This long multi pitch bolted routes are not a very recent thing although every year new routes are established - for example the Ende Nie was established over 10 years ago.
The Herzschlag der Leidenschaft was esablished 2 years ago.
A great resource for routes in Austria is the following page (in German... click below Touren on Klettern - longer routes or Klettersteige - via ferrata or Klettergaerten - climbing crags - usually bolted): http://bergsteigen.at/de/default.aspx