1.15.0

• REFACTOR: Minimize Vector2 creation in IsometricTileMapComponent (#3018). (5d3be313)
• FIX: Set margins of JoystickComponent properly (#3019). (e27818d8)
• FIX: Properly update sprites in SpriteButtonComponent (#3013). (23cf8b9d)
• FIX: Lifecycle completers to be called for FlameGame (#3007). (3804f524)
• FIX: CameraComponent no longer throws Concurrent modification on stop (#2997). (6a1059b0)
• FIX: Updated PolygonComponent.containsPoint to account for concave polygons (#2979). (a6fe62a2)
• FIX: Add missing generic to ComponentViewportMargin (#2983). (1d9fe613)
• FEAT: Add support for base64 encoded images to be manually added to Images cache. (#3008). (1e56293c)
• FEAT: Make Component.key public (#2988). (7fbd5af9)
• FEAT: Add a hitboxFilter argument to raycast() (#2968). (d7c53e23)