Are you looking to make this feature available to only the paid tier or also to the free tier? Wasn't certain based on the blog posting, but most of the time you'll say if a feature is enterprise only, etc.
Currently on the free tier for my personal projects and would love to play with this on my personal k8s cluster.
It's gross to advertise your own company, but the weather's bad soooo ...
We have an open source tool called wormhole that works similarly. You can run it yourself, or use it on fly.io (including the free tier): https://github.com/superfly/wormhole