Packaged content hangs when relaunching on Oculus Mobile device after Closing the application

UE - Audio - Apr 9, 2019

This does not occur with some previously packaged First Person templates that were on the device still namely one from //UE4/Dev-VR 4.21.0 @CL 4277723  It also does not occur with other apps on the ...

Wrong IDE loads when Visual Studio 2019 is selected

UE - Foundation - Cpp Tools - May 22, 2019

Visual Studio 2019 does not load even when it is selected as the chosen IDE. Instead the editor loads Visual Studio 2017. If you create a new C++ class after switching the IDE and restarting the Edi ...

Game View renders Lights with Actor Hidden In Game enabled

UE - Rendering - Features - Dec 6, 2022

This is not a regression. Tested in both 4.27.2 and //UE5/Release-5.0 CL20979098 Game View renders Lights with Actor Hidden In Game enabled. Documentation states: "...the Viewport to display the sc ...

Spherecast against complex geometry is returning odd results

UE - Runtime - Simulation - Sep 19, 2023

Turning on batching of sphere casts when colliding against complex gives incorrect results. Affects debug output and vehicle wheels and body movement. The issue is with the batch query mode which ...

Local Exposure can cause large variations in PreExposure under certain conditions

UE - Rendering - Features - Sep 16, 2025

PreExposure is influenced by LocalExposure in PostProcessEyeAdaptation.cpp:1265. It appears when the scene is particularly dark and using manual exposure, the LastAverageLocalExposure can read a lar ...

Packaged projects do not render in web page using Safari 10.0

UE - Platform - Mobile - Aug 9, 2016

My Macbook Pro uses an Nvidia GeForce 750M and was on Safari 10.0 when this occurred. This did NOT occur on a Macbook Pro with the same card and using Safari 9.1.2. This did NOT occur on an iMac wi ...

User created widgets from widgets that are normally not focusable appear to break navigation when added to another widget even when focusable set to true

UE - Editor - UI Systems - Oct 28, 2016

User created widgets from widgets that are normally not focusable appear to break navigation when added to another widget even when focusable set to true Example: A widget with only a text block in ...

Crash occurs when importing attached FBX with default import settings

UE - Editor - Content Pipeline - Import and Export - Dec 22, 2016

While verifying a bug for 4.15 UE-39952 , I tried to repro in 4.14.2 and the editor crashed while attempting to import the attached FBX In 4.15, the Editor does NOT crash a window pops up stating t ...

Nativized widget with String table data crashes packaged game

UE - Gameplay - Blueprint - Jun 1, 2017

There is a crash that is occurring for packaged games that use the string tables and nativized blueprints. This issue only affects a packaged build of the game. Testing for this issue did not yield ...

values for pinch input produce very different results for same area on android device

UE - Platform - Mobile - Oct 13, 2017

Values for pinch input produce very different results for the same area on an android device. values can range from 0 to 1, or end up in the thousands, despite the pinch distance being the same. It ...