When the Transform of InstancedStaticMesh is updated, the Random Seed value of PerInstanceRandom is updated.

UE - Graphics Features - Oct 18, 2017

When updating Transform of InstancedStaticMesh by UpdateInstanceTransform, PerInstanceRandom used in Material is updated. With 4.16 does not update the RandomSeed value. ...

Set members in Slate Color for the foreground color of a combo box does not appear to change the color of the selected text

UE - Editor - UI Systems - Mar 14, 2018

When setting the foreground color through blueprints at run time for a combo box it does not appear to affect the the selected item text. ...

Scene Capture 2D: additive mode not working in 4.19

UE - Graphics Features - Apr 20, 2018

Additive Composite Mode is not behaving as expected in 4.19 User reports that Composite mode is also affected. ...

LODbias settings appear to have no effect when specified by GPU on android

UE - Platform - Mobile - Oct 3, 2019

When setting the LODbias via the device profile for a specific Android GPU it does not appear to have an affect on the textures when run on the device ...

MaxDrawDistance set by CullDistanceVolume is lost on saving sublevel

UE - World Creation - Worldbuilding Tools - Feb 21, 2025

The UpdateCullDistanceVolumes behavior when saving was changed by CL-36588597. Only CullDistanceVolumes in the same sublevel can affect Max Draw Distance. ...

Crash upon launching packaged game with nativized blueprints that include Add Child Actor Component node with a class already set

UE - Gameplay - Blueprint - Jun 14, 2017

When using the Add Child Actor Component node with a class set on the node with Blueprint Nativization enabled, the packaged game crashes upon launch. A workaround for this is to leave the class bla ...

ES2 Fallback Fails on Nougat Devices that do not support Vulkan

UE - Platform - Mobile - Aug 28, 2016

Discovered this while doing RC candidate testing for 4.13 Works fine in all other use cases: Nougat devices that support Vulkan Marshmallow devices that support Vulkan Marshmallow devices that don' ...

Spatialization is inaccurate on iOS/tvOS

UE - Audio - May 9, 2017

Also occurs in 4.16 Tested on iPhone6S+_4982 OS: 10.2.1 and tvOS 10.2 ...

Crash clicking on the Reload button in the Modules window

UE - Foundation - Core - Jun 5, 2017

Editor is crashing when clicking on the reload button within the modules window of the editor. This also occurs in 4.16 so not a regression. ...

Undo rename of Anim Curve in Anim Curves tab duplicates that curve

OLD - Anim - Jun 12, 2017

Undoing the renaming of an Anim Curve in the Anim Curve tab causes the curve to be duplicated. Not a regression from 4.16.2. ...