Ray Tracing Translucency - Sample settings have no effect

UE - Graphics Features - Lumen - Oct 15, 2020

Ray tracing translucency samples per pixel settings have no visible effect.  Reported and tested in version 4.25.3(CL 13942748). Tested and found in versions 4.25.3 and 4.26.0 Preview 2(CL 14419252 ...

Assert when tracing animations with Linked Anim Graphs

UE - Anim - Runtime - Oct 19, 2021

An assert fires related to the node index for the linked animgraph node being the same as the node index for the root node in the linked anim graph. Can be worked around by commenting out the check ...

Nvidia DLSS plugin causing crash in PIE

UE - Graphics Features - Feb 10, 2023

The editor is crashing with the 5.1 Nvidia DLSS plugin enabled after performing PIE. This issue is occurring in Binary //UE5/Release-5.1 at CL 23901901 This issue is NOT occurring in Binary //UE5/ ...

[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer

UE - Graphics Features - Aug 22, 2017

This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users. [Link Removed] [Link Removed] [Link Removed] [Link Removed ...

Uasset causes editor to crash when opened/right clicked

UE - Gameplay - Blueprint - Oct 21, 2014

Character asset will crash the editor immediately when opened or right clicked. Crash Report: 431837 ...

Ensure clicking on the floor mesh in Anim Blueprint preview

OLD - Anim - Jan 18, 2017

REGRESSION No, occurs in 4.14.3 Ensure occurs if the user clicks on the floor mesh in the Animation Blueprint viewport. ...

Mobile VR - Foliage (HISM) crash

UE - Platform - XR - Jun 7, 2019

HISMs cause mobile VR app to crash. Confirmed in 4.23 MAIN @ CL 6829265 ...

Cannot click send in CrashReportClient on Mac

UE - Foundation - Core - CrashReportClient - Oct 24, 2016

The CrashReportClient does not allow the send buttons to be clicked on a Mac. The client works fine on Windows. This works in 4.13.2. Works in: 4.13.2 - 3167898 Broken in: 4.14.0 - 3171634 WORKA ...

Character Mesh Position Offset in Online Sessions

UE - Networking - Jun 12, 2017

If a client joins a session while the host is moving their character, the character's mesh will become offset on the client. Example Video: [Link Removed] Found in 4.16.1 and reproduced in 4.17 M ...

QABP_Containers is dirtied when opened

UE - Gameplay - Blueprint Compiler - Jul 29, 2017

REGRESSION: Yes, does not occur in 4.16.3 In QAGame, the blueprint QABP_Containers is dirtied (needs to be compiled and saved) when the user opens it. This occurs every time the editor is restarte ...