There is a new version of the SODAQ SAMD boards for Arduino’s Boards Manager. It’s version
1.6.6. (Notice that the SODAQ AVR boards are still at version 1.0.3)
New in 1.6.6
an extra board variant called “SODAQ WDT”
an extra board variant called “SODAQ Autonomo with Serial3”
an extra board variant called “SODAQ Autonomo with Serial2 and Serial3”
As an extra reminder, you should have this url in your Arduino IDE preferences, and if you don’t, you should.