This is the July 2018 entry of Metagame Build Orders.
2-1-1 was designed for TvZ, and it is arguably not a good choice for TvP and TvT. This post discusses how 2-1-1 can be adapted and used in each match up.
Cloak Banshee is a common tech choice for TvP 1-1-1 variations in the last two months. It diverges from other mainstream options and provides a unique twist to the early and mid game.