Unreal Engine Issues

The iOS app icons settings are not being used on Mac

This issue did not occur on Windows at the same CL. This was originally being tracked by [Link Removed] but after initially testing the fix for that JIRA, this particular issue persisted and it was ...

Nvidia In-Game Overlay causing FPS Issues

When the Nvidia In-game overlay is enabled it appears to cause performance issues with the editor. If the editor is open before the overlay is enabled it does not seem to cause any issues. I stumble ...

[CrashReport] UE4Editor_AIModule!FEnvQueryInstance::PrepareContext() [envqueryinstance.cpp:128]

Comment from user:Moving EQS Testing pawn with live update ...

Points on a FRuntimeFloatCurve in an instance of a Blueprint that inherits the curve from its parent are reset when reloading the level it is in.

In this situation, a FRuntimeFloatCurve UPROPERTY is stored in an Actor Component called CurveComponent. A Blueprint of MyActor (A subclass of AActor) is created and the CurveComponent is added to t ...

If the entry of State Machine of AnimBP directly connect a state which has another state machine, a crash will occur when changing parameters of AnimBP

If you directly connect a state which has another state machine to the entry of State Machine of Animation BP, a crash will occur when changing parameters. If you connect an empty State to an Entry ...

Successive Play in VR sessions are causing Editor hangs on Oculus when "Run Dedicated Server" is enabled

when playing in VR Preview with Run Dedicated Server enabled, successive PiVR sessions are causing extreme editor hangs, up to ~30 seconds This appears to be exclusive to VR ...

Expandable Area does not respect scrollbox boundaries unless set to fill

There is an issue where Expandable Area does not respect scrollbox boundaries unless set to fill. This occurs when the scrollbox is a child of another component. This issue does not appear to be a r ...

Crash Occurs When Actors are Attached Across Persistent and Sublevels When Levels are Saved

Can attach actors to each other through the use of sequencer even though actors are in different levels which leads to crashing when saving and changing levels F3DAttachTrackEditor::IsActorPickabl ...

[Rhino Reimport] - Scaling an object inside rhino and re-importing in Unreal dup staticmesh actors

DirectX Tesselation Crash

Per UDN Licensee: I have 2 crash repro when enabling DirectX12, both linked to tesselation and still present in 4.18 stock engine and easy to reproduce. Crash 1 -Start editor with DirectX12 -Cre ...