check updated timeline for MAC

https://bitcointalk.org/index.php?topic=1693210.msg16988694#msg16988694

https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FVJMyIfl.png&t=587&c=-xr25AdOse2oYg
https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2Fh4Mynxz.png&t=587&c=YcL-Ls9EJoNrKg