Refraction not working for some Android devices

UE - Platform - Mobile - Sep 11, 2015

Refraction does not work correctly on some Android devices however it works within the mobile previewer, and on iOS devices. Not working on: 5056_GalaxyS5 SM-G900H (ARM Mali-T628 MP6; 4.4.2) Worki ...

When used with First Loop Start Frame Offset and Use Animation Blueprint, the character will alternate between the specified animation and the reference pose

UE - Anim - Anim in Engine - Jan 30, 2023

If you use StartFrameOffset set to 1 or higher in conjunction with the Use Animation Blueprint, the character's animation will be rough towards the end of the section. Specifically, it seems that th ...

Making the viewport fullscreen while Application scale is a value other than 1.0 results in a zoomed in/out viewport

Tools - Jan 11, 2017

When using Application Scale in the editor, using F11 to make the viewport fullscreen results in an either zoomed in or zoomed out fullscreen version. Note: This same issue occurs when using a comb ...

ComponentOverlapMultiByChannel with a rotated simple collision PrimComp misses overlap vs. complex collision

UE - Simulation - Physics - Query - Nov 8, 2023

UWorld::ComponentOverlapMultiByChannel and internally, the call to FBodyInstance::OverlapMulti, misses overlaps and blocking hits when the PrimComp's (the component used to test overlaps) mesh uses ...

Clicking a button in UMG stops all tilt information

UE - Editor - UI Systems - Nov 14, 2014

Tilt information is no longer taken after clicking on a button in UMG. The tilt information goes to all zeros. That is until the user clicks else where at which point the device will then start regi ...

UKismetArrayLibrary::GenericArray_Shuffle is weighted to return some results more than others

UE - Gameplay - Aug 15, 2017

The implementation of UKismetArrayLibrary::GenericArray_Shuffle() will generate certain array shuffle results more often (up to three times as much) than others, rather than having a roughly equal c ...

Crash on device When using 'shot' console command on a iOS metal device.

UE - Platform - Mobile - Apr 27, 2015

When entering the Console command 'shot" on an iPhone 6+, the device will crash immediately. Tested on an iPhone 6+, iPhone 5 (8.1), and a Galaxy Note 10.1 Tablet. Unable to test on 2522625 becaus ...

Media Plate Actor becomes blacked out when set to Spawnable in a Level Sequencer

UE - Virtual Production - Rendering - Jun 7, 2023

saving a media plate actor set to spawnable in a level sequence causes the media plate actor to become black. there are two known workarounds 1. toggling the Media plate to Possessable, and Spawnabl ...

Camera Vector on Strata materials is rendering the wrong colors

UE - Graphics Features - Substrate - Jan 4, 2023

Regression: Strata is new in UE5/Release-5.1, but recreating this on a normal material renders the same colors, so regression is no. According to a user the material is supposed to be rendering Blu ...

Removing created event from level BP crashes editor if event is tied to object in level

UE - Gameplay - Blueprint - Feb 21, 2015

UPDATE: 2/23/2015 Crash is limited to 4.6.1, does not occur in 4.7 Preview 8 or later builds (CL#2448202). ========================================================== Editor crashes if an event is ...