You mean functions other coins have a long time already?
Face it, Monero never developed anything on their own and even with copying they are really, really, really slow.
sigh,
adaptive blocksize with tail emission...
lol, ok now I see, you're an SDC-guy... Well, if you wanna sit at that table, you're gonna have to eat what's being served... how's that superb broken SDC-anonimity working for you:
https://shnoe.wordpress.com/2016/02/11/de-anonymizing-shadowcash-and-oz-coin/