Using FObjectFinder outside of the constructor causes crash

UE - Foundation - Core - May 19, 2015

If FObjectFinder is used in a function other than the constructor, which should not be done, it causes a crash. ...

A static object using 'Complex as simple' collision will not collide with a dynamic object that is simulating physics

UE - Simulation - Physics - May 20, 2015

If a static object has 'Use Complex collision as simple' set as its collision type, it'll collide with a player but will not collide with objects that are dynamically simulating physics. ...

Print String node will stop printing to the screen if PIE is exited while Gameplay Debugger is active

UE - Gameplay - Feb 15, 2017

Print String node will stop printing to the screen if PIE is exited while Gameplay Debugger is active. Restarting the editor fixes the issue. ...

Major performance drop with instanced meshes since PhysX 3.4 upgrade

UE - Simulation - Physics - Mar 15, 2017

Major performance drop with instanced meshes since PhysX 3.4 upgrade Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) For me, my results were: 4.8 through 4.13 No Collision - ...

Date Time node to Time span node returns inconsistent values

UE - Gameplay - Blueprint Editor - May 5, 2017

When subtracting two date time sets to find the time span between them, the results are inconsistent. The results given give the total number of the unit measured for the time elapsed were as others ...

Exporting Landscape Heightmap using Copy/Paste Tool produces Pixelated results

UE - LD & Modeling - Terrain - Landscape - Jul 6, 2017

When exporting a .raw file heightmap using the Copy/Paste tool, the file produced has a greyscale and pixelated result. ...

Importing FBX creates new materials when using the search materials import setting

UE - Editor - Content Pipeline - Import and Export - Nov 1, 2017

There is an issue when importing FBX that creates new materials when using the search materials import setting. Instead of being able to use the material that is in the Base Material name, the textu ...

'Skip Assigning Gamepad to Player 1' routes MotionController input to non-vr player

UE - Gameplay - Input - Jan 4, 2020

Motion controller inputs get routed to non-vr player when 'Skip Assigning Gamepad to Player 1' is enabled. ...

Deleting a material layer from the stack reverts other layers' overridden parameters to default

UE - Graphics Features - Feb 5, 2021

It appears as though parameters for downstream material layers are reverted to their default values and override states when an upstream material layer is deleted. ...

The indirect lighting is black on mobile with sublevels

UE - Graphics Features - Apr 28, 2022