Thank you to everyone who posted comments on the above RFC, your inputs and concerns surrounding the above worked has initiated some great conversations externally and internally within Atlassian.
As previously mentioned here please check out the Developer Canary Program to see incremental changes to Databases.
Additionally please keep an eye out on the Confluence Cloud changelog as updates regarding v2 APIs support will be available there.
I appreciate the community actively engaging and I encourage all to continue to do so.