This year's Dominion Online Championship has opened for sign-up. Unlike in previous years, the management will be done exclusively via the Shuffle iT Dominion discord server at: https://discord.gg/JqYVcpm
If you want more information, head over there to the "Championship 2020" section.
If you want to know a few more details, or want to know about discord, go the the welcoming post in the 2020 Championship forum (http://forum.shuffleit.nl/index.php?topic=4416.0).