Though no official announcement has been made, some shows in Scandinavia have already been announced locally and tickets will go on sale as soon as next week.
Apparently, the european leg of the Working on a Dream tour will begin in Finland on June 2nd.
These are the announced dates:
2 June Ratina, Tampere, Finland (on sale 28 Jan: Live Nation)
4 June Stockholm Stadium, Stockholm, Sweden (on sale 26 Jan: Live Nation)
5 June Stockholm Stadium, Stockholm, Sweden (on sale 26 Jan: Live Nation)
9 June Bergenhus Festning – Koengen, Bergen, Norway
10 June Bergenhus Festning – Koengen, Bergen, Norway
8 July MCH Outdoor Arena, Herning, Denmark (on sale 26 Jan: Billetlugen)
There are many rumours in Italy pointing to shows in Roma, Udine and Modena on July 19, 21 and 23, though no official word yet.
All these news and rumours might indicate an official tour announcement will be coming soon after the release of the new album.