Unreal Engine Issues
Unreal Engine Issues
Chaos Vehicles - Wheel physics bounds staying in spawn location on server
UE - Simulation - Physics - Jun 9, 2023Vehicle wheel shapes on the server appear to detach from the vehicle and remain at their spawn point when running a networked game. The clients physics representation is ok and as expected, i.e. whe ...
Level will crash if Landscape material layer can't find LayerInfo file.
UE - LD & Modeling - Terrain - Landscape - Sep 8, 2016Artist had problem open his level after LayerInfo file was deleted ...
Niagara mesh particles have incorrect normals when scaled
UE - Niagara - Apr 27, 2020Niagara mesh particle normals do not match those of static mesh actors. ...
Crash when selecting an action performed in a diff between two revisions in SVN
UE - Gameplay - Blueprint Editor - Jul 6, 2015Get nasty crash when performing a diff between two revisions on a BP uasset and then select a parent section that was modified, followed by a specific action performed on that section of the BP. ...
Transition ratio getter function not correct for interrupted transitions.
OLD - Anim - Apr 7, 2016The transition ratio getter simply uses ElapsedTime/Crossfade for the alpha on the transition. Normally this is sufficient, although if you blend between two states A and B such that you interrupt ...
Editor crashes when adding custom CameraComponent to BP with CameraSettings hidden
UE - Gameplay - Components - Oct 8, 2015Using the HideCategories = (CameraSettings) specifier inside a custom CameraComponent class will cause the editor to crash when the component is added to a blueprint. Restarting the editor will sho ...
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 ...
Dynamic NavMesh disappears when loading/unloading SubLevels
UE - AI - Nov 9, 2018A DynamicNavMesh within a NavMeshBoundsVolume placed in a SubLevel will disappear if loading/unloading another SubLevel that has completely nothing to do with the DynamicNavMesh. Using a setup with ...
Unreal Header Tool can sometimes fail if an Engine plugin is Enabled By Default and has the "Program" Module Type set
UE - Foundation - Core - Feb 15, 2018An Engine plugin with the Program module type and EnabledByDefault set to true can cause the Engine to fail to build successfully due to UHT failing. I was only able to reproduce this behavior using ...
Gameplay Tags with the string "None" as any of its hierarchical node identifiers behave incorrectly (because of an incomplete generated FGameplayTagContainer::ParentTags array)
UE - Gameplay - Nov 19, 2024Currently, using the string "None" as a hierarchical node identifier inside a Gameplay Tag (for example "A.B.C.None.D.E.F") is not disallowed by the engine, but results in some incorrect behaviors. ...