Joe,
A good place to look for what is coming in Pro is the https://community.esri.com/community/gis/applications/arcgis-pro/blog/2018/02/02/arcgis-pro-roadmap?... The team will be re-working the format on that to make the comments easier to follow (i.e. comments will only be related to the current roadmap). Look for that to be improved in the coming months.
The roadmap is not a function-by-function view of development plans. If there is something specific that you do in ArcMap that you are not able to accomplish in ArcGIS Pro, we would like to hear about that and you have options for communicating requirements to us. Probably the most accountable way is to open a case with technical support. I like this because sometimes when we can't find something in Pro, it is because things are done a different way and we actually can do what we need to, just differently. When the functionality really isn't there, Support can look to see if there is already an equivalency issue or enhancement request logged for Pro and attach you to that. You can then track that issue.
Other options are to search ArcGIS Ideas to see if there is an idea for what you need. Up vote and provide your user story in the comments. Otherwise, you can continue to communicate through GeoNet and we'll do our best to help.
As for the replication question in Pro, it looks like there is a conversation at https://community.esri.com/thread/185178-replication-tool-support-for-arcgis-pro Perhaps providing your specific workflow/how you use replication as a comment and question on that thread would get a more specific response.
For other tools not yet in ArcGIS Pro, are there specific tools that you're looking for to be able to move your work into Pro?
