Resolution appears incorrect when using Windows Mixed reality Simulator

UE - Platform - XR - Feb 4, 2019

Resolution appears incorrect when using Windows Mixed reality Simulator. It appears to only take up around 1/4 the available screen space. ...

Overridden functions in Child Blueprints cannot be converted to/from pure functions

UE - Gameplay - Blueprint - Jun 27, 2015

Overridden functions in Child Blueprints cannot be converted to/from pure functions. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2601051) ...

Editor delay on end simulation in 4.14

Tools - Nov 16, 2016

When stopping PIE Selected Viewport or Simulate Mode there is now a 1 to 2 second delay that did not occur in previous versions of the Engine. Regression: Did not occur in UE4.13 or earlier ...

C++ Event Dispatchers target pin cannot be set to actor references

UE - Gameplay - Blueprint - Nov 13, 2014

When connecting C++ created event dispatcher, the Target node will not accept reference to other actors. This is happening in 4.6 and Main but is working as intended in 4.5.1 ...

Startup movies using FDefaultGameMoviePlayer are not skippable using keyboard or gamepad

Media Framework - Oct 13, 2016

There are a few separate issues with user input plumbing that prevent keypresses from getting to FDefaultGameMoviePlayer during a startup video 1) In FDefaultGameMoviePlayer::WaitForMovieToFinish() ...

Low Frequency Crash when rendering a movie in Sequencer

UE - Anim - Sequencer - Feb 10, 2017

Note This is a low frequency 1/3 times attempted. I could not accurately reproduce this crash. Based on crash reporter, this never happened in 4.14 so this is a regression ...

InstancedStaticMesh instances fail to render on a mobile device

UE - Graphics Features - Nov 13, 2014

When a project with an InstancedStaticMesh is used in a level, the static mesh is failing to render on a mobile device Tested on a nexus 5 and an iPad air OS 8.1 ...

GTAO console command minor issues

UE - Graphics Features - Oct 18, 2024

The following ambient occlusion console commands have issues: r.AmbientOcclusion.Compute ? The help text state it only works console but it also works on PC and likely other platforms. r.GTAO.Use ...

SweepComponent fails against non-root bodies of skeletal mesh component in PhysX

UE - Simulation - Physics - Apr 6, 2021

UDN - https://udn.unrealengine.com/s/question/0D52L00005H9X5XSAV/sweepcomponent-never-returns-a-valid-hit-against-skeletal-meshes-when-using-physx?fromCase=1 ...

Shadows Replicated to Second Player while in Multiplayer PIE using Single Process

UE - Graphics Features - Jun 27, 2016

When running multiplayer PIE in the Third Person Example project, if player one is shadowed, the second player also becomes shadowed. This almost seems expected as it is being run as a single proce ...