Unreal Engine Issues
Unreal Engine Issues
Per Instance Random node not working in material layer
UE - Rendering Architecture - Materials - Jul 27, 2023Licensees report that the definition of the USES_PER_INSTANCE_RANDOM macro only considers it in the context of the base material. As a result Per Instance Random used only in material layers does n ...
iOS Device displays textures darker than in Editor
UE - Platform - Mobile - Jan 30, 2017The issue is that on iOS devices textures are displaying significantly darker than expected. I did a color calibration with my monitor to get a more accurate representation of the texture. I set th ...
Listen Server Character Movement appears to have no Interpolation
UE - Gameplay - Player Movement - Jun 14, 2016Listen Server Character Movement appears to have no Interpolation causing the character's movement to appear choppy ...
'Skip Assigning Gamepad to Player 1' routes MotionController input to non-vr player
UE - Gameplay - Input - Jan 4, 2020Motion controller inputs get routed to non-vr player when 'Skip Assigning Gamepad to Player 1' is enabled. ...
Using a user generated timeline in blueprint causes an exception in engine code.
UE - Gameplay - May 13, 2015This crash is caused by an exception that is thrown due to the functions inside of a blueprint based off a user-defined class that is suppose to mimic Timelines. ...
Character Movement Mode in Water Volume is affecting all clients
UE - Gameplay - Player Movement - Dec 16, 2019Strange behavior concerning Character Movement Network Replication and a Water Physics Volume. Upon entering water volume, Character Movement mode is set to swimming, however if more than one clien ...
Asset Registry GetDerivedClassNames does not work properly during editor startup
UE - Foundation - Core - Jun 25, 2020This bug comes from https://udn.unrealengine.com/questions/585499/view.html which describes a problem where a licensee is trying to use the AssetManager to scan a primary asset type that is generate ...
Crash when cooking landscape collision in world partitioned level
UE - Graphics Tools - Terrain - Landscape - Jun 24, 2022This is caused by the loss of data in the ULScapeHeightfieldCollisionComponent::CollisionHeightData. The CollisionHeightData is not marked as BULKDATA_PayloadInSeperateFile and is processed with a k ...
[StateTree] Reentering current state immediately after exiting does not reset variables on tasks with "Should State Change on Reselect"
UE - AI - StateTree - Nov 7, 2024Context State Tree Tasks have a configurable default value 'Should State Change on Reselect' which controls whether the task receives a EnterState/ExitState if completion of the current state is fo ...
Error in output log when Revision Control submits an asset for deletion with Virtual Assets enabled
UE - CoreTech - VirtualAssets - Feb 17, 2025With Virtual Assets setup in a project, when an asset is deleted and the changelist then submitted via revision control, the virtualization system will attempt to read the deleted asset. The submit ...