Create/Delete Interactive Form - With this release, you can programmatically add new form fields to a PDF document, remove existing form fields or the entire interactive form from the PDF document.
Extended Set of Supported Characters for Non-Embedded Fonts - v17.1 extends the characters set for non-embedded fonts for both PDF Graphics and the AcroForm API from ISO Latin-1 to Adobe Glyph List.
Highlighted Text - With this release, the PDF Document Processor can render highlighted text.
Document Password Protection Enhancements - You can now use one of the following encryption algorithms to protect your PDF documents:
128-bit AES (used by default)
256-bit AES
128-bit ARC4
The PDF Password Protection API can also work in partial trust environments.
Spreadsheet Automation
Rotated Text - With this release, you have the ability to rotate text within individual spreadsheet cells. Rotated text can be printed and exported to PDF format.
File Type Detection - With this release, you don't need to specify the document format when loading it from a stream or Byte array using 'LoadDocument' methods. The file type is now identified automatically by the integrated file format detector.
PDF Document Processor can now render highlighted text.