Unreal Engine Issues

Clicking the GameMode Override dropdown in the World Settings tab crashes the editor

Clicking the GameMode Override dropdown in the World Settings tab crashes the editor. Also occurs with any of the sub-options for the GameMode. Does not appear to occur if there is not already an ex ...

Distance Field AO does not work below a landscape

This may be a limitation at the moment, but landscapes will block any AO generated from Distance Fields for anything that is below the landscapes surface. This can cause issues for anyone using a ca ...

Setting collision thickness is not exposed on UPaperTileMap or UPaperTileLayer

Launch Game Crash with None Distribution Method in Cascade

When you set the Distribution method to NONE in an initial Mesh Rotation Module of Cascade, cook the content for windows and then Launch for windows (or other non-editor device), the launched game w ...

The DefaultSceneRoot's tooltip claims adding a new scene component will automatically replace it as the new root, but this is no longer true

The DefaultSceneRoot's tooltip claims, "Adding a new scene component will automatically replace it as the new root", but this is no longer true in 4.8 and 4.9. Instead, the DefaultSceneRoot remains ...

Editor crashes when child blueprint uses billboard in construction script

The editor is crashing when a child blueprint uses a billboard in the construction script after hovering over 'apply instance changes to blueprint' from the details panel. ...

Screen goes black for the oculus rift when changing the Screen percentage on an AMD 200 Series graphics card

When setting the mirror mode and the screen percentage the screen on the oculus rift will go black if you are using an AMD 200 series card. ...

Precomputed Visibility no longer calculated on Landscapes

Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...

Spawning Instanced Meshes with Multiple Collisions Produces Error Log Spam

Constructing instanced meshes with multiple collision components spams the output logs with error messages. ...

Conflicting FName for components freezes the editor with no warning

If two code components have the same TEXT("") name in the CreateDefaultSubobject call the code will compile correctly but the editor will freeze when adding an instance of the class or classBP to th ...