On mouse up appears to be captured when hovering over a widget

UE - Editor - UI Systems - Apr 13, 2016

Widget appears to take focus on mouse up and this appears to have functioned differently in earlier versions ...

Mismatching Between Visual and Collision of Destructible Mesh Using Import FBX Chunk

When you use "import FBX chunk" function of destructible, Mismatching between visual and collision occur. ...

PVehicleDrive not null-ed in UWheeledVehicleMovementComponent::OnDestroyPhysicsState

UE - Simulation - Physics - Apr 30, 2019

PVehicleDrive is not null-ed during OnDestroyPhysicsState, which can lead to crashes during future function calls. ...

Incorrect normal calculation when rotating a ProceduralMeshComponent

UE - Graphics Features - Jul 19, 2021

Issue happens on meshes loaded from FBX and used to create a ProceduralMeshComponent with CreateMeshSection_LinearColor function ...

Inifinite loop in tick task manager with tick when paused and interval

UE - Gameplay - Sep 16, 2016

When processing tick when paused tick interval tick functions an infinite loop can occur. ...

Cannot move in Blueprint window on Breakpoint hit (only when 'use mouse as touch' is enabled)

UE - Editor - UI Systems - Slate - Feb 25, 2019

When triggering a breakpoint while Use Mouse for Touch is enabled the navigation functionality is lost within that Blueprint. ...

Crash when calling "Is List Item Expanded" For an Item in a list view

UE - Editor - UI Systems - Apr 18, 2019

When calling the function "Is List Item Expanded" on an object in a list view the editor will crash ...

Route gamepad to second window setting is broken

UE - Gameplay - Input - Nov 11, 2022

The RemapControllerInput function call likely needs to be added back to the game viewport client as a fix.  ...

MeshPaint textures don't work when r.VT.SplitPhysicalPoolSize is set

UE - Rendering Architecture - Mar 21, 2025

Whenever we have a non zero setting for r.VT.SplitPhysicalPoolSize, then mesh painting doesn't function correctly. ...