Unreal Engine Issues
Unreal Engine Issues
Blueprint Android app installers are named *UE4Game*.bat
UE - Platform - Mobile - Jun 4, 2018In 4.19 blueprint-based apps are named after the project name, but in 4.20 they are all called Install_UE4Game-armv7-es2.bat. This also affects the Uninstall_*.bat ...
Cascade ParticleRelativeTime Outputs Constant 0 on Mobile
UE - Niagara - Aug 29, 2018Cascade ParticleRelativeTime outputs constant 0 on mobile. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, 4.21 CL# 4321618 ...
Audio: Spatialization: Set Allow Spatialization BP command is not functioning
UE - Audio - Oct 1, 2018Reported via AnswerHub on 4.19 and confirmed in Dev-Audio, the Set Allow Spatialization widget in BP appears to not be functioning - as the audio does not become spatialized in playback. ...
Disabling "Include Debug Files" for a Windows Distribution build does not exclude the debug files
UE - Foundation - Cpp Tools - Automation Tool - Nov 1, 2018The "Include Debug Files" option being disabled is not taken into account for "For Distribution" builds. The debug files are included no matter what this is set to. Regression?: Yes This did not oc ...
Input Axis Mapped to 'Pinch' no longer sends Axis Value
UE - Platform - Mobile - Feb 15, 2019Axis Event mapped to pinch no longer returns values. Working in 4.19 Confirmed on Android + iOS Confirmed in MAIN 4.23 @ CL 4961509 ...
DistanceFieldBentNormalAO does not appear to work with imposter UVs
UE - Graphics Features - Aug 26, 2021I have not entirely ruled out any issues with the imposter material in the repro, there's a chance this is related to the normal rotations, but turning off distancefields entirely does fix the issue ...
Incorrect mesh offset behavior when playing a forward start after following "Adapting Lyra animation to your UE5 game"
UE - Anim - Gameplay - Oct 13, 2022See the answer in the UDN: [Link Removed] We may want to update the blog post with a suggested fix, or wait until the automatic root offset tech is production ready. ...
GPU particles disabled on Quest
UE - Niagara - Feb 9, 2024GPU particles were disabled on Quest 1 due to a compute issue. We need to validate / fix issues for Quest 2 / Quest 3. Reported in [Link Removed] ...
Poor Vulkan RHIThread performance in Development builds on some Android
UE - Platform - Mobile - Dec 10, 2024Community-attempted workaround received in [Link Removed] Correct fix submitted to 5.6 FNMain in [Link Removed] which needs integrating into 5.5.3. ...
Crash when removing Blueprint function
UE - Gameplay - Blueprint Compiler - Apr 23, 2018The Editor crashes whenever the reference to the "DeleteThisFunction" function is deleted. ...