Landscape Grass scale not applied when min and max are same value

UE - World Creation - Worldbuilding Tools - Foliage - Feb 13, 2020

If min and max scale are the same in a LandscapeGrassType asset, scale will not be applied. Confirmed in 4.25 MAIN @ CL 11318998 ...

SampleCurve And SampleColorCurve Nodes Missing In Niagara Module Scripts

UE - Niagara - Mar 19, 2020

In a Niagara Module Script the "Sample Curve" and "Sample Color Curve" nodes cannot be found. They were findable in 4.24 prior to 4.24.3. This seems related to this ticket. Found in 4.24.3 CL#11590 ...

Rendering a custom render pass will render the viewport.

UE - Anim - Sequencer - Mar 1, 2021

If close the "Sequencer" window while leaving the "Render Movie Settings" window open, and then click the "Capture Movie" button, you will capture the movie from the perspective of the CameraCuts tr ...

"Navmesh needs to be rebuilt" error message while running a Listen Server and Client

UE - AI - Navigation - Mar 1, 2022

Navmeshes produce a "Navmesh Needs to be rebuilt" error while running a Listen Server and a Client. ...

[Device Swap] - Ensure when connecting a controller or USB audio device while audio is playing in PIE

UE - Audio - Mar 11, 2022

Ensure when swapping to a newly connected USB audio device.  {no format} Ensure condition failed: Cache.Contains(DeviceIdName) [\build++UE5\Sync\Engine\Source\Runtime\Windows\AudioMixerXAudio2\P ...

Incorrect keying when a Transform Origin is applied

UE - Anim - Sequencer - Mar 28, 2023

See steps to repro. Our key recomposition algorithms need to take into consideration the Transform Origin manipulations. ...

Blueprints might get corrupted after inheriting multiple times.

UE - Framework - Blueprint - May 17, 2024

Blueprints might get into a corrupted state when they are inherited for a big number of times. Starting from a C++ class, if you then create a BlueprintClass from the C++ class, and keep creating ne ...

Blueprint compiler doesn't always initialize struct consts correctly

UE - Framework - Blueprint Compiler - May 1, 2025

Blueprints currently don't support unsigned 64 bit ints, but they do support signed 64 bits. If a Blueprint uses a native struct variable that contains a uint64 property, it incorrectly assigns that ...

Static meshes viewed in the static mesh editor in orthographic side view are becoming white after a couple of seconds when quality preset is maximum.

UE - Rendering Architecture - Jun 18, 2025

Context: Orthographic views are used to have a 2D view of a 3D object providing precise control over object placement and alignment. This can be used for projects like isometric games and architectu ...