Unreal Engine Issues
Unreal Engine Issues
Get Tracking State does not change in ARCore
UE - Platform - XR - Oct 17, 2019On android, there is no way to detect when an image is not tracked by the camera anymore. Once the image is tracked, the tracking status of the image is always "tracking". According to GoogleARCore ...
Native struct types that declare one or more non-UPROPERTY fields are not initialized with the default value from a modified Blueprint CDO.
UE - Gameplay - Blueprint - Feb 12, 2020Dynamically-spawned instances of a Blueprint class go through an optimized property initialization pass (see UBlueprintGeneratedClass::BuildCustomPropertyListForPostConstruction() and InitProperties ...
ProRes and Avid DNx do not use tokens in their file names when rendering from Sequencer
UE - Anim - Sequencer - Feb 12, 2020The plugin media formats do not account for tokens in the filename. ...
Ambient Occlusion decals ignore Receive Decals setting on meshes
UE - Graphics Features - Feb 13, 2020Adding an ambient occlusion decal material to a decal affects objects with "Receives Decal" disabled. Tested in: 4.23.1 CL#9631420 4.25 CL#11341939 ...
Modified a mesh used as complex collision mesh does not affect the collision in the editor
UE - Editor - Feb 17, 2020When a user changes any properties (for calling PostEditChangeProperty ) in parent static mesh or restarting the editor, the modified mesh is applied correctly. how to reproduce: [Link Removed] ...
Normals and Tangents cannot be load correctly when re-importing Skeletal Mesh
UE - Editor - Content Pipeline - Import and Export - Jan 31, 2020This problem started in 4.24 and not in 4.23. CL 9114926 seems to be relevant. ...
PIE crash due to non-empty ULevel::DestroyedReplicatedStaticActors array
UE - Networking - Feb 17, 2020It's possible to end up in a state where some entries were saved in ULevel::DestroyedReplicatedStaticActors, which causes a crash when PIE starts up. I'm not sure how entries could end up in this l ...
Using Collision in Niagara without an Update Age module will prevent any particles from spawning
UE - Niagara - Feb 17, 2020Using Collision without Update Age will prevent any particles from spawning. In Collision Query and Response DataInstance.Alive has a default value of false. If no other module sets DataInstance.Ali ...
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 ...