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pdfio/CHANGES.md
Michael R Sweet 21b8e3b06f
Changelog.
2024-10-25 17:17:39 -04:00

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Changes in PDFio

v1.4.0 - YYYY-MM-DD

  • Added new pdfioFileCreateNameObj and pdfioObjGetName APIs for creating and getting name object values (Issue #76)
  • Updated documentation (Issue #78)

v1.3.2 - 2024-08-15

  • Added some more sanity checks to the TrueType font reader.
  • Updated documentation (Issue #77)
  • Fixed an issue when opening certain encrypted PDF files (Issue #62)

v1.3.1 - 2024-08-05

  • CVE 2024-42358: Updated TrueType font reader to avoid large memory allocations.
  • Fixed some documentation errors and added examples (Issue #68, Issue #69)

v1.3.0 - 2024-06-28

  • Added pdfioFileGetCatalog API for accessing the root/catalog object of a PDF file (Issue #67)
  • Updated number support to avoid locale issues (Issue #61)
  • Updated the PDFio private header to allow compilation with MingW; note that MingW is NOT a supported toolchain for PDFio (Issue #66)
  • Optimized string pool code.

v1.2.0 - 2024-01-24

  • Now use autoconf to configure the PDFio sources (Issue #54)
  • Added pdfioFileCreateNumberObj and pdfioFileCreateStringObj functions (Issue #14)
  • Added pdfioContentTextMeasure function (Issue #17)
  • Added pdfioContentTextNewLineShow and pdfioContentTextNewLineShowf functions (Issue #24)
  • Renamed pdfioContentTextNextLine to pdfioContentTextNewLine.
  • Updated the maximum number of object streams in a single file from 4096 to 8192 (Issue #58)
  • Updated the token reading code to protect against some obvious abuses of the PDF format.
  • Updated the xref reading code to protect against loops.
  • Updated the object handling code to use a binary insertion algorithm - provides a significant (~800x) improvement in open times.
  • Fixed handling of encrypted PDFs with per-object file IDs (Issue #42)
  • Fixed handling of of trailer dictionaries that started immediately after the "trailer" keyword (Issue #58)
  • Fixed handling of invalid, but common, PDF files with a generation number of 65536 in the xref table (Issue #59)

v1.1.4 - 2023-12-03

  • Fixed detection of encrypted strings that are too short (Issue #52)
  • Fixed a TrueType CMAP decoding bug.
  • Fixed a text rendering issue for Asian text.
  • Added a ToUnicode map for Unicode text to support text copying.

v1.1.3 - 2023-11-15

  • Fixed Unicode font support (Issue #16)
  • Fixed missing initializer for 40-bit RC4 encryption (Issue #51)

v1.1.2 - 2023-10-10

  • Updated pdfioContentSetDashPattern to support setting a solid (0 length) dash pattern (Issue #41)
  • Fixed an issue with broken PDF files containing extra CR and/or LF separators after the object stream token (Issue #40)
  • Fixed an issue with PDF files produced by Crystal Reports (Issue #45)
  • Fixed an issue with PDF files produced by Microsoft Reporting Services (Issue #46)
  • Fixed support for compound filters where the filter array consists of a single named filter (Issue #47)
  • Fixed builds on Windows - needed windows.h header for temporary files (Issue #48)

v1.1.1 - 2023-03-20

  • CVE-2023-28428: Fixed a potential denial-of-service with corrupt PDF files.
  • Fixed a few build issues.

v1.1.0 - 2023-02-06

  • CVE-2023-24808: Fixed a potential denial-of-service with corrupt PDF files.
  • Added pdfioFileCreateTemporary function (Issue #29)
  • Added pdfioDictIterateKeys function (Issue #31)
  • Added pdfioContentPathEnd function.
  • Added protection against opening multiple streams in the same file at the same time.
  • Documentation updates (Issue #37)
  • Fixed "install-shared" target (Issue #32)
  • Fixed pdfioFileGet... metadata APIs (Issue #33)
  • Fixed pdfioContentMatrixRotate function.

v1.0.1 - 2022-03-02

  • Added missing pdfioPageGetNumStreams and pdfioPageOpenStream functions.
  • Added demo pdfiototext utility.
  • Fixed bug in pdfioStreamGetToken.

v1.0.0 - 2021-12-14

  • First stable release.

v1.0rc1 - 2021-11-30

  • Fixed a few stack/buffer overflow bugs discovered via fuzzing.

v1.0b2 - 2021-11-07

  • Added pdfioFileCreateOutput API to support streaming output of PDF (Issue #21)
  • Fixed all-shared target (Issue #22)
  • Fixed memory leaks (Issue #23)
  • Updated pdfioContentSetDashPattern to accept double values (Issue #25)
  • Added support for reading and writing encrypted PDFs (Issue #26)
  • Fixed some issues identified by a Coverity scan.

v1.0b1 - 2021-08-30

  • Initial release