Forced reboot launching editor the first time

UE - Foundation - Cpp Tools - May 30, 2018

Note that before I tried running the editor via the Launch button, I just happened to run the Editor exe directly, and this did not repro then. After my PC rebooted I tried to reproduce it again an ...

Unable to change Actor Coloration View Modes in PIE

UE - World Creation - Worldbuilding Tools - Jul 20, 2025

When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...

UE4 Crashes if multiple Vive Trackers or Lighthouses are used

UE - Platform - XR - Jan 24, 2018

User reports that if more than 5 trackers are connected, UE4 crashes Suggested fix: Root cause of bug is related to the fact that UE has no setup to receive input events from Vive Trackers. (we ha ...

Reimported mesh doesn't remove unused material slot

Tools - Jun 8, 2018

Only once operation of Reimport could provide correct updated material slots ...

Search Field within Blueprint Graphs lose focus after Right-Clicking on Mac and Linux

UE - Platform - Apple - Apr 3, 2016

The search field within blueprints loses focus after right-clicking in an empty space in the graphs. I checked to make sure this was not a universal issue, and it is indeed platform specific with t ...

Viewport deselect hotkey no longer works

Tools - Dec 26, 2014

BRANCH: MAIN CHANGELIST: 2374441 PLATFORM: Windows DESCRIPTION: The functionality to use the hotkey to deselect an object in the viewport using the ESC key no longer works in 4.7 without first sel ...

UE5.4 Preview 1 produces rendering artifacts on Landscape with World Position Offset

UE - Graphics Tools - Terrain - Landscape - Mar 28, 2024

A material on a landscape with WPO will cause major ghosting, even if that WPO is a dynamic {0,0,0} ,such as from a black texture. ...

The Color Picker in the Material Editor doesn't pick colors from windows outside of the editor anymore

UE - Rendering Architecture - Materials - Nov 19, 2014

The Color Picker/Eye Dropper in the Material Editor doesn't register colors from any windows outside of the editor anymore. Changelist #2337679 (Not working here of any changelist created after it ...

Struct Default Values not registering in user generated structs

UE - Gameplay - Blueprint - Jun 15, 2016

Arrays of structs do not register default values when the array is resized. Regression (no) issue (does) occur in 4.11.2 ...

LIVE: Manually importing a single LOD created in Maya will rotate -90 degrees

UE - Editor - Content Pipeline - Import and Export - Nov 5, 2014

DESCRIPTION: When importing a mesh created with Maya then saving, closing, and reopening the editor, if you add a LOD via the right mouse menu or mesh editor will result in the LOD importing -90 rot ...