For those interested in trying an updated DeepConnectionsGramplet, the source code is here:
You can simply overwrite your existing one.
This version doesn’t change the algorithm very much, but it does update the UI much more often to let you know what it is doing. It seems very fast on a 30k tree that I have. But let me know what you find.
[I forget what needs to be done to let @GaryGriffin know that it is ready for packaging]