Unreal Engine Issues
Unreal Engine Issues
Collision properties of a component cannot be changed in Viewport
UE - Simulation - Physics - Apr 26, 2018When using any collision preset other than QuerryOnly, the collision properties cannot be changed when the actor is in the Viewport. ...
Blueprint Actor with instance editable variables that are named with brackets cannot have their default values duplicated
UE - Gameplay - Oct 26, 2018When copying a Blueprint actor, Variables with brackets in their names don't have their values copied. IE: Creating a vector variable named "MyVector[]" This behavior also replicates with round brac ...
Scrollbox under multiple retainerboxes doesn’t scroll correctly with PIE
UE - Editor - UI Systems - Aug 14, 2019When the scrollbox as the child of multiple retainerboxes, the scroll isn't smoothing. It can see issue with PIE only. If it run with standalone (or package build) is fine. In SScrollBar::ExecuteO ...
Virtual Texturing: RuntimeVirtualTextureOutput Node Can Be Used with a Virtual Texture Domain Material
UE - Graphics Features - Jun 21, 2019When adding a RuntimeVirtualTextureOutput node to a Virtual Texture domain material, the RVT Output node overwrites any data being sent to the normal material node's output, which interferes with th ...
Vehicle tire forces applied too high
UE - Simulation - Physics - Jul 22, 2022Vehicle wheel friction values are applied too high relative to the vehicle centre of mass. They are applied at the wheels original rest position rather than the base of the current wheel location. ...
Streaming Virtual Texture UDIN V Offsetting
UE - Editor - Content Pipeline - Import and Export - Jan 31, 2024UDIN virtual textures appear to have row 0 (U coordinate [0 - 1) swapped to the other side of the texture vertically. ...
Substrate- black outline appears when using sharp contrast mask to blend slabs
UE - Graphics Features - Oct 4, 2024Substrate materials have a thin border of black pixels between slabs. These lines can be made more apparent by changing the Diffuse Albedo color of the two slabs to pure white. This will remove the ...
[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 ...
Farfield shadow in lumen scene
UE - Graphics Features - Jul 21, 2025Shadows in the Lumen Scene from Lumen's Direct Lighting do not match the world when in the Lumen Far Field. This leads to shadows where there should not be any, and missing shadows where there shou ...
After compile, spawnable actor is stuck in spawned state
UE - Anim - Sequencer - Jun 3, 2016After compile, spawnable actor is stuck in spawned state ...