Hot fix contains:
Fixed: Drawing arcs and circular arrows on a thumbnail.
Fixed: Reading fast saved presentations.
New: Creating new polylines on a slide or inside GroupShape from scratch. See Shapes.addPolyline(…) method.
New: Changing polylines. See Polyline.setPath(…) method.
New: Reading/writing 3D effects. See Shape.getThreeDFormat function and ThreeDFormat class.
New: Rendering 3D effects on thumbnails and svg.
New: AutoShape.getTextRectangle() function which returns coordinates of rectangle used to draw text inside AutoShape.
New: Support for additional types of audio and video clips.
New: Implemented cloning slides with audio and video clips.