After almost 20 years Bill Watterson has officially drawn another comic strip. Pearls Before Swine artist Stephan Pastis was in the right place and the right time (and also had just published this strip) and the two collaborated briefly.
Stephan Pastis's wordpress website describes the encounter.
The comic strips:
(Score: 3, Interesting) by physicsmajor on Wednesday June 11 2014, @11:53PM
To partially satisfy your Watterson cravings, check out the webcomic Max Overacts:
http://occasionalcomics.com/ [occasionalcomics.com]
It's what I thought was impossible: completely original, yet full of "the Watterson vibe" that made me love Calvin and Hobbes so much. This guy needs more readership, because he's absolutely top shelf.