SButton and SBorder multiply color and opacity twice

UE - Editor - UI Systems - Sep 22, 2016

Currently, the SButton and SBorder widgets multiply the color and opacity during OnPaint before calling the super (SCompoundWidget::OnPaint). This causes the operation to be done twice, since the co ...

Widgets can no longer take focus after clicking somewhere other than the widget itself

UE - Editor - UI Systems - Oct 24, 2016

Widgets can no longer take focus after clicking somewhere other than the widget itself. The input mode appears to change, but does not change back when clicking widgets Note: This issue did not app ...

[CrashReport] UE4Editor_Landscape!FLandscapeEditDataInterface::SetAlphaData() [landscapeeditinterface.cpp:2617]

UE - LD & Modeling - Terrain - Landscape - Sep 8, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

CheckForWorldGCLeaks crash using New Level from Template node to duplicate sublevel of the currently loaded level

Tools - Feb 23, 2021

A world leak crash occurs when using NewLevelFromTemplate to duplicate a sublevel of the currently loaded level. The crash doesn't manifest until another level is loaded even though the Sublevel ins ...

Inconsistency when dragging a sequence into a Master Sequence

UE - Anim - Sequencer - May 31, 2017

Inconsistency when dragging a sequence into a Master Sequence ...

Unloading a World Partition region during nested Level Instance inline editing prevents exiting editing mode

UE - World Creation - Worldbuilding Tools - Level Instances - Jul 28, 2025

In the case of a single-layer Level Instance, actors are still referenced even when the region is unloaded. However, in the case of nested Level Instances, the level being edited is discarded when t ...

Moving a 3D widget that has been placed in the scene will cause a crash

UE - Editor - UI Systems - Jan 18, 2016

If a user places a 3d widget in to the level it will cause a crash when moved with the movement arrows. ...

Nodes displaying generic Kismet node name after hot reloading

UE - Gameplay - Blueprint - Aug 4, 2016

I noticed this while executing [Link Removed]. ...

Crash when setting a bookmark after going live with Multi-User Editing

UE - Virtual Production - Apr 22, 2019

When using Steam VR in combination with the Multi-User Editing plugin and the Virtual Production Utilities plugin the engine crashes when adding a bookmark while a server is running. ...