Force Feedback appears to run in the background on some android devices

UE - Platform - Mobile - Nov 15, 2018

When forcing the app to the background the force feedback will continue on some android devices. This was reproduced on the samsung nexus 5 by clicking the home button while running force feedback i ...

InstancedStaticMesh instances fail to render on a mobile device

UE - Graphics Features - Nov 13, 2014

When a project with an InstancedStaticMesh is used in a level, the static mesh is failing to render on a mobile device Tested on a nexus 5 and an iPad air OS 8.1 ...

Blueprint based Procedural Foliage parameter changes not being reflected after resimulation

UE - World Creation - Worldbuilding Tools - Foliage - Jun 15, 2016

Frequency: 5/5 Procedural Foliage created via the Blueprint method only reflects parameter changes on resimulation if the parameter in the Blueprint has been modified then compiled. After that, you ...

Moving a Copy of an Actor from Persistent to Sublevel Dirties Persistent Level

Tools - Aug 18, 2017

Using Alt-Drag to move a copy of an actor from the persistent level to a sublevel (when the sublevel is selected as the current level in the Levels window), the persistent level is getting marked as ...

Anim Dynamic state does not reset when closing sequencer

UE - Anim - Sequencer - Apr 1, 2019

When using Anim dynamics in an animation. The actors affect stop in their current state once the sequence controlling the anim dynamics is closed. They do not appear to reset to their default state ...

Logging in Shipping Builds on Android are not saving

UE - Platform - Mobile - Oct 17, 2016

Logs aren't being saved on Android devices, even when the source files are updated to reflect output logs. However, they were working in 4.12. iOS logs are showing up in shipping. ...

Animation Montage Details Panel Closes When Attempting to Update Animation Segment Data

UE - Anim - Runtime - Apr 27, 2022

Occurs 5/5 times. Details panel in Animation Montage goes blank when fields (Start Time, End Time, Play Rate, Loop count) are clicked in to update data. This defect also occurs when clicking in th ...

LOD dithered fade-out transition does not work since UE5.4

UE - Rendering Architecture - Aug 7, 2024

When DitheredLODTransition is enabled for HierarchicalInstancedStaticMesh, in the previous version (5.1.1), dithering was applied during fade-in/fade-out, but in 5.4.3, dithering is not applied duri ...

Reduced Tessellation at edge when using world displacement

UE - Graphics Features - Jan 11, 2016

Adding a material to a mesh that is affected by world position offset has reduced tessellation around the meshes edges. This is seen when viewed in wireframe and is influenced based off of the angle ...

Two Sided Foliage doesn't receive VSM shadow with Opacity 0

UE - Graphics Features - Jan 25, 2024

Two-Sided foliage materials with an Opacity of 0 ignore any shadows cast with Virtual Shadowmaps, even in a completely sealed environment. This did not happen in UE 5.1.1 ...