Unreal Engine Issues
Unreal Engine Issues
Using the Set console command to change a value at runtime causes a crash
UE - Gameplay - Dec 9, 2015When 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 - Engine Scaling - Streaming - Merge Actor - Nov 1, 2023Message to rebuild lights does not display after static mesh position has changed
UE - Rendering - Features - Aug 28, 2024In 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, 2017Workaround: 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 - Graphics Tools - PCG - Core - Dec 17, 2024The 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 - Open File Formats - Datasmith - Exporters - Mar 7, 2025Potential 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 ...
The public header file ModelingToolsEditorModeToolkit.h exposes private module definition of ENABLE_STYLUS_SUPPORT
UE - Graphics Tools - Modeling Tools - Jan 15, 2026Crash reimporting Skeletal Mesh that has an extremely high amount of LODs
Tools - Nov 14, 2017I 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 - Engine Scaling - Streaming - Level Instances - Sep 19, 2022Using shortcut to find actor reference in level blueprint opens additional eventgraph windows in level blueprint editor
UE - Gameplay - Blueprint - Feb 24, 2016Using shortcut to find actor reference in level blueprint opens additional Eventgraph windows in level blueprint editor despite the event graph containing the reference being open already. ...