Crash on Exiting or Starting PIE with Weight Blended Landscape on ES2 Preview Level

UE - LD & Modeling - Terrain - Landscape - Oct 8, 2015

When you are in Rendering Preview Level ES2 (Mobile/HTML) and have a level which has a landscape with weight-blended layered material painted on, PIE will crash on Start of or Exit from. [Link Remo ...

Real Time Preview for Converted Vector Parameters not working

UE - Graphics Features - Dec 5, 2014

The Real Time Preview of Converted Vector Parameters from the Material Editor are not currently previewing in the level viewport without re-compiling the material. ...

Enum Variable doesn't pull the correct Default Value

UE - Gameplay - Blueprint - Aug 10, 2015

Enum Variable doesn't pull/print the correct Default Value User Description: (Blueprint) User defined enum in 4.9 getting corrupted I believe there is a severe underlying issue in 4.9 regarding u ...

Skeletal Meshes keep reference to unused Material IDs

UE - Editor - Content Pipeline - Import and Export - Sep 7, 2016

When importing a FBX with multiple materials and some of them are unused from their setup, they will still be referenced by the skeletal mesh in the Details Panel in the level editor, but in the Per ...

Input from a second gamepad is not detected until the game window is clicked with the mouse

UE - Gameplay - Input - Dec 12, 2014

In a packaged local multiplayer game, input from a second gamepad is not detected until the game window is clicked with the mouse. The first gamepad input is detected as expected. ...

Changing function return type in code does not update blueprint pin links

UE - Gameplay - Blueprint - Oct 31, 2016

When the return value of a C++ function is changed without preforming a hot reload, instances of the function node used inside a blueprint function will have their Return Value pin updated to the co ...

Distance Fields do not work with Directional Lights when using a AMD Radeon card.

UE - Graphics Features - Aug 25, 2015

Distance Field shadows do not appear to be working with those using Radeon series cards. Sample project attached DXDiag of machine that is having the issue is attached. AMD Radeon 200 series. ...

Unable to edit inherited component properties in a Blueprint if the Component type is set to None and the Blueprint is compiled

UE - Gameplay - Blueprint Editor - Mar 26, 2018

If an inherited component that uses the EditAnywhere specifier has the component type drop down set to None, the component's details can no longer be edited in the Details tab after the Blueprint is ...

Niagara mesh renderers with a volumetric material trigger a handled ensure and are invisible in the scene

UE - Niagara - Jul 29, 2020

Volumetric materials on a Niagara mesh renderer will not appear in the scene and cause a handled ensure.  ...

Anisotropy renders differently in each eye in VR

UE - Platform - XR - Jan 10, 2023

Regression: Tested in Release-5.0, this issue occurs so it is not a regression. This issue was first reported using the Automotive Materials assets, as the Anisotropy material on MI_Metal_Brushed w ...