This has been introduced 2 months ago by https://github.com/juju/juju/commit/40db18d5714b1a00e5d02c0796fb8a35b0ae1749
This has been introduced 2 months ago by https:/ /github. com/juju/ juju/commit/ 40db18d5714b1a0 0e5d02c0796fb8a 35b0ae1749