Merge Actors Merge Materials Missing in Content Browser

UE - World Creation - Worldbuilding Tools - Merge Actor - Nov 1, 2023

Project Launcher spams console with "LogStats:Warning: MetaData mismatch..."

UE - Foundation - Core - Jul 27, 2016

It doesn't appear to matter what project or template you're launching with, or what settings you use in the ProjectLauncher. There are two threads it seems to complain about as reflected in this s ...

Using the Set console command to change a value at runtime causes a crash

UE - Gameplay - Dec 9, 2015

When using the Set command to change the value of a class at runtime, the game instance will crash with an access violation. Note: This needs to be done in Standalone or a packaged version for this ...

Merge Actors Merge Materials Missing Visibility Collision

UE - World Creation - Worldbuilding Tools - Merge Actor - Nov 1, 2023

Message to rebuild lights does not display after static mesh position has changed

UE - Graphics Features - Aug 28, 2024

In a static lighting environment, moving static objects no longer marks the built lighting as invalid. This prevents the on-screen warning from appearing. Regression introduced in CL: 25964466 on / ...

"Save Current As" is not fully loading the newly-saved level

Tools - Mar 15, 2017

Workaround: Navigate to and open the newly-created level in the Content Browser prior to LaunchOn. After using the Save Current As tool, Game runs into error when trying to LaunchOn. Editor display ...

Assert / crash resolving TSoftObjectPtr when exiting PIE

UE - World Creation - Procedural 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 ...

Datasmith Export Bug with Camera Target

UE - Editor - Content Pipeline - Datasmith - Exporters - Mar 7, 2025

Potential bug was encountered when exporting vray cameras and their targets that have been path-constraint to corresponding splines. The resulting export file shows no camera targets; hence, missing ...

Crash reimporting Skeletal Mesh that has an extremely high amount of LODs

Tools - Nov 14, 2017

I have attached the project I used to repro this as well. All you should need to do is reimport twice on the untitled skeletal mesh and it should crash ...

Level instance in unloaded data layer stays loaded.

UE - World Creation - Worldbuilding Tools - Level Instances - Sep 19, 2022