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 ...

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 ...

UMG does not show up in viewport on HTML5 platform

UE - Platform - Mobile - Apr 27, 2016

Text UMG isn't showing up on HTML5 when it's packaged and ran on the browsers. This has only been seen on HTML5 so far. ...

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 ...

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 ...

The process of performing SetTextureParameterValue on a decal component during BeginPlay, the result will not be the same every time when streaming a level.

UE - Graphics Features - Jul 26, 2022

If executing CreateDynamicMaterialInstance and SetTextureParameterValue on BeginPlay for the decal component, the decal will be different the first and second time level streaming. ...

Physical Material Mask does not return the correct value

UE - Rendering Architecture - Materials - Feb 26, 2024

Water not rendering in Movie Render Queue

UE - Graphics Tools - Terrain - Water - May 3, 2024

It appears that MRQ does not actually add the pass that updates the Water Info Texture in the WaterZone actor. If the Skylight is set to "SLS Captured Scene" and does not capture every frame, then t ...

Nested level visibility track bug

UE - Anim - Sequencer - May 31, 2024

The Level Visibility tracks part of a Subsequence are turned off every time you save the Leve Sequence. It does not happen if Level Visibility tracks are added in the main Sequence. ...