Cannot animate properties on Root UMG element.

UE - Editor - UI Systems - Apr 17, 2015

The UI tells me I can do it, but I cannot. Current work-around is to insert an extra element. Not desirable. [image: Inline image 1] ...

Realtime rendering gets disabled when simulating in editor

Tools - Oct 18, 2016

Realtime rendering gets disabled every time you simulate in the editor This does not occur in Main and is a regression from 4.13.2 ...

Spatialization is inaccurate on iOS/tvOS

UE - Audio - May 9, 2017

Also occurs in 4.16 Tested on iPhone6S+_4982 OS: 10.2.1 and tvOS 10.2 ...

Automotive Photo Studio Template project renders custom render passes incorrectly

UE - Editor - Content Pipeline - Datasmith - Importer - Dec 19, 2019

Renders with a custom render pass from the level in the Automotive Photo Studio Template are incorrect. They appear to be affected by auto exposure.  ...

Shader Complexity not working correctly on Deferred Decals

UE - Graphics Features - Sep 3, 2020

If you place a deferred decal in the world and then set the view mode of the viewport to "Shader Complexity", the decal doesn't affect the complexity value. ...

Mesh Paint Mode Hotkeys Invalid

UE - Editor - Mar 20, 2023

In the Mesh Paint Mode in UE 5.1, the keyboard shortcuts to change the brush (size, falloff, etc) are not working. ...

Niagara - The "Apply" button on the toolbar does not get enabled when changing the checked state of an entry in "Propagated Static Switch Values" for a function call node.

UE - Niagara - Apr 7, 2025

Consider a Niagara Function Script containing a Static Switch node with the "Expose as Pin" option disabled for its selector variable. Now consider another Niagara Function Script or Module Script ...

GC Clustering broken for USoundWave assets (crash)

UE - Foundation - Core - Mar 29, 2017

Assert crashes Editor in the GC system during packaging due to USoundWave assets not being configured for GC clustering. Disabling GC clustering in project settings is a workaround, but the fix is ...

Font outlines do not multiply color and opacity from parent widgets

UE - Editor - UI Systems - Slate - Jan 16, 2017

We don't currently multiply by the parent widget's color and opacity when calculating the color and opacity of a text block's outline. Since color and opacity are precalculated before the outline is ...

Crash with Gear VR when using splash screen

UE - Platform - XR - Dec 5, 2016

Crash with Gear VR when using splash screen. The app appears to crash when trying to call the splash screen. ...