Unreal Engine Issues
Unreal Engine Issues
Auto-weld is Enabled even if the blueprint component is set to Simulate
UE - Simulation - Physics - Jan 4, 2017Auto-weld is Enabled even if the blueprint component is set to Simulate. This only effects blueprint, static mesh actors in the world still disable Auto-weld if set to Simulate. This is a Regressio ...
Details Panel Bug - Multiple external objects of same type share expansion state
UE - Editor - Workflow Systems - Oct 5, 2023This is because expansion state is saved per class, and we are displaying multiple objects of the same class at the same type. The UniqueID we add when adding these objects via 'AddExternalObject' ...
Imported animations don't import correctly when using same import settings as skeletal mesh it's based off
UE - Editor - Content Pipeline - Datasmith - Importer - Jul 10, 2019When importing an animation using the same import settings as the imported skeletal mesh it is meant for part of the mesh is rotated 90 degrees around the root. The files that were used to verify th ...
RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server
UE - Networking - Jul 1, 2015RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server. This is inconsistent with the behavior with ...
Crashes when playing Slomo on NiagaraSystem with Solo and DesiredAge.
UE - Niagara - Mar 23, 2023When Slomo 2 is used to speed up the process, TicksToProcess is greater than 1, which means that ManualTick is called several times during one loop. When playback is completed by a ManualTick in t ...
No Dynamic Shadows From Stationary Lights in Forward Shading Without Building Lighting
UE - Graphics Features - Apr 24, 2018I've observed this issue in 4.18.3 and 4.19.1. Per Licensee: So we've spotted an issue that I wanted to put on your radar with dynamic shadowed stationary lights + r.ForwardShading=1 What we're s ...
Tabbing out of exclusive fullscreen leaves the window & backbuffer in an incorrect state
UE - Editor - UI Systems - Apr 24, 2020With windows 10 there has come some new swap chains, which unfortunately messes some things with regards to fullscreen up. We've fixed a bunch in the renderer (which would downright cause crashes), ...
Niagara Oscilloscope hangs indefinitely in cooked build
UE - Audio - Dec 9, 2020Cooked games will hang on startup when using the Oscilloscope data interface due to an indefinite wait in FNiagaraSubmixListener::UnregisterFromSubmix When setting GCVarEnableAudioCommandLogging t ...
Planar Reflection with Exponential Height Fog flickers on iOS
UE - Platform - Mobile - Oct 28, 2016Planar Reflections have noticeable gaps in the reflection of the exponential height fog for the scene that will flicker as the camera moves. Attached ipa link and test project. [Link Removed] Te ...
An Actor with Run Construction Script in Sequencer set to true doesn't render out correctly with Movie Scene Capture or Move Render Queue
UE - Anim - Sequencer - Mar 31, 2022An Actor with Run Construction Script in Sequencer set to true doesn't render out correctly with Movie Scene Capture or Move Render Queue. While previewing the Sequencer the actor moves as expected. ...