r.MobileContentScaleFactor appears to be ignored defaulting to 1 on Mobile Devices

UE - Platform - Mobile - Feb 28, 2022

r.MobileContentScaleFactor = 0 should return Native Resolution; 1 should return Standard definiton; 2 shold return an High Definition Resolution. It seems that r.MobileContentScaleFactor is being i ...

5.5.4 - Morph targets 1 frame offset

UE - Editor - Content Pipeline - Import and Export - Feb 17, 2025

Morph targets work! Yay! But found another issue. Basically import an fbx with multiple animated morph targets applied to it. The morph change shape over 1 frame and for some reason in 5.5.4, there' ...

Search results appear incorrect when using the "OR" operator in the content browser with number at the beginning

UE - Editor - Content Pipeline - Content Browser - May 1, 2018

When using the OR operator in the search bar of the content browser it appears to return wrong search results when the asset's names begin with a number. ...

Sequencer evaluation can skip events due to gaps in frame number ranges

UE - Anim - Sequencer - Dec 18, 2019

Sequencer rounds when converting time ranges to frame number ranges, which can cause one frame gaps. If an event falls on that gap, it will not be triggered.  ...

User crashes during play/save/open project in UE 4.6.1

UE - Gameplay - Blueprint - Feb 25, 2015

User reports crashing upon open, saving or playing their project in 4.6.1 in Binary. Assertion failed: TargetDelegate [Link Removed] [Line: 5407] ...

Lansdcape grass generation fails on Mac running OSX 10.10.1

UE - Platform - Mobile - May 12, 2015

Grass map heights all appear to be 0 when generating grass on a Mac running 10.10. This bug does not occur on Macs running OSX 10.9.5 Putting a breakpoint in LandscapeGrass.cpp line 476 you can se ...

Anim with rate scale other than 1.0 will not loop correctly in Sequencer when using an Anim Blueprint

UE - Anim - Sequencer - Sep 13, 2019

Animations are looped incorrectly when using an animation blueprint and a rate scale other than 1.0 in Sequencer. ...

Shader Complexity shows checkerboard screen in Android ES 3.1 render

UE - Platform - Mobile - May 10, 2022

Changing the view mode to Shader Complexity while in Android ES 3.1 preview render will show a black and grey checkerboard in the viewport.  This does not happen in UE 4.27 ...

Geometry Pen Tool Duplicates Bushes On Grid Size 1 & 5

UE - LD & Modeling - Modeling Tools - BSP - Mar 7, 2018

There is an issue occurring when creating brushes with the pen tool at grid size 5 where verticles or the brush shape itself seems to be doubled. This issue also occurs if the grid size is 1, though ...