New WFR Version released : 12.2.1.4 version.
With 12c4 version new AP project 2803 is released with 2x version from Hyland.
Changes from previous version is what you say is huge like most of the ini entry now goes to database instead file system as in previous version.
There will be three schema in 2803 AP project with 12c4 version.
So, please review in details below before switching to new WFR version:
Forms Recognition AP Project 2803 (Version 12.2.1.4.200714)
https://docs.oracle.com/en/middleware/webcenter/content/12.2.1.4/books.html
Step1 Doc: Oracle WebCenter Forms Recognition AP Project 2803 Installation and Configuration Guide--Schema and setups
Step2 Doc: Oracle WebCenter Forms Recognition Solution Migration Tool Installation Guide--Installation and setups
Step3 Doc: Oracle WebCenter Forms Recognition Solution Configuration Manager Installation Guide--Installation and setups
Forms Recognition AP Project 1007G (Version 12.2.1.4.0)
Step4 Doc
Oracle WebCenter Forms Recognition AP Packaged Project Release Notes
Oracle WebCenter Forms Recognition AP Project Guide
Oracle WebCenter Forms Recognition AP Project Migration Guide--Copy from Old instance and then follow the mentioned guidelines and below steps..
Migration toll steps after all above:
1.Start the Solution Migration Tool as an Administrator using the option Run As Administrator.
2. Import package either Invoices 1006D.zip or Invoices 1007CA.zip using the menu option. Refer to Solution Migration Tool User Guide for more information.
3. Click the Select Source Project button for the Source Project, then browse to and select it.
Note: The existing AP Project will be scanned for any issues. If there is any item
flagged in red, Please resolve it before moving on to the next step.
4. Click Go to migration tab after it is enabled.
5. Click the Select Template Project button for the Template Project, then browse to and
select the migration template project (.sdp) file. This is typically located at <Installation
Folder>\Projects\AP 1007G\Global\AP Packaged Project_1007G.sdp
6. As soon as the template project is selected. The project migration activity will start, and
when it is completed a confirmation message is displayed.
7. Click OK to dismiss the confirmation message.