Collision Problems on Meshes with Collision Complexity Setting UseComplexAsSimple

UE - Simulation - Physics - Dec 20, 2018

Collision does not appear to work properly on a static mesh that is set up with UseComplexCollisionAsSimple. ...

Nested component subobject visualization and defaults editing is not working properly.

UE - Gameplay - Components - Jul 28, 2016

Currently it is only partially possible to edit nested component subobjects, but not in a way that's consistent with how top-level component subobjects are edited (both Blueprints and IWCE). This is ...

Network Prediction plugin: dispossessing a client pawn results in repeated sim input

UE - Gameplay - Apr 1, 2022

After dispossessing an NP-simulated pawn, it appears that the last frame of input is used for the continued simulation of the pawn.   For example, a client player may be holding down continuous inp ...

Cannot Include VoiceInterface.h Without First Including OnlineSubsystem.h

UE - Networking - Nov 30, 2016

Including VoiceInterface.h causes compiling to fail until you include OnlineSubsystem.h in the same file. This is not expected because VoiceInterface.h is part of the OnlineSubsystem module which ...

Inherited Skeletal Mesh Components do not work for Mapping Control Rig Component

UE - Anim - Rigging - Control Rig - Oct 12, 2020

Control Rig Component does not work with inhereited Skeletal Mesh Components. They only work with non inhereited Skeletal Mesh Components. [Link Removed] ...

Emissive material lighting falloff regression in GPU Lightmass

UE - Graphics Features - Sep 12, 2023

Forum user noted that emissive lighting being built with GPU Lightmass is in fact being built, just not around the mesh, but in a larger radius and with reduced strength compared to 5.1.1. They foun ...

Landscape renders black when baking with GPU Lightmass

UE - Graphics Features - Nov 7, 2023

A user encountered an issue with Landscapes not rendering once baked with GPU Lightmass. The user was using Ray Tracing. If using normal CPU Lightmass baking, landscape remains the same. ...

Trigger Montage Ended Event results in Unhanded Exception

OLD - Anim - May 6, 2019

TriggerMontageEndedEvent is calling RemoveAtSwap after the NotifyEnd callback which is not safe if the ActiveAninNotifyState array is modified by the callback. WorkAround:   Add a Delay node befo ...

Changing reflection capture resolution after setting preview rendering level to Android ES3.1 crashes the editor

UE - Graphics Features - Nov 20, 2019

Applying a new reflection capture resolution after changing Preview Rendering Level to Android ES3.1 results in crash. Tested in: 4.24 P3 CL#10283392    4.25CL#10303496 ...

Motion vectors not generating correctly in build

UE - Simulation - Physics - Nov 3, 2023

Also tried using “show VisualizeTemporalUpscaler” and noticed the frames that have missing motion vector data showed up as pops in the “show VisualizeReprojection” part of the visualizer. ...