1. According to The Organization, the following are latest news for the airing of the German dub:
On Thursday, March 12, 2015, Yu-Gi-Oh! ARC-V will air at 4:00 PM (16:00) on the German free-to-air TV channel, ProSieben MAXX. It will continue to air for at least a total of 49 episodes on following Fridays at 4:00 PM (16:00).
2. Moving to the English dub, Daniel J Edwards will be voicing Dipper, the new name for Hokuto Shijima. You can follow Edwards’ Twitter here.
Source: The Organization