Unreal Engine Issues
Unreal Engine Issues
Preview Mesh for Skeleton/Animation can't be saved correctly
OLD - Anim - Aug 23, 2018It seems that preview meshes of Skeleton/Animation can't be saved correctly. I had changed a preview mesh and had saved it, but after reopening the project, the setting was ignored and the preview ...
BP nativization can generate an invalid path including "__TEMP_BP__"
UE - Gameplay - Blueprint Compiler - Aug 27, 2018The licensee sent us a BP that can't be nativized correctly on UDN. The nativized BP has wrong paths and causes a crash. ...
Instance Static Mesh instance doubles when upgrading from 4.18 to 4.19 or higher
UE - World Creation - Worldbuilding Tools - Foliage - Sep 4, 2018Instance Static Mesh instance doubles when upgrading from 4.18 to 4.19 or higher. According to Licensee, manual check is difficult. ...
If user set ChunkID to a higher value, UpdateManagementDatabase will be very slow
UE - Gameplay - Sep 4, 2018If user set ChunkID to a high value, the construction process of the database managed by AssetMAnager becomes very long. The cause is the following code in UChunkDependencyInfo :: BuildChunkDepende ...
Blocking Volumes don't all update after multi-edit in geometry mode
UE - LD & Modeling - Modeling Tools - BSP - Sep 6, 2016When editing multiple Blocking Volumes in geometry mode, only one Blocking Volume will properly update it's collision. This seems to just be an update issue. Moving or editing any BSP will cause t ...
HttpChunkInstaller Downloads All Chunk Without Permission
UE - Online - May 11, 2018If user sets InstallSpeed of HttpChunkInstaller to anything other than Pause, the current HttpChunkInstaller checks all Manifests and downloads all Chunks without permission. Licensee wants to begi ...
GetPackageLengthForCooking can be much larger than the actual file path length
Tools - Jul 10, 2019If the file path with the asset contains a project name, the cooking file pathlength is incorrectly increased. The following code in ContentBrowserUtils :: GetPackageLengthForCooking causes this is ...
Empty Mesh Sections with MergeActors Tool
UE - World Creation - Worldbuilding Tools - HLOD - Sep 27, 2019Map Check will output the following error, which makes no sense: SM_FourCubes_1 - 1 element(s) with zero triangles in static mesh 'SM_FourCubes' ...
Custom Primitive Data is not affected in the skeletal mesh on BP instances in the editor
UE - Rendering - Architecture - Jan 22, 2026Editing Custom Primitive Data values in the details panel of a placed BP actor with a Skeletal Mesh component does not reflect in the Editor viewport. ...
Crash on Event Begin Play with UMG Widget and 2 or More Players
UE - Editor - UI Systems - Feb 25, 2015A player with UMG widget created on BeginPlay works fine when hitting play with only 1 player, but if you set the number of player > 1 it will crash. User believes this is somewhere related with t ...