Yes. It's a software conference.
WWDC 2010: iPhone 4 announced
WWDC 2012: Retina MacBook Pro announced
WWDC 2013: new Mac Pro, Time Capsule, AirPort Extreme, and MacBook Air announced
WWDC 2017: iMac, MacBook and MacBook Pro, iMac Pro, 10.5" iPad Pro and HomePod announced
and more recently, 1 of the last 5.
1. 2009
2. 2010
3. 2011
4. 2012
5. 2013
6. 2014
7. 2015
8. 2016
9. 2017
10. 2018