• All joint views now use the joint- class name prefix for their class names.
• dia.Element - make it easy to add ports to an arbitrary element, introduced API for ports manipulation
• shapes.devs.Model - uses new port API internally. shapes.basic.PortsViewInterface, shapes.basic.PortsInterface are marked as deprecated
• layout.Port - various layouts for positioning ports
• layout.PortLabel - various layouts for positioning labels relatively to ports
• joint.util.deepSupplement, joint.util.supplement, joint.util.mixin, joint.util.deepMixin marked as deprecated. Use lodash _.defaultsDeep, _.defaults, _.assign, _.mixin instead
• layout.DirectedGraph - layout() returns a bbox
• dia.LinkView - unify link:options event signature with the rest of events (breaking change)
• dia.LinkView - fix perpendicular links outside the paper area
• dia.ElementView - fix resizing without scalable group, re-render element when markup change
• dia.ElementView - improve x-alignment and y-alignment for text
• other bug fixes and improvements