I'm glad you've got paying customers and absolutely do not wish to interfere with that. This might be a bit of a faux pas, but, it is good for the community: I

I'm glad you've got paying customers and absolutely do not wish to interfere with that. This might be a bit of a faux pas, but, it is good for the community: I developed some code to build a service like this back in 2012. It is released GPLv2 if anyone is interested: https://github.com/gburtini/Private-Plugin-Updater https://github.com/gburtini/Private-Plugin-Updater