Unreal Engine Issues
Unreal Engine Issues
SceneCapture2d affects Niagara GPU particles with translucency sorting enabled
UE - Niagara - May 11, 2021The issue comes from sorting being abled while having a scene capture actor. The enclosed 7z contains assets relevant to reproducing the issue. ...
Saving a level with a sequence open can affect a component's velocity
UE - Anim - Sequencer - Sep 13, 2021It looks like a component will have a velocity calculated and saved when animated by a sequence during a level save. ...
AI Perception UnregisterSource Sense == nullptr does not affect pending adds
UE - AI - Perception - Jun 15, 2022UAIPerceptionSystem::UnregisterSource according to its documentation should treat Sense == null as targeting all sources, but the code for removing pending sources does not treat Sense == null as th ...
Hide Categories in a blueprint will not affect categories in inline components
UE - Editor - Workflow Systems - Oct 12, 2022This occurs because ObjectPropertyNode.h will only check if a category is hidden for it and its subclasses. It should also be checking the parent's categories if it's an edit inline component. ...
WP level instance runtime settings affect streaming generation
UE - World Creation - Worldbuilding Tools - World Partition - Nov 16, 2023If a level instance uses different runtime settings then it can override the main WP's runtime settings with UWorldPartitionRuntimeSpatialHash::ApplyCVars Runtime settings:GRuntimeSpatialHashUseA ...
Level Streaming - Always Loaded sublevel affected by streaming volumes
UE - World Creation - Worldbuilding Tools - Mar 19, 2024The docs mention: "When a streaming Level is set to Always Loaded, it is loaded together with the persistent Level. It also becomes visible at the same time as the persistent Level. It ignores strea ...
Apex Cloth gets crazy after upgrade to 4.14
UE - Simulation - Physics - Dec 22, 2016It has no this issue if only open previous cloth assets in 4.14The issue happens only if reimporting or updating the .apx or .apb and assign to the material slotReimporting both FBX skeletalmesh file ...
Garbage Collection Causes Lag in MAC Project
UE - Foundation - Core - Sep 18, 2015User reports lag regardless of the Garbage Collection settings, EXCEPT: If the user changes settings to 3 then lag becomes more frequent (approximately every 3 seconds verses every 5 seconds.) *Wa ...
Crash when pressing Ctrl-Z after creating a blueprint function
UE - Gameplay - Blueprint - Feb 20, 2017Crash when pressing Ctrl-Z after creating a blueprint function *This is a regression: Working in 4.14.3-3249277 Not working in 4.15.0-3299760* Crash Reporter: Error message: Access violation ...
LIVE: RENDERING: Movable Mesh does not receive shadows from Static meshes in static or stationary lighting
UE - Graphics Features - Apr 30, 2014---------------------------------------------------------------------------------------------------------------------- Build: 4.1.0-2057451 Description: Movable meshes and blueprints set to cast n ...