mar 22, 2018

Per poly collision does not update/follow the mesh when the mesh is moved via Blueprint Does not occur in 4.18 ...

LODbias settings appear to have no effect when specified by GPU on android

UE - Platform - Mobile - Oct 3, 2019

When setting the LODbias via the device profile for a specific Android GPU it does not appear to have an affect on the textures when run on the device ...