Unreal Engine Issues

Tooltips can be displayed behind some Editor sub-windows on Mac

Using Command-Tab on a Mac to go to another app and then return to the Editor will result in some tooltips being displayed behind Editor sub-windows. ...

Moving a Copy of an Actor from Persistent to Sublevel Dirties Persistent Level

Using Alt-Drag to move a copy of an actor from the persistent level to a sublevel (when the sublevel is selected as the current level in the Levels window), the persistent level is getting marked as ...

EObjectTypeQuery array nodes break when changing Object Channels in Project Settings

When an object channel is deleted in Project Settings, any EObjectTypeQuery array becomes broken due to the array size shifting. Additionally: Enums can change when adding new Object Channels after ...

Editor reads Alt Gr key input as Ctrl + Alt

When changing editor shortcuts / input settings, pressing the AltGr key will cause the editor to read the key combination of Ctrl+Alt rather than a single key press. This is likely due to Ctrl+Alt ...

Small objects have erratic behavior when simulating physics

Small objects have erratic behavior when simulating physics. If drop at an angle, some will start spinning indefinitely on contact with the ground while others will spin in place when hit. This is ...

Copying values of an array created through C++ does not copy all values

Copying values of an array created through C++ does not copy all values, only the first value is copied over. This is different than an array that is created in blueprints when those are copied they ...

Blueprint Diff tool fails to find nodes deleted from an Anim BP and also shows the incorrect State Machine rule

When using the Blueprint Diff tool to diff an Animation Blueprint, it fails to find nodes that have been deleted from a State Machine rule. It also fails to show the correct State Machine rule when ...

Mouse is not captured when running -game on Linux

Launching a game with the -game command causes the game window to not capture the mouse until the window is clicked. Regression: Yes - This behavior does not occur in 4.16.3 (CL 3561208) ...

Crane doesn't work in a packaged game

Unable to select foliage by left clicking after 1.5 k foliage meshes placed

When using the foliage tool, once the mesh count reaches around 1.5k and higher you will be unable to select individual meshes by using the mouse. The lasso tool and the select all tool work as inte ...