Unreal Engine Issues
Unreal Engine Issues
Animation sequence's ParticleNotify doesn't fire while playing it back in Sequencer editor
UE - Anim - Sequencer - Mar 21, 2018The ParticleNotify should always be triggered while playing in sequencer editor regardless whether the spawned particle is attached or not to it's bone/sockets This stopped working since 4.15 versi ...
Crash on exit with NULL FTextRenderComponentMIDCache
Suggested fix is to relocate the Super::PreExit() call to the end of UGameEngine::PreExit() so that level streaming can be safely flushed before the MID cache is cleaned up. ...
Impossible to save assets after change in redirectors
UE - Foundation - Core - UObject - Dec 13, 2018One of our licensees pointed out this problem. I've tried all the common redirector problems (write / read permission, multiple instances of the editor, renaming the assets, running the commandle ...
Sequence recording in standalone crashes
UE - Anim - Sequencer - Sep 5, 2016We 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, 2020See 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, 2017The 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, 2024Instanced 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, 2016Need 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, 2017Splash 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, 2017When 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 - ...