Unreal Engine Issues
Unreal Engine Issues
Disabling bLerpUVs in Nanite Settings of Static Mesh causes texture warping in clusters
UE - Graphics Features - Nanite - Jan 21, 2025The licensee has identified a potential fix by changing if( Settings.bLerpUVs ) to if( Settings.bLerpUVs || UVIndex == 0 ) On line 389 of NaniteBuilder\Private\Cluster.cpp in UE 5.5 ...
ChaosCacheManager is not reproducing Trailing Events
UE - Simulation - Physics - Mar 28, 2025ChaosCacheManager (CCM) is not reproducing Trailing Events. Particles set to track Trailing Events correctly follow the position of the trailing event when the Geometry Collection (GC) is physically ...
Generate all Bodies on Selected Bones Does Not Generate Single Convex Hulls Uniformly
UE - Simulation - Physics - May 12, 2022Occurs 5/5 Times Regression does not occur in //UE4/Release-4.27.2 @ CL 18319896 When 'Generating All Bodies' on a bone the single convex hull does not generate uniformly. ...
Plugin dependencies causing RI parameter initialization failures (UDN)
UE - Niagara - Oct 6, 2023Error on some Niagara emitters using the WindForce module: LogNiagaraEditor: Error: Invalid input type found while attempting initialize new rapid iteration parameters. Function Node: /Game/FX/Expl ...
ChaosCacheManager is not recording the Observed GeometryCollections NotifyBreak states between level loading and will default to false if changed from Record to Play
UE - Simulation - Physics - Mar 28, 2025ChaosCacheManager (CCM) is not recording the Observed GeometryCollections (GC) NotifyBreak states between level loading and will default to false if changed from Record to Play. AChaosCacheManager ...
Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position
UE - Anim - Sequencer - Mar 28, 2025A Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position. The licensee has encountered a particular s ...
New VR-Basic level triggers Metal validation layer assertion
UE - Platform - Apple - Mar 16, 2020This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...
Modifying Notify Properties no longer updates the NotifyName in Blueprints with custom GetNotifyName function.
UE - Anim - Gameplay - Feb 13, 2025If after placing a notify on an anim sequence timeline you modify a property that is used in the GetNotifyName function of a blueprint notify in engine version previous to 5.5 (5.4.3 for example) th ...
Duplicating a folder in World Oultiner only duplicates the first actor in the folder
Tools - Nov 11, 2016Duplicating a folder in World Oultiner only duplicates the first actor in the folder Regression (no) issue (does) occur in 4.12.5 ...
Ensure When Pasting Timeline Node that was Previously Connected to a Node into a Function
UE - Gameplay - Blueprint - Nov 4, 2016An ensure is occurring when pasting a timeline that was once connected to a node into a function in blueprint. Regression: No, this also occurs in 4.12.5. ...