Perforce Version Control visually appears to allow deletion of locked files in Content Browser

UE - Editor - Workflow Systems - Nov 23, 2022

Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to not be a regression since the error also occurs on the previous live version. This is regression ...

Baking lighting on Nanite landscape crashes the editor

UE - Graphics Features - May 23, 2024

When static lighting is baked using CPU lightmass for a nanite-enabled landscape it causes an editor crash with this assert: ...\Lightmass.cpp] [Line: 546] Attempting to add the same material twice ...

Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly

UE - Anim - Rigging - Retargeting - Feb 13, 2025

Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted.  Users have to refresh the properties that select the base pose in order to fix the ...

Changing Asset Manager settings breaks game feature scan directories

UE - Gameplay - Sep 29, 2022

The asset manager is used to scan directories on disk for different Primary Assets that can then be loaded on demand. Game feature plugins support the ability to add additional scan directories when ...

Crash When Changing to Landscape Paint Tool With a Material Function for the World Position Offset of the Landscape Material

UE - Graphics Features - Feb 25, 2019

Crash on switching to landscape/paint tab when using a landscape material that has a material function hooked onto the WorldPositionOffset. Working as expected in 4.21 CL# 4753647 Found in 4.22 CL ...

Atmospheric Fog placed in BP will not render in Standalone or Packaged Game

UE - Graphics Features - Jun 29, 2015

Atmospheric Fog when placed inside of a Blueprint, and the BP placed in level will render correctly in PIE and Editor but will not render at all in Standalone Game, Launch or Packaged Games. This i ...

Starter Content folders return to content browser after being manually deleted

Tools - May 20, 2015

If Starter Content is added to a newly created project and then the Starter Content is deleted, upon re-opening the editor the Starter Content files will return to the Content Browser. Workaround: ...

Array node input changes to pass by reference when editor is closed and re-opened

UE - Gameplay - Blueprint - Mar 23, 2015

Closing and re-opening the editor changes the input element on add array nodes to a pass by reference. Update: This also occurs on Set Array Elem node Item output. ...

Custom lighting channels ignored when object culled in stereoscopic

UE - Platform - XR - Apr 14, 2016

When a light that uses lighting channels is only visible in one view during stereoscopic rendering, it affects the default light channel instead of the assigned one in the view that it's not visible ...

Void Interface functions cannot be overridden in Blueprints

UE - Gameplay - Blueprint - Feb 10, 2015

A Blueprint Interface function that does not have an Output cannot be overridden in a Blueprint implementing that function. The function does not appear in the Interface section of the My Blueprint ...