Garbage Collection Causes Lag in MAC Project

UE - Foundation - Core - Sep 18, 2015

User reports lag regardless of the Garbage Collection settings, EXCEPT: If the user changes settings to 3 then lag becomes more frequent (approximately every 3 seconds verses every 5 seconds.) *Wa ...

Child Objects do not Copy to the Proper Position with Paste Here Option

Tools - Jan 13, 2016

If you copy a child object with a parent object, right click, and select edit, paste here, the child object will be offset from the parent object a significant distance away. ...

Lighting data wiped if sub level is hidden while rebuilding lighting for visible levels

UE - Graphics Features - Jan 11, 2017

When building lighting now you can no longer have a hidden sub level and have it retain it's built light if it was previously built. For instance, if you have a persistent level and hide the sub-lev ...

Crash editing Landscape Splines with Level Sequence Open

Tools - Mar 6, 2017

A crash occurs when attempting to transform a landscape spline with a Level sequence open. It is important to note that no key framing or animating of the landscape spline control point is occurrin ...

Crash after Splash Screen on Android (ETC2) when Adding r.UseShaderCaching and r.UseShaderPredraw

UE - Platform - Mobile - Jul 20, 2017

A crash occurs when adding the two rendering variables 'r.UseShaderCaching' and 'r.UseShaderPredraw' when deployed to an Android device packaged for (ETC2). I ran a few more tests to try and isolat ...

Spawned skeletal animations don't animate

UE - Anim - Sequencer - Oct 30, 2017

Enabling For Distribution doesn't set config to Shipping in DefaultGame.ini

UE - Platform - Mobile - Nov 29, 2017

After I ran the above steps and then packaged for Windows and iOS (using File > Package in the editor), my resulting executable was Shipping. So far this issue is cosmetic / confusing to the user ...

DataTable CSV export; First member of Array not exported if set to default value

UE - Gameplay - Blueprint Editor - Mar 26, 2018

When using a struct as a type for TArray and first element of the array has first member variable of the struct set to default, it is not exported to *.csv ...

Frame 0 event does not get triggered when using SetPlaybackPosition

UE - Anim - Sequencer - Apr 17, 2018

An event at frame 0 of a sequence does not seem to get called when using "SetPlaybackPosition 0" to reset the playback position to the start. This seems to be a regression. 4.17.2, the frame 0 even ...

Unable to export UCX_mesh without UVs or generate mapping coords option ON

UE - Editor - Content Pipeline - Datasmith - Importer - Dec 4, 2018