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. ...

CreatePatchLibrary is broken

UE - Rendering - Architecture - Shaders - Nov 12, 2025

It seems the FEditorShaderCodeArchive.LoadExistingShaderCodeLibrary missed some functions, use FEditorShaderCodeArchive.AddShaderCodeLibraryFromDirectory instead could fix the issue. ...

Unable to name a component if the name was used on a deleted component

Tools - Jan 29, 2015

When deleted a component in the in world component editor, that name cannot be used for another component until the editor has been restarted. ...

OnDragDetected fires off with a single click for 3D widgets

UE - Editor - UI Systems - May 11, 2015

When Using the On Drag Detected on a 3D widget, the drag function fires off on a single click (No dragging necessary) ...