SkeletalMesh editor: Make static mesh mess the LOD 1 plus material slot

UE - Editor - Content Pipeline - Import and Export - Jun 28, 2024

Curve Table Editor's "Add Key" functionality does not work and appears to not be implemented..

UE - Editor - Workflow Systems - Aug 5, 2024

Creating a new Curve Table asset, and then trying to use the right-click menu "Add Key" option does not do anything. FRealCurveModel still has the function, but it is left intentionally empty despit ...

Sequencer Conditions crash - GarbageCollectionVerification

UE - Anim - Sequencer - Apr 3, 2025

Encountered a crash during the garbage collection phase when using sequencer conditions with subsequence tracks. Specifically, objects appear to break the "Disregard for GC" assumptions. ...

Structured log automated decimal number tests fail in languages / cultures that use commas instead of periods

UE - Foundation - Jul 17, 2025

The following Localisation Tests in "Engine\Source\Runtime\Core\Tests\Logging\StructuredLogFormatTest.cpp:275" TestLoc(LOCTEXT("Float", " {Float} "), ANSITEXTVIEW(R"(128.25)")); TestLoc(LOCTEXT ...

Building lighting fails on Linux without Internet connection

UE - Platform - Linux - Jul 6, 2015

Attempting to build lighting will stay at 0% and eventually fail if there is not internet connection for the computer. ...

Setting struct variable to CurveTableRowHandle crashes editor

Tools - Sep 9, 2015

Editor immediately crashes if a variable is set to type Curve Table Row Handle within a structure. Frequency: 2/2 Crashreporter: N/A ...

Setting World to Meters in the World Settings to a large number will cause the console to show incorrectly in VR

UE - Platform - XR - Jan 4, 2016

If the User changes the "World to Meters" setting in the World Settings this will cause the console to appear offset when brought up in VR. Note: the number used was 3600 ...

Running traces consecutively sometimes register incorrect hits

UE - Gameplay - Apr 6, 2015

If two line traces are run one right after the other to the same end point but different start locations, at times the second trace will incorrectly register hitting other objects though the trace l ...

Open a level that contains instanced meshes (with built lighting) will crash the editor

UE - Graphics Features - Mar 19, 2015

Open a level that contains instanced meshes will crash the editor. Per the users description, the level must have had lighting built and then another level loaded or the editor restarted. Once the ...

FXmlFile asserts on valid empty XML documents

Tools - May 5, 2016

Code asserts because it assumes that a self closing node is within another node or has another node left in the doc to parse ...