I realize we all want the lastest options available, and it would be nice to see some updates so we get reassured that Resilio Sync is not abandoned. But for me Resilio Sync works without issues. I am not aware of bugs. I paid a onetime fee and have been using it for quite a few years.
So if @Helen can reassure us that Resilio Sync will continue to be supported and is not abandoned, i am happy to keep on using it.