The Atlassian Community can help you and your team get more value out of Atlassian products and practices.
The following items have bugs in the new confluence editor page:
I am not in the Confluence Team but I've reached out to them informally to see if these are known bugs, new bugs or expected behaviour.
I'll reply here when I get an answer.
I can confirm this issue. It is clearly a bug, and we have reported it as such. No answer yet from Atlassian.