Latent Action Nodes
Latent action nodes (those that need time to complete), are now queued one after the other for each call of the node and also all have a Start, Update and Finish output port, which together were essential for some things:
In the following capture, I repetedly hit down the Fire1 button and you will see that the Wait node is being queued, while the count of queues are also shown right next to the node title for debugging.