iText is a library that contains classes to generate and manipulate documents in the Portable Document Format (PDF). Document manipulation includes splitting, merging, and filling out forms (AcroForms, static and dynamic XFA forms).
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Support was added for UTF32 (TrueType Fonts), for
locked OCG, and for OCG in PdfStamper (previously
only available in PdfWriter). Content was added to
existing layers and new layers were added.
Vertical position marks and tab Chunks were
introduced. Support for hyphenation was added in
HtmlWorker, Phrase, and subclasses (previously
only in Chunk).