Sequence recording in standalone crashes

UE - Anim - Sequencer - Sep 5, 2016

We use GetEditorWorldCounterpartActor in the sequence recorder which cant work in standalone builds as it relies on GEditor. The best fix would probably be to just add a guard for GEditor to GetEdit ...

Interfaces implemented and then removed from a parent BP still show a phantom reference from child BPs until they are recompiled and saved

UE - Gameplay - Blueprint Editor - Jul 15, 2020

See repro steps. The phantom references can be fixed by recompiling the child BP and saving it. Note that just loading ChildBP2 does not fix/remove the reference during compile-on-load, so it's a ...

BP child not overriding parent's mesh in Nativized builds

UE - Gameplay - Blueprint Runtime - Jan 3, 2017

The mesh on the right is a child of the one on the left, in a non-nativized cooked build it's a sphere, but in a nativized one, it's a cube. Regression: Working: UE4/Main, 4.15 CL 3233043 Broken: U ...

Blueprint Instanced Variables Data Erased

UE - Framework - Blueprint - Jan 17, 2024

Instanced variables were given a fix in response to this issue: [Link Removed] Once implemented, when the project is compiled the data from the blueprint instanced variable is removed. A recommend ...

Bugs with Material Instances and Landscape Grass

UE - World Creation - Worldbuilding Tools - Foliage - Apr 14, 2016

Need to fix the Bug: Parameters that linked to LandscapeGrassOutput in master material instance do not updates automaticaly in viewport. After parameters change you are have to modify any of your us ...

Hiding/Clearing Oculus Splash Screen has no effect

UE - Platform - XR - Jan 26, 2017

Splash screens never clear on oculus. Testing in 4.14 it seems like UOculusFunctionLibrary::HideLoadingSplashScreen() is never called, maybe still the case in newer versions? Was unable to clear a ...

DuplicateObject does not keep settings from the object duplicated

UE - Foundation - Core - UObject - Jul 24, 2017

When using DuplicateObject, some aspects of the copied object (such as component transform) are not duplicated to the copy. Regression: Yes - DuplicateObject behaved as expected in 4.15.2 Working - ...

Flight stick input is not read consistantly

UE - Gameplay - Input - Apr 3, 2017

When using a flight stick as a raw input device, GenericUSBController Button # blueprint events will sometimes not be registered when clicked. In local testing, this occurred roughly once for every ...

Crash when using automated groom import

UE - Editor - Content Pipeline - Import and Export - Jan 5, 2021

UDN customer reported that using automated groom import through Blueprint was crashing. This can probably be reproduced with a Python script using an asset import task with the automated flag set to ...

Get Hit Result Under Cursor By Channel Blocked by Hidden Actors

UE - Gameplay - May 11, 2017

Components that are hidden in game seem to be blocking hits from the Get Hit Result Under Cursor by Channel node when it's tracing Visibility. This behavior is not consistent with 4.15.2. In 4.15.2 ...