Math Expression nodes cause packaging to fail.

UE - Gameplay - Blueprint - Oct 24, 2014

When using a math expression node within a blueprint, the project will fail when packaging. ...

Skeletal Mesh with Tessellated Material causes Excessive Blur

UE - Graphics Features - Nov 18, 2014

With a Tessellated Material, either Flat or PN Triangles, applied to a Skeletal Mesh when playing, the Mesh has excessive blur when in motion. If you use the same material and turn off tessellation ...

Packaging a plugin from Plugins Editor UI wipes the target folder before packaging

UE - Foundation - Cpp Tools - Plugin System - Sep 23, 2016

"Package Plugin" from Plugin Editor UI will wipe the target folder’s contents first then populate it with plugin files. User was expecting “Package Project” like behavior: Create a new folder in th ...

Adding array element of instanced meshes during simulation does not increase amount of elements in array

UE - Gameplay - Blueprint - May 9, 2016

Adding array element of instanced meshes during simulation does not increase amount of elements in array. Regression (No) issue (does) occur in 4.10.4 ...

Creating custom event from function w/ delegate variable parameter does not have input pin for the delegate

UE - Gameplay - Blueprint - May 29, 2015

When using a delegate variable as a function parameter, dragging off of the delegate pin of an associated function BP node to create a custom event will create a default custom event without the inp ...

Static mesh with simulate physics does not update for clients joining after a session has started

UE - Networking - Apr 22, 2016

Static mesh with simulate physics does not update for clients joining after a session has started ...

Updates to Static Mesh Sockets do not appear in BPs until recompiled

Tools - Apr 13, 2016

Static mesh socket updates do not appear in BPs unless you recompile ...

Combo box does not function in packaged build

UE - Editor - UI Systems - May 10, 2017

The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected. Regression: This ...

Static light contained in a blueprint will need lighting rebuilt each time the project is reopened

UE - Gameplay - Jun 29, 2017

Static light contained in a blueprint will need lighting rebuilt each time the project is reopened. This only seems to occur for a static light that is parented to a static mesh and then that static ...

Crash when modifying InstancedStaticMesh transform in Blueprint Editor

UE - World Creation - Worldbuilding Tools - Foliage - Oct 20, 2017

InstancedStaticMesh component element mismatch between in-level and BP editor can cause crash when modifying transform in BP editor. This can happen when a user modified transform in-level actor's I ...