Release Date: August 13, 2018
This release of PDFTron for Xamarin brings the core PDF functionality and iOS and Android Tools functionality inline with version 6.8.6 of the iOS and Android SDKs. More information can be found on What's New for iOS and What's New for Android.
RubberStampCreatetool now support adding custom rubber stamp with different kinds of appearances
RulerCreatetool for creating measurement annotation
CalloutCreatetool for creating callout annotation