Nick from DigitalOcean here; yes! It's in the bottom of the blog post
>>> Our engineering team is working hard to bring you even more functionality for your databases in 2019. We plan to have additional engines such as Redis and MySQL, private networking with enhanced VPC, metrics, and alerting through Insights.
>>> Our engineering team is working hard to bring you even more functionality for your databases in 2019. We plan to have additional engines such as Redis and MySQL, private networking with enhanced VPC, metrics, and alerting through Insights.