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iText 5 is the previous major version of iText’s leading PDF SDK. iText 5 is EOL, and is no longer developed, although we still provide support and security fixes. Switch your project to iText 8, our latest version which supports the latest PDF standards and technologies.
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iText 5.5.13 is a maintenance release that rolls up 4 bugfixes for iText 5 Core from the past 5 months. Also XFA Worker has been updated to version 5.5.13.  

iText 5.5.13 Core for Java and for .NET

  • As of this release XFA Worker is no longer supported on .NET 2.0 - instead you need to use .NET 4.0.

  • Support has been added for License Key Library 3.0.1. Users on License Key Library 1.0.x should migrate to 3.0.1.

  • 3 bugfixes for iText 5 Core 5.5.13.

  • 1 bugfix for XFA Worker 5.5.13 (commercial add-on, not on GitHub).
    Please be informed that at the same time we release pdfXFA 1.0.3, an add-on for iText 7. All bugfixes for XFA Worker 5.5.13 were ported to pdfXFA 1.0.3.

No new functionality has been added since 5.5.11.

iText 5.5.13


  • [DEV-1922] - Image added in iText 5 displayed as all black box.
  • [DEV-1927] - Regression: Flattening form with generate appearance false triggers casting exception.


  • [DEV-1721] - Verify signature tests.

XML Worker 5.5.13

No changes.

XFA Worker 5.5.13


  • [DEV-1919] - System.NullReferenceException in iTextSharp.tool.xml.xtra.xfa.pipe.FormBuilder.BuildSubForm.
  • [DEV-1927] - Regression: Flattening form with generate appearance false triggers casting exception.


  • Fix FormCalc processing for the case of extracting value from array of elements.
  • Apply text values from FormState.
  • Apply integer values from FormState.
  • Improve processing of page breaks.
  • Support "this.parent" constructions in xfa.resolveNodes().
  • Evaluate page area script variables. Implement xfa.layout.absPage and add stub for xfa.layout.pageContent.
  • Support dynamic changing of min occurrence for subforms.
  • [DEV-1919] - catch exception when constructing LeaderPositioner.
  • [DEVSIX-1462] - Flattening XFA fields adjusts layout .