The "_##" is dropped when following the default name of a widget within the Hierarchy panel

UE - Editor - UI Systems - Aug 25, 2015

The Hierarchy panel does not show the full name of a widget the name of the widget starts with the default name (Example: Button) followed but an underscore and some numbers (Example: Button_42). In ...

Renaming Function Parameters Silently Disconnects Pins if Function is in Use

UE - Gameplay - Blueprint Editor - Feb 9, 2017

Changing parameter names on a function that is in use in another blueprint breaks the pin connections without warning if the blueprint is not saved before restarting the editor. See the licensee's ...

Undoing after opening a bluperint will delete nodes in a math expression

UE - Gameplay - Blueprint - Oct 11, 2019

Math expressions fail to compile when performing an Undo after opening a blueprint ICE - wrong output link - ((1 + x) * (sin(myVar))) - (2.400000 / (rand())) ...

Editor crash when delete static mesh actor include in HLOD

UE - World Creation - Worldbuilding Tools - HLOD - Feb 18, 2021

The Tooltip for the Apply button in Material Editor incorrect uses it's instead of its

UE - Rendering Architecture - Materials - Feb 1, 2016

See Attached Picture: [Image Removed] ...

Replacing actors during LevelInstance inline editing applies incorrect transforms

UE - World Creation - Worldbuilding Tools - Level Instances - Jul 14, 2022

When you finish editing a level instance, the actor is converted from the world position to the local position of the level instance, but if you replace the actor, the conversion process is performe ...

In some situations, a Blueprint can become devoid of an Event Graph. While no graphs are present, multiple variables can be created with the same name.

UE - Framework - Blueprint Editor - Aug 26, 2024

In some situations, a Blueprint can become devoid of an Event Graph, or be created without one from the start. For example, function "FKismetEditorUtilities::CreateBlueprint()" in UE 5.4 does not ca ...

The 'Browse to Asset in Content Browser' button beside Default Gamemode does nothing

Tools - May 28, 2015

Nothing happens if you try to hit the magnifying glass icon (Browse to Asset in Content Browser) beside Default Gamemode in the Project Settings window. It also does not work beside 'GameMode Overri ...