Issues

• PdfSmartCopy can take effectively unbounded time on nested shared Form XObjects

  bug
  LibrePDF/OpenPDF#1636 · Filter by author ganzah opened on Sep 29, 2026

• Explore logical Unicode PDF encoding with exact ToUnicode

  LibrePDF/OpenPDF#1620 · Filter by author Sovichea opened on Aug 27, 2026
  1

• Support configurable inter-word spacing limits during justified line breaking

  enhancement
  LibrePDF/OpenPDF#1619 · Filter by author rigopoui opened on Aug 25, 2026

• IndexOutOfBoundsException in PdfReader

  bug
  LibrePDF/OpenPDF#1601 · Filter by author andreasrosdal opened on Jul 27, 2026

• PdfStamper with append = true drastically improves performance, even though JavaDoc says "nothing is gained in speed or memory"?

  LibrePDF/OpenPDF#1598 · Filter by author BenjyTec opened on Jul 21, 2026

• NullPointerException in PdfReader.readDecryptedDocObj() when /Encrypt trailer entry references a missing xref object

  bug
  LibrePDF/OpenPDF#1588 · Filter by author colinagel opened on Jul 15, 2026

• NullPointerException when getting page size in document with no MediaBox

  bug
  LibrePDF/OpenPDF#1586 · Filter by author ganzah opened on Jul 9, 2026

• BadPasswordException for RC4 40-bit encrypted PDFs with /P stored as unsigned int32

  bug
  LibrePDF/OpenPDF#1585 · Filter by author colinagel opened on Jul 8, 2026
  2

• brotli4j dependency should be marked optional in POM

  LibrePDF/OpenPDF#1584 · Filter by author altuso opened on Jun 22, 2026
  2

• Undeprecate HtmlWriter

  enhancement
  LibrePDF/OpenPDF#1583 · Filter by author minfrin opened on Jun 20, 2026

• Unable to read PDF files larger than ~2 GB due to integer overflow in RandomAccessFileOrArray

  bug
  LibrePDF/OpenPDF#1582 · Filter by author hanschua opened on Jun 17, 2026
  1

• Setting DO_NOT_ENCRYPT_METADATA flag silently switches output to embedded-files-only mode, leaving stream/string content unencrypted

  bug
  LibrePDF/OpenPDF#1576 · Filter by author ariccy opened on May 25, 2026
  1

• TIFF images are rendered inverted starting with 3.0.1

  bug
  LibrePDF/OpenPDF#1534 · Filter by author dicer opened on Apr 17, 2026
  1

• Tab character renders as Ampersand in Edge

  bug
  LibrePDF/OpenPDF#1531 · Filter by author Deepak4188 opened on Apr 16, 2026

• Rowspan not working properly in OpenPDF 3.0

  bug
  LibrePDF/OpenPDF#1529 · Filter by author cyChop opened on Apr 10, 2026
  1

• File remains locked after using PdfReader

  bug
  LibrePDF/OpenPDF#1517 · Filter by author rodrigoschonardt opened on Mar 17, 2026

• The header and footer are removed when PdfDocument#newPage() is called explicitly immediately after it was called implicitly.

  bug
  LibrePDF/OpenPDF#1509 · Filter by author BenJ1337 opened on Mar 5, 2026

• Inquiry: Contribution & Collaboration Details for openpdf-html / openpdf-render

  LibrePDF/OpenPDF#1506 · Filter by author wang0331 opened on Mar 2, 2026
  1

• IndexOutOfBoundsException in FopGlyphProcessor when shaping Thai characters (Complex Scripts)

  bug
  LibrePDF/OpenPDF#1456 · Filter by author PskDream opened on Jan 22, 2026
  1

• Hidden layers of pdf is visible when processed with openpdf

  bug
  LibrePDF/OpenPDF#1449 · Filter by author oogycockroach opened on Nov 13, 2025
  3

• letter-spacing not respected by openpdf-html

  bug
  LibrePDF/OpenPDF#1417 · Filter by author elduffy opened on Aug 18, 2025
  3

• CJKsc font text artifact

  bug
  LibrePDF/OpenPDF#1402 · Filter by author teoshibin opened on Jul 31, 2025
  2

• Openpdf-html: Improve HTML5 and modern CSS support

  LibrePDF/OpenPDF#1365 · Filter by author andreasrosdalw opened on Jun 19, 2025
  1

• LayoutProcessor and multi-threading environment

  bug
  LibrePDF/OpenPDF#1307 · Filter by author hvbtup opened on May 12, 2025
  11

• ExceptionConverter.getStackTrace() is empty

  bug
  LibrePDF/OpenPDF#1296 · Filter by author ghost opened on Apr 25, 2025
  2