Unreal Engine Issues
Unreal Engine Issues
Lumen temporal flicker after leaving Editor open for 3+ days
UE - Graphics Features - Lumen - Nov 18, 2024Lumen GI has temporal flickering/noise after running the Editor for 3+ days. ...
BakedSourceTexture missing from Sprite in packaged game
UE - Gameplay - Paper2D - Nov 15, 2024The UPaperSprite::BakedSourceTexture will be nullptr in a packaged game if the sprite is not referenced by the UGameInstance. The attached sample project demonstrates this scenario. ...
Material attribute layers issue with texture sample and VT lookups
UE - Rendering Architecture - Materials - Nov 14, 2024When using material attribute layers in a material layer setup, there is a potential discrepancy in the number of VT Lookups presented in the material instance's Platform Stats. When the same textur ...
External Actors can hold stale references to Blueprint classes as edited instance properties
UE - World Creation - Worldbuilding Tools - Nov 14, 2024When a component is removed from a class that exists as an instance with external actors enabled, a deleted BP component on an actor will remain referenced by the instance. Disabling External Actor ...
Skeletal Mesh Customizable Object Node does not warn of changes to mesh sections.
UE - Anim - Mutable - Nov 12, 2024When reimporting meshes with changes to their material sections, specifically additions, there is no indication that there will be an issue on output of a generated mesh. Ideally, we can watch for a ...
After changing SupportedAgent settings, old Recast nav mesh actor is not deleted when saving map with External Actors (OFPA) enabled
UE - AI - Navigation - Nov 8, 2024Context Recast lets you configure multiple agent types in Project Settings > Navigation System > Supported Agents. When agents have unique settings such as agent radius, building a nav mesh results ...
External objects added through customization have incorrect behaviour with EditConditionHides
UE - Editor - Workflow Systems - Nov 7, 2024Copy-paste the TestCode.h and TestCode.cpp into a module Activate the customization in the StartupModule() function ``` FPropertyEditorModule& PropertyModule = FModuleManager::LoadModuleChecked<FPro ...
Crash when IK Anim Node is used in post process blueprint.
UE - Anim - Rigging - Retargeting - Nov 5, 2024If an IK Anim node is used in a post-process animation blueprint when that post-process blueprint is active in persona. It will crash attempting to get dynamically created goal components from an ac ...
Frustum culling provides inconsistent results causing particles to render even when the bounds are out of view.
UE - Niagara - Rendering - Nov 5, 2024When the camera is just outside of the box bounds and it is angled directly away from it , it will start rendering the particles again (as determined by stat GPU differences) despite being out of vi ...
Optimization: CharacterMovementComponent doesn't need overlap check for combining moves for stationary characters
UE - Gameplay - Player Movement - Nov 4, 2024The overlap checks are used to see if we can warp back to the previous position to combine network moves to longer moves, but making sure we wouldn't put the character in penetration when rolling ba ...