[Crash]-[Reimport] - Crash on reimporting CAD file with deleted light sources

UE - Editor - Content Pipeline - Datasmith - Importer - Jul 6, 2018

Possess functions need to be marked server-only

UE - Gameplay - Feb 23, 2015

Possess() should only work on the server, and only be callable on the server. ...

IgnoreMoveInput functions should move up from PlayerController to Controller

UE - Gameplay - Input - Nov 12, 2015

Licensee suggests moving this up from APlayerController to AController, I think this makes sense. Minimal refactoring is necessary, and will remove confusion/potential bugs from people thinking it s ...

[Quartz] Play Quantized Crashes When Played On An Audio Component Spawned With 'Persist Across Level Transition'

UE - Audio - Quartz - Jul 15, 2022

There's a crash when "Play Quantized" is used on an Audio Component that was constructed via the functions "Create Sound 2D" or "Spawn Sound 2D" when the option 'Persist Across Level Transitions' is ...

Crash when renaming AnimGraph function in AnimBP

OLD - Anim - Apr 17, 2015

When renaming the AnimGraph in an Animation Blueprint, the editor crashes after you hit enter. [Link Removed] [Link Removed] Occurs in: 4.7.5 Release CL:2503383 4.8 Main CL:2513846 ...

RotateVector Function Not Properly Rotating SkysphereTexture

UE - Graphics Features - Aug 31, 2018

RotateAroundAxis Inside the RotateVector expects a normalized vector as rotation axis input, and that vector is not normalized. Once normalized it seems to work normally. Unable to test in 4.19 due ...

Unnativized BP function fails to return a valid reference to a component when the calling BP is nativized

UE - Gameplay - Jul 5, 2019

The nativized spawner receives an invalid reference from the non nativized actor and fails silently meaning the variable doesn't get set. Additional info: This issue happens when using a pure and n ...

Character blueprint tick function does not behave properly

UE - Gameplay - Jul 2, 2015

Character tick event will continue to trigger even if Start with Tick Enable is set to false. Workaround: Setting "Set Actor Tick Enable" to false on Begin Play will prevent the tick event from t ...

Light Mixer crashes on transform context menu

UE - Editor - UI Systems - Dec 19, 2023

Originates from UDN [Link Removed] ...