MAC: Crash on startup

UE - Platform - Apple - Apr 10, 2015

"MacBook pro 13 2015 with yosemite 10.10.3 just crashed after launching ue4." The problem is that the recently introduced calls to IsRHIDeviceNVIDIA occur before the Mac code sets the GRHIVendorID ...

Content Browser filters don't save their state

UE - Editor - Workflow Systems - Dec 16, 2022

Content Browser filters don't save their state anymore. This is a regression from 5.0 ...

Lock Content Browser resets when restarting the editor

UE - Editor - Workflow Systems - Jan 5, 2023

Regression: Tested in UE5/Release-5.0, the issue did not occur so this is a regression. ...

Ensure in AR Template on Android

UE - Platform - XR - Jan 5, 2023

Regression: Tested in UE5/Release-5.0, this issue did not occur so it is a regression. ...

Groom renders black through Single Water Layer materials

UE - Graphics Features - Jan 9, 2023

Regression: Tested in UE5/Release-5.0, this issue occurs so this is not a regression ...

Data Layers Outliner does not remember selections on editor restart

UE - World Creation - Worldbuilding Tools - World Partition - Jan 9, 2023

Regression: Tested in UE5/Release-5.0, this issue occurs so this is not a regression. ...

Full Body IK does not work properly when root bone has large scale

UE - Anim - Rigging - Control Rig - Jul 20, 2023

FBIK becomes extremely unstable when the root bone scale has a value other than 1. ...

Sequencer- 'Dynamic Binding' SoftObjectPtr parameters fail to resolve after reloading editor

UE - Anim - Sequencer - Aug 12, 2024

When reloading the editor and a level where a sequence has a dynamic binding with a soft object ptr parameter to an actor in the same level, the director blueprint will recompile on load of the leve ...

Launch on to HTML5 fails in browser with Expression (mp_Table) failed in LowLevelMemoryMap.h

UE - Platform - Mobile - Jun 16, 2017

I was able to repro this on both FF and Chrome. I have the latest FF 64-bit and was running into this after I deleted my intermediates, ran GenerateProjectFiles.bat, and built UE4 in VS. ...

QAGame Crashes on launch on iphone 6 (iOS 8)

UE - Platform - Mobile - Jan 16, 2017

this crash was encountered during the mobile compat for 4.15. So far, just this device has been affected. ...