Debug Console output remains on screen after closing VR Preview if "Debug in stereo layer' is enabled

UE - Platform - XR - Jan 23, 2018

Affects VR Preview in Editor Reproduced in 4.18.3 CL 3832480 and 4.19 P1 CL 3837072 ...

Moving Objects with Surface Snapping Enabled Causes Major Offset

UE - LD & Modeling - Terrain - Landscape - Aug 16, 2019

When using surface snapping objects do not move properly.  4.23 CL# 7948402, 4.24 CL# 8012457 This is a regression. ...

Crash When Enabling SSAO Smoothing with MSAA Enabled

UE - Graphics Features - Sep 12, 2019

The Editor is crashing when enabling SSAO while MSAA is enabled.  Found in 4.23 CL# 8386587 and 4.24 CL# 8569829 ...

Vive Trackpad X and Y always return 0

UE - Platform - XR - Feb 3, 2020

Platform-specific input for pad axis in 4.24 leads to missing value in VIVE. in 4.23.1 this is not reproduced. ...

Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.

UE - World Creation - Worldbuilding Tools - Aug 6, 2025

Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...

Android Crash on app launch if AdditionalPluginDirectories contains wildcards in path

UE - Platform - Mobile - Jun 23, 2017

Having wildcards in the path for AdditionalPluginDirectories causes apps on Android to crash on launch. When testing this on iOS, the app did not crash but froze at the splash screen instead. Androi ...

Divide by zero in beam update can cause editor to crash in Cascade

UE - Niagara - Sep 23, 2019

The licensee has traced the issue back to a divide by zero in  UParticleModuleTypeDataBeam2::Update. If the Target and Source are the same then the beams magnitude will be zero. When there is a Nois ...

Niagara crashes with skeletal mesh sampling in GPU system in Vulkan

UE - Niagara - Sep 17, 2019

Switching over to GPUCompute with Skeletal mesh surface sampling will crash in Vulkan. This does not occur with CPU sims or in D3D. When testing with D3D I would get the same Niagara compile warning ...

Crash On Launch When Using Leap Motion Character

UE - Platform - XR - Mar 1, 2017

The editor is crashing on launch when the Leap Motion plugin is enabled and a leap motion character is being used. This did not occur in 4.14.3. This is a regression. ...

GamePad input commands for multiplayer all send to player 1

UE - Gameplay - Input - Nov 20, 2014

When setup for multiplayer, all players are able to move around and control the camera with the analog sticks but button presses of all controllers only affect player 1. ...