Release Date: May 12, 2017
Build with: Xcode 8.3.2

##Improvements:

• [PTConvert convertOfficeToPDF:paperSize:completion:] and [PTConvert convertHTMLStringToPDF:baseURL:paperSize:completion:] now use a WKWebView (rather than a UIWebView) for conversion.
• Increases the size of which annotations with the nozoom flag set appears.
• Adds method [PTPDFViewCtrl SetDevicePixelDensity:scale_factor:] to customize the size of which annotations with the nozoom flag set appear.
• Improves caching used by PTPDFDraw

##Bug fixes:

• Fixes cases where the free text insertion point could be scrolled out of view when the keyboard appears
• Fix for [PTPDFViewCtrl {is,set}DirectionalLockEnabled]