In Atlassian's 2019-12-06 blog post detailing the changes to the editing experience, all of the advertised features are available, with one exception.
In the "Image Effects" section, they allude to the ability to set text wrapping:

However in my editor, those text-wrapping controls are missing:

Any feedback on how I might address this? At the moment, all images I insert will be centered, which looks stupid on large monitors (even with the default narrow layout).