Unreal Engine Issues
Unreal Engine Issues
Collision Channel on Particle Systems not saving
UE - Graphics Features - Oct 21, 2014Setting the Collision Channel to anything other than World Static will reset on closing and restarting the editor. ...
Enhanced input actions with Down triggers mapped to gamepad buttons can get into a bad state after viewport focus is lost
UE - Gameplay - Input - Mar 20, 2024When we have an enhanced input input action that uses a Down trigger and is mapped to a gamepad button, for example Gamepad Face Button Left, it can get into a bad state when the game is unfocused. ...
CapsuleComponent with CCD on will push and pull any simulated physics objects when close but not in contact with the capsule
UE - Gameplay - Jul 21, 2015When using a capsule component for the character with CCD enabled there can be a force that pulls or pushes simulated meshes that are never touched by the capsule. Demonstration video attached. As ...
Removing Pose from Blend by Enum causes compile error with float defining blend time
OLD - Anim - Sep 16, 2015Removing Pose from a Blend by Enum node can cause compile errors when a float is defining all of the blend times. ...
Blueprint Library plugin set to 'Runtime' doesn't work in Standalone/packaged builds if used inside of the 1st Person Character BP
UE - Foundation - Cpp Tools - UnrealBuildTool - Nov 18, 2016Blueprint Library plugin set to 'Runtime' doesn't work in Standalone/packaged builds if used inside of the 1st Person Character BP. User Description: Blueprint libraries are still broken in the fi ...
Updating Material does not update platform stats in derived Instance
UE - Rendering Architecture - Materials - Nov 26, 2024It would seem that updating a material does not update the associated platform stats in a material instance editor, only the parameters. Can workaround by manually invoking shader compile in the ma ...
GetRefBonePose doesn't return the correct location if the mesh has been switched to another mesh of the same skeleton
OLD - Anim - Sep 10, 2015When using GetRefBonePose() on a USkeletalMesh's RefSkeleton, the given location is incorrect if the SkeletalMesh has been changed from one to another where both meshes share the same skeleton. Als ...
Destructible attached with a Physics Constraint ignores Start Awake on play
UE - Simulation - Physics - Destruction - Jul 26, 2016Destructible attached with a Physics Constraint ignores Start Awake on play The Destructible component is set to simulate physics, but on play physics is not simulated unless the destructible is to ...
"Out of video memory" crash when attempting to save many assets with source control enabled
UE - Graphics Features - Sep 25, 2020This will only repro when connected to source control ...
Static Mesh Contact Shadows still render when all LOD sections have Cast Shadows dissabled
UE - Graphics Features - Oct 30, 2025When the cast shadow checkbox is disabled for all sections that make up a static mesh the main shadow is no longer rendered but the contact shadow does not respect the instruction to disable shadows ...