I'm still on 0.15 and it's working fine.
Previous major updates were mandatory.
Not this one. Monero is maturing. It's becoming more stable, more "boring", and that's a *great thing*. I'm not saying there won't be further breaking hard forks. I'm just saying we're slowly but surely getting there: **A global, neutral monetary standard that simply is what it is, works fine as is, and needs no changes anymore except for minor and insignificant tweaks once or twice every couple of decades**.