Unreal Engine Issues

Crash using Custom HLSL Node with Empty Shader Directory

A crash is occurring when adding an empty shader directory when using the custom node within the material editor. This crash is preventing some users from opening their projects that use this workfl ...

Decals not captured in environment reflections

Decals are not being captured by environment reflections. Last working in 4.20.3 ...

Attaching a removed Actor in Sequencer causes a crash

This is a regression from 4.23.1 (CL-9631420) where Sequencer just displayed the re-attached binding in yellow text instead of crashing. The user suggests that the deleted actor should be removed fr ...

SetVectorParameterValueOnMaterials In Construction Script Not Working in Packaged Game

Set Vector Parameter Value on Materials doesn't seem to have an effect in packaged games if used in the construction script. Using it on Begin Play works as expected. This did not occur in 4.14.3. ...

Material Instance Parameter Values Reset When Renamed

Per Licensee: We would like to change some of their parameter names, however when renaming a parameter, its value in all of the corresponding material instances resets to the base material default ...

VCAM 2.0 - No signal on iPad from Mac OSX

UDN case link with this ticket [Link Removed] ...

Absolute World Position not returning the correct values in post process material after Temporal Upscale

Regression: "Object Position" node in Light Function materials did not compile up to UE 5.0. Starting with 5.1, it compiles but outputs garbage values

Up to UE 5.0, when the "Object Position" node is used in the Material Editor as part of a material with Light Function domain, attempting to compile the material results in the following error: "[SM ...

Material Preview for Post Process Material Does not display in Material Editor

In the Material editor for when working with a Post Process Material, the material does not appear in the preview window. Regression: This issue does not occur in 4.15.2 Binary Builds ...

Texture Sample 2D Parameter not Working with WPO on Mobile Quality ES3.1

WPO does not accept TextureParameter2D nodes when deployed to High End Mobile. The interesting thing is that all other inputs accept Param2D, so it is not entirely clear why WPO is not working. If ...