Blueprint Editor Show Grid does not toggle the grid in the viewport

UE - Editor - Workflow Systems - Oct 28, 2020

The grid in the blueprint editor is not able to be hidden via the Show Grid flag in the viewport dropdown. This has regressed sometime in //Ue4/Release-4.25 as I cannot reproduce this issue in //UE4 ...

Soft Object Reference Pins can't be reset to None

UE - Gameplay - Blueprint Editor - Dec 10, 2020

Soft Object Reference pins on Blueprint nodes can't be reset to None once an object reference has been set.  ...

Spelling error in Content Examples - Animation_Basic map - Station 1.1

UE - Content - Content Example - Apr 18, 2022

Transform in misspelled in the first paragraph of station 1.1 on animation_basics in content examples. ...

Pasting a folder on the Outliner while LightMixer and ViewChanges windows are open/docked crashes the Editor

UE - Virtual Production - Tools - Jun 12, 2025

When both LightMixer and ViewChanges windows are open, pasting a folder into the Outliner crashes the editor. For more detailed steps, refer to the Steps To Reproduce section. This happens whenever ...

Body Setup of a Static Mesh with Simple Collision will pass validation, but removing it and using only a Complex collision and setting Collision Complexity "Use Complex as Simple" will fail validation: "Bone None requires at least one collision shape".

UE - Simulation - Gameplay - Oct 20, 2025

Context: By default, Unreal Engine creates both simple and complex shapes, then, based on what the user wants (complex query versus simple query), the physics solver will use the corresponding shape ...

Montage Section bars render behind black lines in timeline

UE - Anim - Runtime - Apr 17, 2017

REGRESSION: No, this also occurs in 4.15. In the montage editor, the gree montage section bars render behind the black lines of the timeline, making them hard to see. ...

Mobile Temporal AA is broken

UE - Platform - Mobile - May 17, 2018

Expectaton: Temporal AA should work on Mobile ...

iPhone X Notch is off center on XR and XS Max when selecting their screen size in a UMG Widget

UE - Platform - Mobile - Nov 8, 2018

The iPhone X notch is off center on the XS Max and the XR. ...

EPixelFormat::PF_R16_SINT does not render correctly for textures

UE - Rendering Architecture - RHI - Nov 18, 2019

Creating a UTexture2D the following way does not properly process gradients in the texture: ------ bool Atexture_test_actor::LoadRawFileTest( /* output */ UTexture2D*& image) { TArray<short> v ...

"Texture Streaming needs to be rebuilt" message appears in default level

UE - Graphics Features - Aug 26, 2016

When opening the default level, the user can see a "Texture Streaming needs to be rebuilt" for the level. ...