Unreal Engine Issues
Unreal Engine Issues
Complex collision mesh might lose its collision in the editor
UE - LD & Modeling - Modeling Tools - Mesh Editing - Feb 18, 2020This is affected by loading order. In the case, display mesh was loaded firstly and try to build collision mesh form complex collision mesh asset. But the collision mesh didn't finished to make Ren ...
Editor Utility Widgets are reset every time another blueprint is reinstanced
Tools - Dec 16, 2019Editor utility widgets were being rebuilt on GEditor->OnBlueprintReinstanced. However, this delegate is fired when any blueprint is reinstanced, which resulted in the widget being refreshed when it ...
Foliage's Landscape Layers are not reflected when Landscape is rotated
UE - LD & Modeling - Terrain - Landscape - Feb 19, 2020This problem seems to occur because Rotation is not taken into account when calculating Weight. I have confirmed that it can be solved by calculating the rotation as follows.float ULandscapeCompone ...
UGameplayTagsManager::OnLastChanceToAddNativeTags initialization order problem with UGameplayCueManager
UE - Gameplay - Feb 21, 2020OnLastChanceToAddNativeTags is called after the call to UAbilitySystemGlobals::Get().InitGlobalData(), so native tags fail to make gameplay cue associations. ...
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 ...
Depth of fields behavior when Focus Method is None
UE - Anim - Sequencer - Feb 25, 2020Licensee reports that Depth of fields behavior when Focus Method is None is incorrect. If None, override flag is disabled and default value seems to be used.[Image Removed] Attached sample projec ...
Writing UserActivityHint in GenericPlatformCrashContext might occur buffer overrun
Analytics - Engine - Feb 28, 2020[Link Removed] ...
Niagara Ribbon Facing Mode Custom Side Vector does not work correctly
UE - Niagara - Feb 28, 2020The Custom Side Vector facing mode is no different than the Custom facing mode on Niagara ribbons. The linked UDN has more information on a potential cause, as well as a proposed fix. It looks like ...
Crash when using ComplexCollisionMesh and the ComplexCollisionMesh has more material index than drawing mesh's material index
UE - Simulation - Physics - Mar 2, 2020When using ComplexCollisionMesh of StaticMesh asset, at the time of hit, the physical material refers to the material of the drawing mesh side using the material index of the collision mesh side. T ...
Rare assertion comes up when cooking if sequencer camera track has only additive transform track
UE - Anim - Sequencer - Mar 2, 2020If a camera track has only additive transform track, some functions return uninitialized F3DTransformTrackToken made by default constructor. It causes a rare assertion. Please take a look at F3DTra ...