Blueprint Billboard Components render Opaque in Editor but Translucent during PIE

UE - Graphics Features - Jan 28, 2016

Billboard components render translucent during play, but render opaque within the editor. Simply adding a billboard as a component to a new actor blueprint and placing it in the level will reproduce ...

Unable to pass TMap or TSet as a parameter for a UFUNCTION

UE - Foundation - Core - Mar 2, 2017

Attempting to pass a TMap or TSet into a UFUNCTION as a parameter causes a compilation error. Removing the UFUNCTION declaration works. Error messages:2>D:\Unreal Projects\Main\MyProject14\Source\M ...

Crash after Enabling Forward Shading on Mac and Creating/Editing Materials

UE - Graphics Features - Nov 18, 2016

A crash occurs after enabling 'Forward Shading' on Macs. The crash is triggered after creating a new material and attempting to modify that material. Regression? No, this crash also occurs in the 4 ...

Crash when user enters PIE with an Oculus device connected

UE - Platform - XR - May 26, 2021

The third person template project is crashing when someone enters PIE with an Oculus VR headset connected. This is a regression, as it does not occur in 4.26.2 CL 16018004. ...

Planar Reflection Inverted surface

UE - Graphics Features - Sep 23, 2021

Also worth noting the editor slowed significantly with the planar reflection in the scene. Regression checked in //UE4/Release-4.26.2 CL15973114 and the issue does not reproduce there ...

Cannot Create a New Project if Windows Username Contains a Special Character

Tools - Oct 26, 2015

If you have a windows username with a special character (in this case, it was ^), the launcher will not allow you to create a new project, and a warning appears indicating that the path cannot conta ...

Using "Replace variable with..." does not mark a blueprint as needing compilation

UE - Gameplay - Blueprint - Jan 4, 2016

Using "Replace variable with..." does not mark a blueprint as needing compilation. Reproduced in 4.9.2 binary, 4.10.1 binary, and Main 4.12 (CL 2813214). This is not a regression; the same bug appe ...

The Spawn Actor from Class node's dropdown menu gets cut off when zoomed out

UE - Gameplay - Blueprint - Mar 12, 2015

The Spawn Actor from Class node's dropdown menu gets cut off when zoomed out. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2473270) ...

M_Volumetric_Sky_Prototype Material has compile errors

UE - Content - Engine - Mar 17, 2020

The material "M_Volumetric_Sky_Prototype" has numerous compile errors that prevent it from being used. This was reported and tested in 4.25 Preview 2 (CL-12055273) and reproduced in 4.26 (CL-121923 ...

Delay in updating coordinates in camera manager of sequencer

UE - Anim - Sequencer - Mar 18, 2022

This problem was reproduced in 5.0 Preview 2. According to the licensee, this did not occur in 4.26. Not sure if this is related to the camera manager, but some objects are delayed at the end of s ...