Subobject components do not have undo functionality within the level

Tools - Jan 4, 2021

When moving these components around in the world editor, the transform gizmo will move with the undo, but the actual component will not.  I could not repro this behavior with non-native component ...

TraceHitInfo not returning correct PhysMat when Changed at Runtime via MID

UE - Simulation - Physics - Jan 11, 2016

Line Traces are not correctly returning the Physical Material Info when that information is changed at runtime via a Override Physical Material or a Set Physical Material via a Dynamic Material Inst ...

Uncompressed Lightmaps rendering incorrectly in HTML5

UE - Platform - Mobile - Mar 25, 2015

When using uncompressed Lightmaps in HTML5, the lighting is rendered incorrectly. Using (the default) compressed lightmaps, generates no error. Also reproduced in Main Promotable-CL-2487422 (Enscr ...

SimpleMoveTo does not work on Clients

UE - Networking - Jan 9, 2015

SimpleMoveTo does not work on Clients. ...

The AnimBlueprint Shows Duplicate Objects in the Debug Filter

UE - Gameplay - Blueprint Editor - Sep 3, 2015

The AnimBlueprint shows duplicate characters in the Debug Filter causing three effects: 1. Causes breakpoints not to function properly 2. Reverts back to "No debug object selected" in the Filter rat ...

Multiple monitors bug with UE 4.14 on Mac

UE - Platform - Apple - Oct 26, 2016

In UE4.14, the Editor freezes and is unresponsive and/or user cannot use any element of the editor in the second display Regression: this did not occur in previous versions of the Engine: tested in ...

HISMC with LODs added as a Blueprint Component creates extra Material Elements

UE - Graphics Features - Oct 18, 2016

Adding a HISM as a component within blueprints and referencing a Static Mesh with LODs, creates extra/additional and material elements. ...

Collision Not Working on Dynamically Spawned Objects While Using 'Cook Blueprint Component Data for Faster Instancing at Runtime'

UE - Gameplay - Blueprint - Dec 13, 2016

Dynamically spawned objects' collision does not seem to be working in a packaged game when the Cook Blueprint Component Data for Faster Instancing at Runtime option is enabled. Found in 4.14.1. Un ...

Video Texture thumbnail does not update after you change its output track

Media Framework - Mar 2, 2017

When updating a video texture's output track, the player preview and world will update immediately, however the texture's thumbnail will revert to default color: Black. When moused over, the thumbn ...

uncaught exception: out of memory after launching project onto HTML5 (32-bit browsers)

UE - Platform - Mobile - Mar 20, 2017

First person template project is struggling to run on Firefox 32-bit Version 52.0.1 and eventually throws an "uncaught exception: out of memory" error. Occurs in both BP and C++ projects. May be a ...