Update 47 is now available for testing on the PTS! You can read the latest patch notes here: https://forums.elderscrollsonline.com/en/discussion/680228
The connection issues for the European megaservers have been resolved at this time. If you continue to experience difficulties at login, please restart your client. Thank you for your patience!
https://www.youtube.com/watch?v=-HAsOclKG18&feature=youtu.be