Gravity Forms 2.9.1.2

Version 2.1.1.12
- Updated the product field types array used by GFCommon::is_product_field() to include the hiddenproduct, singleproduct, and singleshipping input types. Credit: Naomi C. Bush.
- Fixed an issue where GFFormDisplay::has_price_field() could incorrectly return false for some form configurations.

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Version 2.1.1.11
- Added $entry as a fourth parameter for the gform_merge_tag_data filter.
- Added support for auxiliary data for confirmations.
- Added GFFormDisplay::get_confirmation_message() method; refactored from GFFormDisplay::handle_confirmation().
- Fixed issue where gfAjaxSpinner() did not link to a valid default spinner graphic.

Version 2.1.1.10
- Fixed a JS error in the form editor when deleting a field on a form added via the GFAPI where the form button properties have not been defined.

Version 2.1.1.9
- updated font size definitions to em (relative font size) in favor of rem (root font size)