Unreal Engine Issues
Unreal Engine Issues
Crash: Changing Material Property Overrides of Material Instance
UE - Graphics Features - Dec 14, 2016When a material has a static bool parameter AND this is overridden in a material instance, Trying to change Blend Mode or Shading Model under the Material Property Overrides crashes the editor. Thi ...
Changing ColorAndOpacity in Text using AutoKey do not create new keyframe.
UE - Anim - Sequencer - Feb 7, 2017This is not reproduced in Shadow Color section. Since ShadowColorAndOpacity is FLenearColor and ColorAndOpacity is FSlateColor, this prevents adding new keys in ColorPropertyTrackEditor.cpp FColo ...
On Released fires when holding down a button when using touch (mouse/finger not moving)
UE - Editor - UI Systems - Sep 26, 2017On Released fires when holding down a button when using touch with the mouse or finger. This happens in mobile preview as well as on devices. As a note, if he mouse is moved before the release auto ...
Impossible to reparent blueprint class that has a broken parent class when using compilation manager
UE - Gameplay - Blueprint Compiler - Dec 8, 2017Alternatively use BP_ParentClassIsMissingType in QAGame ...
Blueprint EventDispatchers unable to be reordered
UE - Gameplay - Blueprint Editor - Feb 15, 2018UI appears to support EventDispatcher reordering, however reordering does not occur. ...
Memory Leak when Debugging Blueprint
UE - Rendering Architecture - RHI - May 2, 2018RAM usage continually increases when debugger is active https://answers.unrealengine.com/questions/784443/ue-4191-memory-leak-while-using-blueprint-debugger.html ...
Sequencer:The Spawned AnimBP variable is not changed during the second play
UE - Anim - Sequencer - Dec 14, 2018The Spawned AnimBP variable is not changed during the second play. When changing Spawned AnimBP variables from Sequencer Track, the first change works correct. Second time, It can not be changed co ...
Re-opening a Level with Datasmith Animation loses hierarchy
UE - Editor - Content Pipeline - Datasmith - Importer - May 7, 2019It appears to be an issue with persistence and the sequencer. If the level is saved and reloaded without opening the sequencer all hierarchy is fineif you open the sequencer, then save the level, ...
Particles can not be displayed once they disappear in ParticleLOD
UE - Niagara - Jul 22, 2019I have attached a project to reproduce. [Link Removed] The problem is that if there are multiple emitters It seems to reproduce when all Emitter is Disable. It works well if there is one Enable. [ ...
Unable to Select Item from list in blueprints under certain conditions
UE - Editor - UI Systems - Slate - Feb 25, 2020[Image Removed] This happens with not only enums, but any combo box. Another example is the "Create Event" where you can select a matching function. This is a problem with how this slate widget ...