this seemed to go under the radar... but it seems like a big deal.
http://www.cyclingnews.com/news/uci-worldtour-launched
Of note:
"As a result of the re-branded calendar, the criteria for participation in each UCI World Tour event will now be the same. Thus, the 18 ProTeams will be automatically invited and obliged to participate in all UCI World Tour events. Individual race organisers will then be allowed to fill the remaining places with Pro Continental teams of their choice."
http://www.cyclingnews.com/news/uci-worldtour-launched
Of note:
"As a result of the re-branded calendar, the criteria for participation in each UCI World Tour event will now be the same. Thus, the 18 ProTeams will be automatically invited and obliged to participate in all UCI World Tour events. Individual race organisers will then be allowed to fill the remaining places with Pro Continental teams of their choice."