matplotlib v1.5.0 This release of matplotlib has several major new features: - Auto-redraw using the object-oriented API. - Most plotting functions now support labeled data API. - Color cycling has extended to all style properties. - Four new perceptually uniform color maps, including the soon-to-be default 'viridis'. - More included style sheets. - Many small plotting improvements. - Proposed new framework for managing the GUI toolbar and tools.