Adding/Removing tiles by clicking on gizmos are part of the undo stack Tiles have their own Guid now. This does not get serialized and are assigned on load Don't allow to box to resize into others. Prevent deselecting gizmo when resizing up-left LabelTextEntry text now updates when property updates (if it was edited elsewhere) Added "Selected Tile" section to Tileset Editor Inspector Put Selected Tile section in an Expand Group so we can have ControlSheet groups within that are less confusing Display [ReadOnly] Index in Selected Tile group Removed TilesetResource.SheetRect and replaced it with two Vector2Ints (Position and Size). Fixed can drag logic on Corners