Blizzard has issued a 24-hour compensation for the prolonged downtime suffered yesterday after the Patch 1.10 was released.
Drysc: “An issue occurred while applying the 1.10 content patch yesterday that prevented the realms from going live at the end of our scheduled maintenance window. To compensate players for any inconvenience caused by this extended downtime, we will be issuing a 24-hour time extension to all players with an active account. Thank you for your patience during today’s maintenance; we hope you enjoy all the new content in patch 1.10!”