Mouse click requires double click to enter input if "Set Input Mode Game Only" used

UE - Editor - UI Systems - Slate - Oct 3, 2016

Mouse click requires double click to enter input if "Set Input Mode Game Only" used Regression (no) issue (does) occur in 4.12.5 Notes The first box selected will light up correctly the first time ...

Cannot Add Elements to AIPerceptionStimuliSource's Register as Source on an Instance in the Level

UE - AI - Jun 7, 2016

When attempting to add an element to the Register as Source for Senses on an instance of a blueprint in the level, the + button has no effect. Clicking the button does not add an element. This work ...

Package fails to load due to EditorOnly data when launched onto Mac or Windows

UE - Foundation - Core - Jun 28, 2017

LogPlayLevel: QAGame: [2017.06.28-14.09.14:706][ 0]LogLinker:Warning: Unable to load package (../../../QAGame/Content/UMG/UMG_Sprite.uasset). Package contains EditorOnly data which is not supported b ...

Containers of Instanced Subobjects don't inherit as expected

UE - Gameplay - Blueprint Editor - Jul 6, 2018

Changes made to array containers in the parent Instanced Subobject Blueprint does not affect the child. Working in 4.18.3 Broken in 4.19.2 Tested in  4.18.3(CL - 3832480), 4.19 (CL - 4033788), 4. ...

Widget component navigation does not work in Standalone

UE - Editor - UI Systems - Jun 14, 2019

When running a standalone build, focus navigation doesn't work on widgets within a world-space widget component. This may be fallout from [Link Removed], which parented the widget component's virtua ...

BP multi-level inheritance does not correctly inherit 'Static' mobility

UE - Gameplay - Blueprint - Sep 8, 2022

User reported an issue of a mesh not being visible when a project has multi-level blueprint inheritance. After reproing, I believe the root cause is DefaultSceneRoot of the grandchild BP class not c ...

Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero, and subsequent rotation is not allowed after the setting is disabled

UE - Gameplay - Player Movement - Jan 2, 2016

Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero. Subsequently disabling Pawn Use Control Rotation make rotation of the component impossible until ...

Hitching when scrubbing values inside of color picker in binary builds

Tools - Jul 5, 2016

Large hitching is occurring when click dragging inside the color wheel of the color picker or scrubbing RGB, HSV, and Value/Saturation sliders. I am only able to repro this issue in Binary builds. ...

Structs within structs lose connection within blueprints if they have their output pins split to show individual variable components upon re-opening project

UE - Gameplay - Blueprint - Aug 11, 2016

Structs within structs lose connection within blueprints if they have their output pins split to show individual variable components. This happens upon closing and re-opening the editor. Other varia ...

FBX & OBJ Files no longer Import with their UVs Depending on Software Used

UE - Editor - Content Pipeline - Import and Export - Sep 6, 2016

Importing an OBJ file no longer imports the UVs. Test asset included for OBJ and FBX version of the same file. Added Test FBX from SketchUp Tested with: 4.12.5 CL-3039270 - Working 4.13.0 CL-31 ...