Release 6.21.0

Nested instances

• Support was added for zooming in nested instances (eg. when some node in a given instance has another instance of JsPlumb embedded in it).

• Support was added for dragging edges in nested instances.

You can see these new capabilities in action in our Nested instances demonstration.

Inspectors

• Inspectors were updated to ensure they are cleaned up when the port they are inspecting is removed from the dataset, or the node/group which the port they are inspecting belongs to has been removed from the dataset.

Drag/drop improvements

• Surface Drop manager was updated to not assign active/hover classes to nodes and groups in the canvas when allowDropOnNode or allowDropOnGroup is set to false.

Miscellaneous

• Events bound on a Surface via bindModelEvents are invoked in a timeout, which better isolates event binding behaviour from the Surface's lifecycle.

• ControlsComponent consumes events it has handled instead of allowing them to bubble.

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Further reading

• Check out the source code for the nested instances demo here: https://github.com/jsplumb-demonstrations/nested-instances

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