Unreal Engine Issues

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...

Crash when compiling Blueprint Function containing a connected Set Variable node for a local variable named after a replicated Actor property

Creating a local variable inside a Blueprint Function with the same name as a replicated property of AActor (for example, “Role” or “RemoteRole”) and then using a connected Set Variable node for it ...

Modifiers do not behave as expected when adding conflicting mappings of different priorities

Breaking a level instance can not remove the level instance from world

Currently there is no stable way to break level instances ...

Physics Constraints do not have the same values if they are part of an 'Always Loaded' level

Physics Constraints do not have the same values if they are part of an 'Always Loaded' level. They will work correctly in the Persistent level and a level that is Streamed in. This becomes problem ...

Set user focus for player 0 will cause other local players to lose input

When the player at index 0 sets its user focus it will cause other players to lose input. This does not occur when setting the user focus of players with an index higher than 0. ...

Android ETC2 Debug Builds Crash on Startup

Android apps build with the debug configuration on ETC2 will crash on launch. ...

Crash when using Ctrl+Z to undo a single digit change in the size of a widget

When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...

Lighting channels not working as expected when enabling Ray Tracing Shadow

Non-Ray Tracing Shadows are only cast from lights on meshes assigned to the same Lighting Channel. When enabling Ray Tracing Shadows this is not the case. Lights will still cast Ray Tracing Shadows ...

Crash when calling SetState inside state machine OnUpdate

The crash happens when SetState is called inside the function bound to OutputAnimationPose’s OnUpdate in the animation state. This way of using Set State node is the same as shown in the official do ...