Unable to Launch On - Plugin SlateRemote failed to load

UE - Platform - Console - UnrealFrontend - Nov 9, 2016

Workaround: Delete the StagedBuilds folder within [Project] \ Saved User is not able to LaunchOn on multiple platforms. They receive a message saying Plugin 'SlateRemote' failed to load. The plug ...

Blueprint Instanced static meshes generated in construction script do not bake lighting properly

UE - Graphics Features - Mar 12, 2015

Blueprint's with an instanced static mesh that has instance components added via construction script will fail to build lighting correctly when the pivot is placed outside the lights radius. This ...

Attached Project Crashes When Compiling Character Blueprint

OLD - Anim - Feb 10, 2016

The user's project is crashing during compilation of one of their character blueprints. We have not been able to reproduce this issue in a clean project, as the repro steps are unknown outside of t ...

CommitMapChange doesn't fully deal with sub-levels

UE - Gameplay - Jan 12, 2017

Per https://udn.unrealengine.com/questions/329206/crashes-when-streaming-levels-in-414.html When inspecting the code for this report, it has become clear that the streaming levels of the incoming m ...

A project using the Script Plugin will not open in a binary version of the Engine that is created from an Engine built from source code

UE - Foundation - Build - Rocket (Installed Engine) - Feb 1, 2017

Trying to open a project that uses the Script Plugin in a binary version of the Engine that has been created from an Engine built from source code will fail. The Engine is looking for the file Unrea ...

Duplicating Collapsed Node Graph With an Asterisk in the Name Results in "Invalid Graph"

UE - Gameplay - Blueprint - Sep 20, 2017

If you give a Blueprint node a name containing an asterisk, then collapse it, if you copy and paste the collapsed node the duplicate node will say "Invalid Graph." Additionally, if you try to renam ...

When SimpleLink and SmartLink are enabled, CustomLinkId is sometimes missing.

UE - AI - Navigation - Jun 21, 2022

If trying to find NavLinkProxy with SimpleLink and SmartLink enabled by searching the path,  sometimes CustomLink is not found (CustomLinkId=0). Since only one NavLinkProxy is located on the level, ...

3D Grass may not appear in Path Tracer renders

TM - Rendering - Sep 19, 2025

Reported in SF [Link Removed] Path Tracer renders of images with 3D grass may not display 3D grass in the foreground of an image. The 3D grass material will not appear or may appear to cut off at s ...

Widgets always come in to viewport with a zorder of 0 after being removed and added back

UE - Editor - UI Systems - Apr 8, 2015

If a widget is removed from parent and then gets added back to the screen later it will come in with a zorder of 0. ...

Widget "Listen For Input Action" executes on unexpected input event

UE - Editor - UI Systems - Feb 19, 2020

Listen For Input Action firing erroneously. Confirmed in 4.26 MAIN @ CL 11536993 ...