As a Breez user I encountered the same restriction. Is this an inherent limitation of non-custodial wallets? Would you know how this problem could be solved or where one can find how much progress is made on this?
Discussion
It's a problem with mobile lightning nodes because a lightning address needs needs a webserver and that webserver and relies on DNS which only works well with a reasonably stable IP address. With a node setup at your home or busines or wherever, it's pretty easy to setup a self custody lightning address.