Blueprint Android app installers are named *UE4Game*.bat

UE - Platform - Mobile - Jun 4, 2018

In 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 ...

Severe ghosting on animated objects when camera stops moving in sequences when using path tracer

UE - Graphics Features - Lumen - Aug 2, 2019

Pixels seem to stop updating in the path tracer when a camera stops moving in sequence. Old color values from objects that have moved seem to still affect pixels they should not.  ...

SSGI AO not visible in Lit Viewmode

UE - Graphics Features - Dec 16, 2019

No screen space AO in lit viewmode with SSGI Confirmed in 4.25 MAIN @ CL 10730208 (but you must move camera after activiating SSGI for scene to update) ...

Custom Time Dilation has no effect on Player Camera Manager

UE - Anim - Sequencer - Jun 10, 2020

It seems like setting Custom Time Dilation on the Player Camera Manager does not affect the amount of time it takes to blend between cameras with Set View Target With Blend. ...

Geometry Collection behavior does not change when changed by BP

UE - Simulation - Physics - Destruction - May 2, 2022

Reproduced 6/6 times. This seems to affect all "Set" functions for Geometry Collection Components, such as Setting Object Type from Static to Dynamic, or changing Collision Type. ...

Cooking fails with a Nanite Landscape and 3D text asset

UE - Virtual Production - Avalanche - Sep 20, 2023

Adding a 3D text actor to a level with a Nanite landscape causes cooker to hit an assert Tested in the Following  //UE5-Release-5.3-CL-27405482 ...

GPU particles disabled on Quest

UE - Niagara - Feb 9, 2024

GPU 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] ...

In Path tracer, the Sun disk in the Twinmotion Dynamic sky does not produce the Bloom, Lens flare and Lens dirt effects.

TM - Rendering - Mar 15, 2024

Note that it works when using the old sun intensity (25) instead of the 100,000 value. Also, reducing the scattering in the sky will bring back the bloom. ...

Poor Vulkan RHIThread performance in Development builds on some Android

UE - Platform - Mobile - Dec 10, 2024

Community-attempted workaround received in [Link Removed] Correct fix submitted to 5.6 FNMain in [Link Removed] which needs integrating into 5.5.3. ...

Android ETC2 Debug Builds Crash on Startup

UE - Platform - Mobile - Sep 9, 2020

Android apps build with the debug configuration on ETC2 will crash on launch. ...