"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 ...

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 ...

Can't Package game with FJsonObjectConverter

It is not possible to package a game when using the FJsonObjectConverter. This Converter is part of "JsonUtilities", and whenever I'm including this to my Build.cs as follows, the packaging fails: ...

[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. ...

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. ...

Tracks that manipulate byte properties may have different (non-deterministic) results even for the same frame

UE - Anim - Sequencer - Aug 13, 2024

This issue is relatively easy to reproduce, e.g., in the timing of switching between the two types of property operations within the same track. It seems to be easy to reproduce the above problem in ...

Exporting Alembic Skeletal mesh from UE4 to FBX causes a crash

Exporting an alembic skeletal mesh that has been imported and then exporting it to FBX using the asset actions options will cause a crash. Tested with: Crash - 4.13.0 Binary CL-3106830 Crash - 4.1 ...

Spawning a bp, setting the location, and simulating physics in one string will cause the Set Actor Location node to be ignored

UE - Gameplay - May 8, 2015

Spawning a bp, setting the location, and simulating physics in one string will cause the Set Actor Location node to be ignored User Description: One is if you spawn a physics actor which has simu ...