Crash occurs when entering r.GbufferFormat 3 and running the Pixel Inspector Tool

UE - Graphics Features - Jun 13, 2017

A crash occurs when attempting to run the Pixel Inspector tool after entering 'r.GbufferFormat 3' What this does is defines the memory layout used for the GBuffer. (affects performance, mostly thro ...

This user's project presents an Engine/Transient save error on certain Blueprints

UE - Gameplay - Blueprint - Apr 10, 2015

This user's project presents an Engine/Transient save error on certain Blueprints. When saving the CharmState Blueprint, this message pops up: Can't save ../../../../../UserProjects/jeffvoight_ciic ...

Sounds Triggered on Android playback 3 times in quick Succession

UE - Audio - Oct 1, 2015

Users are reporting that when playing sounds in projects deployed to their Android Devices, the playback is triggered three times in quick succession. There are known work arounds to this issue, li ...

DoDeferredRender will not UpdateBound correctly when NavigationCachedBoundsUpdated

UE - AI - Navigation - Dec 2, 2025

With InstancedStaticMeshComponent, after calling AddInstance, an instance that’s far away gets culled because of additional logic that was added in 5.7 to This works correctly in 5.6 and the instanc ...

OnTextChanged not called for UEditableTextBox / UMultiLineEditableTextBox when text is set programmatically

UE - Editor - UI Systems - Sep 29, 2025

When calling SetText() on a UEditableTextBox or UMultiLineEditableTextBox, the OnTextChanged delegate is not triggered. This regression was first reported in UE 5.3 and acknowledged previously in UD ...

FBX Scene Importer sets actors in Blueprint to movable when reimporting

UE - Editor - Content Pipeline - Import and Export - Nov 28, 2016

When using the FBX Scene Import into Level with default settings so that the actors in the BP import as static, if you reimport them they will then be set to Movable in the BP. This is not a regre ...

Post Process Ambient Cubemap Tilted

UE - Graphics Features - Nov 11, 2014

User imported a custom image in the correct format to be used as an Ambient Cubemap within the Post Process Volume. Enabled detailed lighting mode by pressing Al+5 and the image has been tilted/of ...

FBX material IDs from 3DS Max are reordered in automatic LOD generation

Tools - Sep 12, 2018

This appears to be a UE4 bug in the way it handles the importing of FBX Material IDs from 3DS Max exports.Max uses set Mat IDs to organize multiple materials on a single object.UE4 correctly handles t ...

Rotated RetainerWidget does not account for rotation during hit testing

UE - Editor - UI Systems - Jan 21, 2026

Hit testing for widgets contained within a RetainerWidget does not correctly account for rotation applied via render transforms . While the content renders with the expected rotation, hover and clic ...

Correct Morph Targets animate in PIE, but not in Standalone Game

OLD - Anim - Mar 5, 2015

Wrong morph targets are animating in standalone game, but the right ones play in PIE See the Additional Info URL for the user's description (and youtube video) Here is the project: [Link Removed] ...