Unreal Engine Issues
Unreal Engine Issues
Launching iOS build from Xcode fails after initial install
UE - Platform - Apple - Feb 21, 2024Xcode has an issue with repeated launches onto an iOS device. After the initial install, Xcode is unable to install any other builds of that same app due to some sort of codesigning issue. A work ...
ResavePackages Commandlet Consistently Crashes in 5.3 In Material PreSave
UE - Rendering Architecture - Materials - Feb 20, 2024Running the ResavePackages commandlet will consistently result in a crash. The callstack is here: Assertion failed: !IsRooted() [Link Removed] [Line: 265] UnrealEditor_Engine!UMaterialInterface::P ...
Copied Actors in World Partition Levels Maintain References to Actors They Are Copied From
UE - World Creation - Worldbuilding Tools - World Partition - Feb 19, 2024When an Actor is duplicated in the editor inside a world partition level it maintains references to the Actor it is a copy of. This can cascade, i.e. Actor C, which is a copy of Actor B which is a c ...
Nanite enabled Geometry Collection is not simulated by ChaosCache in package application
UE - Simulation - Physics - Feb 19, 2024When using ChaosCacheManager to simulate destruction of a GeometryCollection, destruction is not simulated when Nanite is ON for the GeometryCollection. In the editor, destruction is simulated rega ...
In Editor, Blueprint resources are not freed up when the Blueprint is closed
UE - Gameplay - Blueprint - Feb 16, 2024It appears that the preview scene used to render thumbnails is not destroyed after a thumbnail is rendered, even after the blueprint editor is closed and GC is run. Also found in Release-5.4, CL: 31 ...
Components added in Blueprint that want initialisation are not maintained by RerunConstructionScripts
UE - Gameplay - Blueprint - Feb 14, 2024When a native component that wants initialisation is added to a Blueprint actor in the Blueprint editor, the initialisation state of this component will not be correctly preserved by RerunConstructi ...
Niagara user parameters out of sync between the Sequencer and the Details panel
UE - Niagara - Cinematics - Feb 13, 2024User Parameters on Niagara actors do not sync in the details panel when animated with Sequencer. Scrubbing in sequencer does not update the details panel. ...
Camera Shot Blend does not work when Reverse Play
UE - Anim - Sequencer - Feb 13, 2024Camera shot blending on Sequencer does not work when Reverse Play. If we place two cameras in a scene and just blend them by Camera Shot track in sequencer, the view point is interpolated between th ...
Networked Root Motion Sources can experience desynchronisation that is not present in animation root motion under forced adjustment
UE - Gameplay - Feb 13, 2024In a networked environment with high packet loss (or high forced adjustment factor), motion applied using Root Motion Sources can desynchronise under conditions that animation root motion does not. ...
InterpCurve<T>::FindNearestOnSegment can return NaN or invalid results
UE - Foundation - Core - Feb 12, 2024We've had two reports on UDN where FInterpCurve<T>::FindNearestOnSegment returns either "NaN for the final value in the DistancesSq array during the first Newton iteration step." The licensee on on ...