Running Automation Test for Directory Watcher Causes the Editor to Crash

UE - Automation Test - Nov 2, 2015

Running an automation test for Directory Watcher for Plugins causes the editor to crash on the Simple Modify step. Occurs only in 4.10 Preview 3. Regression: This does not occur in 4.9.2, but occu ...

Light components stay visible if "Actor Hidden In Game" is checked

UE - Graphics Features - Feb 6, 2017

Light components stay visible if "Actor Hidden In Game" is checked. This issue occurs even when other components (such as a static mesh) are no longer visible. I tested with a static mesh component ...

ARCore blank black screen when showing planes [Galaxy S9+]

UE - Platform - XR - Mar 7, 2022

Checking block/fail tests for ARCore on Android. Packaging ARDebugCheck to test that planes appear on screen reveals that they do not correctly appear. Settings have been confirmed per testrail and ...

App crashes when Launching on or launching packaged project on tvOS or iOS

UE - Platform - Mobile - Aug 1, 2016

Launch on to tvOS crashes the app on the device and returns the user to the main screen. This also affects packaged projects Update Project packaged in shipping configuration launched successfully ...

ShowDebug Overlapping Text

Tools - Apr 27, 2016

Using the showdebug commands during play results in overlapping text that is difficult to read. Found in 4.11.2 binary. Reproduced in 4.10.4 binary and Main CL 2852833. Regression? No, also occ ...

Precomputed AO Mask is no longer working

UE - Graphics Features - Dec 23, 2015

Precomputed AO Mask is no longer working in 4.11 Preview 1. This is a Regression from 4.10.x where this was working as intended. I've attached a zip file with the quick test that can be dropped in ...

MoviePipeline skipped frames using Temporal Subsampling + Time Dilation

UE - Anim - Sequencer - Jun 30, 2020

The frame appears to be getting skipped entirely, but the timing for the frames on either side of them is correct, ie: if frame 10 is skipped, frame 9 and 11 still match the working case, so the ove ...

XBox Controller is not recognized if connected during play on Windows10.

UE - Gameplay - Input - May 5, 2016

If a controller is connected to a Windows 10 machine while the game is running, input from the controller is not registered by the character. ...

RootMotion Malfunctioning When Played in Lower Framerates

UE - Gameplay - Player Movement - May 2, 2016

Root Motion Animations are not functioning correctly during lower frame rates. For example, a character moving forward 2 meters at regular frame rate will move 10 meters at a lower frame rate. Regr ...

Meshes often render or flicker black in one eye on OSVR

UE - Platform - XR - May 6, 2016

Found on: //UE4/Dev-VR CL-2967563 Often, meshes will render completely black in one eye on the OSVR. This seems to affect close meshes more frequently than far away ones. Sometimes the meshes flick ...