Inconsistent Details Panel Focus Behavior On Enter Pressed for Blueprint-Added Components

UE - Editor - Workflow Systems - Jul 2, 2025

When editing a component property in the level viewport, if the component was added via the Blueprint Editor, pressing Enter after changing a value causes the details panel to lose focus. This inter ...

Drag and Drop fails in Standalone and Packaged builds when WidgetComponent’s Widget is set at runtime

UE - Editor - UI Systems - Dec 4, 2025

When a UWidgetComponent has its widget assigned dynamically at runtime using CreateWidget and SetWidget, drag & drop operations fail in Standalone Game and packaged/game builds, while working correc ...

Input Touch Hold trigger fails to reset, unlike Mouse Hold (using Enhanced Input Context)

UE - Gameplay - Input - Nov 13, 2025

When using the Enhanced Input Context, the Input Touch Hold trigger does not reset correctly after releasing a touch input. Unlike Mouse Hold, which keeps firing Canceled events as expected, Input T ...

In-app purchase fail node does not execute properly without network connection

UE - Platform - Mobile - Sep 30, 2015

In-app purchase failure nodes do not execute when there isn't any connection. ...

Sound plays twice when switching camera modes

UE - Audio - Aug 7, 2015

Playing a sound (firing weapon) and switching the camera mode will cause the gunfire sound to play twice, once from the weapon's position when it's fired and again as through the sound was coming fr ...

Compile failure in UHT with combined multi-line / single line comments

UE - Foundation - Core - Apr 22, 2015

Using a single line comment to immediately follow a multi-line comment closing brace results in an illegible compile errors: "error code: CrashOrAssert(3)" Workaround: Include a space between */ an ...

Crash assigning spline mesh on tiled landscape

UE - LD & Modeling - Terrain - Landscape - Jun 1, 2015

Crash assigning mesh to spline on tiled landscape. ...

Editing the value of an Array Variable in an Actor Component's bp Details panel will collapse the expanded array

UE - Gameplay - Blueprint - Mar 27, 2015

Editing the value of an Array Variable in an Actor Component's bp Details panel will collapse the expanded array. Found in 4.7.3 but also reproducible in Main 2491982. Another user reporting the i ...

Blueprint Break on Exceptions does not work with Accessed None errors

UE - Gameplay - Blueprint - Jan 14, 2015

The experimental feature Blueprint Break on Exceptions does not work with Accessed None errors. To test, create an actor variable in a blueprint and use it as an input to a function without having s ...

LIVE: LANDSCAPE: Lock Movement feature does not save state after re-opening editor

UE - LD & Modeling - Terrain - Landscape - Oct 16, 2014

Lock movement state on landscape does not save state on reloading editor. ...