No problem so far i think nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z nostr:npub142gywvjkq0dv6nupggyn2euhx4nduwc7yz5f24ah9rpmunr2s39se3xrj0 has been the only client to implement it
Discussion
nostr:npub1nkmta4dmsa7pj25762qxa6yqxvrhzn7ug0gz5frp9g7p3jdscnhsu049fn (cypher.space) has as well! nostr:npub1market6g3zl4mxwx5ugw56hfg0f7dy7jnnw8t380788mvdyrnwuqgep7hd (plebeian.market) is also planning on implementing it.