Whether arbitrary free connections like progressOn can be supported

[zhongyao-x]

Like this

[zhongyao-x]

Any number of connections at any location

[bcakmakoglu]

You might be looking for examples like these:
https://github.com/bcakmakoglu/vue-flow/tree/master/examples/vite/src/EasyConnect
https://github.com/bcakmakoglu/vue-flow/tree/master/examples/vite/src/FloatingEdges

You won't find these on the docs though but you can copy them out of the repo from the links above ^^