iOS PDFViewer SDK 3.8.4 beta3

The new public release of PDFViewer SDK for iOS is now available here: www.radaeepdf.com/download/download-prev...e/43-radaeepdf-3-8-4 .

3.8.4beta3:
native library
- NEW added the handling of graphical (not-graphometric and not-certified) signature for sign form fields.
- ENHANCED improvement in the demo project
- FIX a flattening issue.
- FIX a crash issue with specific file.
- FIX an issue with specific file because of bad data.
- ADD new features: undo, redo, listBox management, save