Unreal Engine Issues

Previewing Nav Mesh in DX12 Mode causes Editor to Crash

In UE4.11p6, previewing Nav Mesh in DX12 Mode causes Editor to crash. ...

Collision Not Working on Dynamically Spawned Objects While Using 'Cook Blueprint Component Data for Faster Instancing at Runtime'

Dynamically spawned objects' collision does not seem to be working in a packaged game when the Cook Blueprint Component Data for Faster Instancing at Runtime option is enabled. Found in 4.14.1. Un ...

Color and Opacity animation option does not play for Button component

Color and Opacity animation option does not play for Button component, this occurs both in the Widget editor and during play. This issue is not a regression Versions Tested: 4.16.3 - CL: 3561208 - ...

Editor ES2 Feature Level preview and Mobile Preview PIE do not limit materials to 8 textures

Shadows remain visible for Procedural Foliage Instances that are culled out

Watching GIF displayed in test case, the shadows disappear with the meshes. ...

Pressing "X" to clear text field results in closing window instead.

In the event graph of a newly created Blueprint, in the "All Actions for this Blueprint" window brought up by right clicking the grid, the window will close by pressing "X" in the text field, instea ...

BP Component is not destructible if the Object Type is set during runtime

BP Component is not destructible if the Object Type is set during runtime. If the Object Type is set manually before PIE is started, the BP component will destroy correctly. ...

Control Rig: crashes when compiling after rearranging input pins in an array in Example Rig Unit

The crash doesn't occur every time, but it will happen within 3 swap and compiles in my experience. I got multiple different callstacks when I cause the crash using the reproduction steps (they are ...

Anim Slots are always placed in the Default Group

After generating a new Slot node in the AnimGraph of the AnimBlueprint, creating a new Slot Group and subsequent Slot for that group results in the new slot being assigned to the Default group after ...

Physics not reacting correctly with physical material if velocity is not high enough

There are issues with the way Physics is being handled with physical materials. Having a physical material setup with a restitution of 1 and a high max depenetration value will result in no bounce. ...