Running Lyra with a Startup Movie causes a crash

UE - Editor - UI Systems - Slate - Jun 26, 2023

Adding a startup movie to a Lyra Starter game project will cause a crash in a packaged build.  Full callstack is attached ...

Volumetric fog flicker side screen

UE - Rendering Architecture - Nov 29, 2023

The flicker is visible in Epic scalability as well, it is just smaller on screen because the fog voxels are smaller (r.VolumetricFog.GridPixelSize). ...

Is there a particle smoke that matches the world lighting 100%?

UE - Niagara - Oct 14, 2024

Niagara particle sprites with a Translucent Material are glowing in a completely dark area. This issue is also observed with the deprecated Cascade particles. Particle brightness is also dependent ...

Nanite - Skinned Meshes not working.

UE - Graphics Features - Oct 21, 2024

The Nanite information and views from the Static Mesh Editor are not available to Nanite Skeletal Meshes in the Skeletal Mesh Editor. ...

GPU Particle Collision changes based on Normal Intensity on Colliding Surface

UE - Graphics Features - Jun 18, 2015

Increasing the intensity of a Normal Texture on a colliding surface will cause the collision of GPU particles to behave strangely, looks to be falling through floor, when you are using a Constant Ac ...

Attaching a Skeletal Mesh by setting it's Parent Socket causes the mesh to be offset and rotated

UE - Gameplay - Oct 9, 2015

Attaching a Skeletal Mesh by setting it's Parent Socket causes the mesh to be offset and rotated User Description: I still need to test using the BP you recommended. I tried again using the charac ...

Margin Variable cannot be edited while collapsed within a data table

Tools - Feb 4, 2016

If a struct has a variable of type Margin and a data table is created based on the struct, the Margin variable will not be editable while collapsed within the data table. ...

Spawn actor does not recognize changes to string/name variables

UE - Gameplay - Blueprint - Aug 28, 2015

Spawn Actor from Class does not accept new values to exposed variables that are altered upon spawn. ...

Child actors cannot be recognized as children of parent actor within parent blueprint

UE - Gameplay - Blueprint - Jul 16, 2015

Parent blueprints do not recognize child class actors as the same type as the initial parent blueprint. This makes it difficult to create a master blueprint for spawning/ai control/etc. ...

'HighResShot 2' is not taking a screenshot for a packaged project

UE - Graphics Features - Mar 19, 2015

When you attempt to take screenshot in a packaged project with the Console Command 'HighResShot 2'. This command works in editor but not in a packaged project. Issue with packaging in Main CL# 248 ...