Loading levels imported with World Composition's Import Tiled Landscape option from a level without World Composition enabled loads landscape components a World Origin

UE - World Creation - Worldbuilding Tools - World Composition - May 6, 2020

Landscapes created with Import Tiled Landscape are loaded at the World Origin when loaded in a level without World Composition enabled. Enabling World Composition in the second level fixes this iss ...

ObjectScale returns a Cascade Mesh particle's XYZ scale as 1.0

UE - Niagara - May 13, 2020

Sampling a Cascade Mesh Particle's scale always returns XYZ as 1.0 This is a regression from UE4/Release-4.24.  This does NOT affect Niagara Mesh particles.  I've attached a Cascade (left example ...

Android does not show camera when in ARDebugCheck project

UE - Platform - XR - Sep 15, 2021

While working in the //UE5/Main - Medium Priority - Platform Sanity Pass after being packaged and then uploaded onto supported android device, the screen just shows a black background as it is not p ...

Unable to play replays with custom GameNetworkProtocolVersion set at runtime

UE - Networking - Sep 20, 2023

It seems that when comparing the custom versions for a replay (in the "operator<<" defined in ReplayTypes.cpp), the value retrieved from the FCurrentCustomVersions is not the value set at runtime, b ...

Selecting and dragging multiple tracks on Sequence window combines the tracks to one row

zComponent - Archive - Sep 29, 2023

With plural shot tracks in different rows in the sequencer window, selecting these tracks and dragging one of them (but not the bottom one) left or right will merge the rows. Please check the attach ...

Assert / crash resolving TSoftObjectPtr when exiting PIE

UE - Graphics Tools - PCG - Core - Dec 17, 2024

The main landscape actor's outer level's WorldSettings gets nullified by GC on PIE end, which leads to this problem. For some reason, this only seems to occur with the attached custom game mode : it ...

[Mootools Bug] SKP import - Mirrored groups will display with the default material in Keep Hierarchy imports

TM - Interoperability - Apr 10, 2025

Reported in SF [Link Removed] SketchUp models containing grouped elements that are mirrored will incorrectly display these elements with the default material when imported using the Keep Hierarchy ...

Material editor opens on main editor window even after it has been detached into its own window.

Tools - Apr 6, 2015

When opening a material in the material editor, there is a chance that the material editor will open and become a tab on the main editor window even if a material was already opened and detached fro ...

Vehicle physics are resolving erratically and causing random jitter/flips in the Advanced Vehicle Template

UE - Simulation - Physics - Nov 16, 2016

When a vehicle is on an uneven surface, the physics that are handling where the wheels should be placed is resolving sporadically, causing noticeable jitters and sometimes flipping. Regression?: Ye ...

Widget Component Does Not Cast Shadows From Certain Lights

UE - Editor - UI Systems - Oct 19, 2016

The widget component acts differently under different lighting types. For example it will cast a shadow if being lit by a directional light but won't otherwise. It also seems point lights affect t ...