Unreal Engine Issues
Unreal Engine Issues
Investigate deprecating byte-swap during save
UE - Foundation - Core - Sep 26, 2019All major UE target platforms are little-endian. Saving packages with byte-swapping seems to have been broken for more than six years, when CL# 1495479 changed `FArchive::ByteOrderSerialize()` so th ...
UMG Widgets containing child widgets that have bound animations fail to save
UE - Editor - UI Systems - Jan 10, 2020Adding a child widget that contains a bound animation to a separate widget blueprint results in failure to save. Working in 4.22.3 Tested in: 4.22.3 CL#7053642, 4.24.1 CL#10757647, 4.25 CL#108892 ...
"Pass-By-Reference" inputs to a multicast RPC can crash
UE - Networking - Oct 6, 2021Passing a parameter by reference for an RPC does not seem to be a supported operation, and UnrealHeaderTool will already throw an error if a networked UFUNCTION includes any OutParms. However, users ...
Translucent Surface Material and Additive Particles not rendering on Metal in Shipping/Distribution
UE - Platform - Mobile - Oct 22, 2015Certain Translucent Materials with Surface Lighting Models and Additive Material based Particle Systems will not render in Shipping/Distribution configuration using Metal Rendering on an iPhone 6*. ...
Start Up Movies Are not Playing for iOS Devices when using Launch-On
UE - Platform - Mobile - Dec 9, 2016When designating 3 Intro/Start Up movies to play back to back in the Project Settings of a mobile project, the user reports that they will play as expected for Android devices, but only one movie wi ...
UMG Visibility binding resets to default after closing and reopening project first time
UE - Editor - UI Systems - Aug 31, 2017UMG Visibility binding resets to default after closing and reopening project first time. "Get Visibility" on Button click boolean toggle for widget blue print "False" return node value gets automa ...
GoogleVR layout visible if stereo is off on iOS
UE - Platform - XR - Mar 7, 2018User reported bug With iOS applications that swap from VR mode to non-stereoscopic mode, GoogleVR overlay remains on screen. This does not occur on Android devices. ...
File > Package > Desktop (Win+Mac+Linux) redirects user to the main Docs Splash page
Docs - Apr 18, 2018When attempting to use the "All Desktop" packaging functionality, in the editor, the user is redirected to the main splash page for UE Documentation: https://docs.unrealengine.com/en-us/ I do belie ...
Video files do not play in scene after LaunchOn to iOS from Windows
UE - Platform - Mobile - Sep 30, 2016While attempting LaunchOn to an iOS device, the video and audio does not play. Attempts were made using the following video formats:mp4movavi Attempts were made using the following devices:iPhone 5 ...
Engine/Extras/MayaLiveLink not provided in install directory
OLD - Anim - Nov 19, 2018According to the Maya Live Link documentation, the zip file should be provided in the engine installation. https://docs.unrealengine.com/en-us/Engine/Animation/Live-Link-Plugin/Connecting-Unreal-Eng ...