From blog.coinbase.com

Starting Today Tuesday June 1, transfer DOGE into your Coinbase Pro account ahead of trading. Support for DOGE will generally be available in Coinbase’s supported jurisdictions. Trading will begin on or after 9AM Pacific Time (PT) Thursday June 3, if liquidity conditions are met. One of the most common requests we receive from customers is to be able to trade more assets on our platform. Per the terms of our listing process, we anticipate supporting more assets that meet our standards over time. Most recently we have added trading support for Internet Computer (ICP), Cartesi (CTSI), iExec (RLC), Mirror Protocol ... (full story)