Actor references in Level Blueprint show an incorrect display name after converting the project from 4.6.1 to 4.7 Preview or 4.8

UE - Gameplay - Blueprint - Jan 26, 2015

Actor references in Level Blueprint show an incorrect display name on their nodes after converting the project from 4.6.1 to 4.7 Preview or 4.8. Reproduced in 4.7.1 Preview 4 and in Main (Promotabl ...

OSVR is affected by screen percentage Post Process volumes

UE - Platform - XR - May 6, 2016

Found on: //UE4/Dev-VR CL-2967563 Screen percentage post process volumes affect rendering on the OSVR. It also renders incorrectly when affected. The incorrect effect has been logged as [Link Remo ...

Specular Scale 0 on Light still affects Groom asset

UE - Rendering Architecture - Jul 30, 2025

When a light's Specular Scale is set to 0, the specular still affects hair / groom assets. The specular of other assets (like a shiny static mesh in the scene) is properly affected by the change.  ...

Note visibility issues in 2025.1.1

TM - Tools - Apr 25, 2025

Unable to compile script plugins against 4.16.0

UE - Foundation - Cpp Tools - UnrealBuildTool - May 24, 2017

A bug in UBT is preventing the authors of SkookumScript from submitting their 4.16 plugin to the marketplace. ...

[Interchange][gltf] Imported animation are all 1 frame long.

UE - Editor - Content Pipeline - Import and Export - Jan 27, 2025

All the imported animation only contain one frame. If the file contains in archive are imported in a gltf web viewer we can see animation are playing.  [Link Removed] [Link Removed] https://foru ...

Wire thickness settings appear to affect the wrong wires

UE - Gameplay - Blueprint Editor - Sep 28, 2017

When changing wire thickness in the editor preferences the setting appear to affect the wrong types of wires. ...

Constant Crashes on OS X 10.10.1

UE - Platform - Apple - Dec 15, 2014

User (Omri) on Mac running OS X 10.10.1. on MacBook Pro (17-inch, Early 2009 Experiencing Crash. Cannot reproduce. Crash Reporter: N/A Callstack: MachineId:1E07B9CE2F4554A7C3F421A9DD97AFB5 EpicAc ...

KiteDemo: Bookmark 1 - bird visuals and audio missing

Docs - Samples - May 3, 2017

While testing KiteDemo for 4.16 Sample Pass – //UE4/Release-4.16 CL 3420042 in Binary – I found that aside from the incredibly low FPS, some of the Bookmarked camera locations have issues. In the fi ...

Crane Yaw value affects attached Camera Rotation

UE - Anim - Sequencer - Aug 18, 2016

Crane Yaw value affects attached Camera Rotation. My expectation is based on the fact that Crane Pitch leaves the camera level ...