I am with Cricktor.
Why legacy? And how are you related to this bounty? And what has Core Lightning / and or Rusty Russell said about the bounty.
On a side note, it does work for me I just used it to pay a bitrefill invoice so I don't know how widespread this issue really is.
-Dave
My ignorance. I am the initiator. Nothing yet.
It is the most commented ongoing issue on the Core Lightning Github page:
https://github.com/ElementsProject/lightning/issues?q=is%3Aissue+is%3Aopen+sort%3Acomments-desc