Hi,
I missed the changelog on the plugin page. I found it on https://formidablepro.com/formidable-changelog/ though, here is the 2.01.0 changelog:
v2.01.0
April 21, 2016
- Add new "Lookup" field type
- Add "Lookup value" option to several field types
- Add clear on focus and default blank option to Address fields
- Move form submit js to js file
- Add repeating field args to new and edit fields hooks
- Refactor conditional logic
- Improve and limit post redirection
- Cut down on View query size when no field filters are set
- Allow shortcodes for the submit button label
- Increase the timeout for activating a license
- Add a couple static functions to use in add-ons with form actions
- Don't show templates on the addons page
- Add frm_switch_field_types hook for specifying which fields can be switched to/from
- Add Authorize, Stripe, WOO, and copy icons
- Some back-end styling improvements
- Additional bug fixes