"Override Game Mode" only works with "Use Separate Process" enabled

UE - Anim - Sequencer - Jul 13, 2016

Override Game Mode only works when Using Separate Process ...

MaterialInterface is not exported and therefore it's functions are not accessible

UE - Graphics Features - Jun 9, 2015

MaterialInterface which is a base class for other classes (such as UMaterialInstanceDynamic) is not being exported which causes compiler errors when a user attempts to access the functions of this c ...

Access None with Event Hit to get Physical Material type

UE - Gameplay - Feb 13, 2015

When trying to get a hit result from physical material using a event hit node there will be a access none error caused in the log. This is the exact error presented: Error Accessed None 'CallFunc_B ...

Opening Floating Editor Window Locks Camera to Upward Position

Tools - Jan 19, 2016

Using the shortcut "Ctrl + E" to open the static mesh editor in it's own floating window results in the camera locking in the upward position in the Main Viewport (*not* the viewport of the Static M ...

[CrashReport] UE4Editor_LandscapeEditor!TSharedPtr<SWidget,0>::ToSharedRef() [sharedpointer.h:794]

UE - LD & Modeling - Terrain - Landscape - Jul 13, 2017

This is a common crash affecting users in 4.16. Additional information is not currently available. User DescriptionsAt the time I was using the landspace sculpt tool with fairly normal settings. ...

[CrashReport] UE4Editor_Persona!TSharedPtr<IEditableSkeleton,0>::ToSharedRef() [sharedpointer.h:794]

OLD - Anim - Jul 13, 2017

This is a common crash affecting users in 4.16. User DescriptionsHit undo a bunch of times after re-opening a skeletal mesh where I was trying out painting cloth max distances. Source Context ...

Grandchild actor with IsEditorOnly enabled is duplicated during save the level.

UE - Gameplay - Components - Dec 6, 2019

IsEditorOnly is not reflected in grandchild actor when parent/child/grandchild are constructed with ChildActorComponent. This causes the issue that actor will increase incorrect when save the level. ...

Volumetric Lightmaps Persist When Opening Different Level

UE - Graphics Features - Lumen - Feb 24, 2020

When moving between levels with built lighting volumetric light maps persists between levels. Workaround: Load the same level twice. Found in 4.24.2 CL#11100242 Reproduced in 4.26 Main CL#11574810 ...

A hidden dedicated server is launched when playing as client

UE - Networking - Jul 15, 2020

When we play in editor with the Play Net Mode set to Play as Client, a hidden dedicated server is launched. Previously in 4.24 the dedicated server would always launch with a visible command window. ...

Pasting timeline components into another actor and then choosing "cancel" on fix self context function references results in a broken state

UE - Framework - Components - Sep 13, 2021

upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue was reproduced. Regression - No ...