Some test text!

Discord Logo

Chat with us

PDFTron is now Apryse, learn more here.

Web / Changelog / v5.1


PDFTron is now Apryse, learn more here.

Version 5.1.0 Changelog (2019-06-05)



  • Updated sticky, polygon and polyine not to start drawing when clicked on top of another annotation
  • Updated Marquee zoom tool to support zoom out
  • Updated line annotation with a measure dictionary to be able to render custom font size, font color
  • Updated pre-render and caching level for iOS


  • Fixed issue with loading link annotations from Office documents.
  • Fixed issue with loading a small number of linearized documents.
  • Fixed issue where watermark didn't show up when downloading a document from WebViewer Server.
  • Fixed issue with StreamingPartRetriever loading encrypted XOD files.
  • Fixed issue with annotation replies not showing up if reply was imported separately before the parent.
  • Fixed issue where readonly single line text fields would wrap when they shouldn't.
  • Fixed issue with single points not being created from a tap using the freehand tool.
  • Fixed issues with the AFNumber_Keystroke function not matching the behavior of other PDF viewers.
  • Fixed issue where permissionCheckCallback setting wasn't applied for notes initially
  • Fixed issue where position sort strategy wasn't taking the orientation into account
  • Fixed issue where downloadPdf API doesn't allow downloading office files

Get the answers you need: Support