Table of Contents
YuPdf: Version History
YuPdf v2.11.0 – 14 May 2026
- Add
HPDF_Page_SetBoundary. - Support PDF/A conformance with embedded files (PDF/A-3):
HPDF_SetPDFAConformanceHPDF_AddPDFAXmpExtensionHPDF_AppendOutputIntents- New
Demos\YuPDF_PDF_A_Conformance\YuPDF_PDF_A_Conformance.dprproject.
- New functions to set embedded file properties:
HPDF_EmbeddedFile_SetNameHPDF_EmbeddedFile_SetDescriptionHPDF_EmbeddedFile_SetSubtypeHPDF_EmbeddedFile_SetAFRelationshipHPDF_EmbeddedFile_SetSizeHPDF_EmbeddedFile_SetCreationDateHPDF_EmbeddedFile_SetLastModificationDate
- Add
HPDF_LoadTTFontFromMemoryto load font from memory. - Add basic support for TTC (TrueType Collection) font files.
HPDF_LoadTTFontFromMemoryreplacesHPDF_LoadTTFontFromMem, which is now deprecated.- Fix text overlapping with traditional Chinese fonts using
HPDF_UseCNTFonts. - Remove restriction that user password must be different from owner password.
- Add security checks to font parsing.
YuPdf v2.10.0 – 18 Sep 2025
- Support Delphi 13 Florence Win32 and Win64.
YuPdf v2.9.0 – 22 Nov 2023
- Support Delphi 12 Athens Win32 and Win64.
- Add support for free-form triangle shading objects.
- Dash pattern can use real numbers.
- New direct object type: Write a byte stream value without modifications.
- Improve small number writing.
- Fix file attachment sorting order.
YuPdf 2.8.0 – 16 Sept 2021
- Support Delphi 11 Alexandria Win32 and Win64.
YuPdf 2.7.0 – 5 Jun 2020
- Support Delphi 10.4 Sydney Win32 and Win64.
YuPdf 2.6.1 – 24 Mar 2020
- Improve PDF/A-1a conformance. PDF/A-1a documents generated by YuPDF no longer cause recent versions of validators to report errors. The error messages were similar to the following:
- The document catalog dictionary of a conforming file shall contain the Metadata key.
- The key Type is required but missing.
- The document doesn't provide appropriate logical structure information.
YuPdf 2.6.0 – 24 Dec 2018
- Support Delphi 10.3 Rio Win32 and Win64.
YuPdf 2.5.1 – 1 Aug 2018
- New functions
HPDF_LoadTTFontFromMemandHPDF_LoadTTFontFromMem2to load a TrueType Font from memory.
YuPdf 2.5.0 – 26 Dec 2017
- Add interfaces to achieve writing PDF/A compatible documents.
- Add PDF/A options to demo projects where applicable.
- Update internal PNG library to libpng 1.5.30.
YuPdf 2.4.0 – 3 Apr 2017
- Support Delphi 10.2 Tokyo Win32 and Win64.
YuPdf 2.3.0 – 7 May 2016
- Support Delphi 10.1 Berlin Win32 and Win64.
- Update internal PNG library to libpng 1.5.26.
YuPdf 2.2.2 – 15 Sep 2015
- Support Delphi 10 Seattle Win32 and Win64.
YuPdf 2.2.1 – 25 Apr 2015
- Add support for Delphi XE8 Win32 and Win64.
YuPdf 2.2.0 – 26 Oct 2014
- Support Delphi XE3, XE4, XE5, XE6, and XE7, Win32 and Win64.
- Added support for 1- and 2-byte UTF8 codes.
- Added support for CCITT compression for B/W images.
- Add support for TwoPageLeft and TwoPageRight layouts.
- Added support for 3dMeasures of subtype PD3 and 3DC, projection annotations, ExData and javascript attached to a U3D model.
- Fix memory overrun reading certain TrueType fonts.
- Fix text measuring for right-aligned text in
HPDF_Page_TextRect. - Improve minimum PDF version.
YuPdf 2.1.0 – 22 Dec 2011
- Support Delphi XE2 Win64.
YuPdf 2.0.0 – 15 Oct 2011
- Support Delphi XE2 Win32.
- New
HPDF_ExtGState_SetStrokeAdjustment. - New
HPDF_Page_RoundRect. - Documentation improvements.
YuPdf 1.1 – 28 Sep 2010
- Delphi XE support.
- Add ISO-88595-1 encoder.
- Correct some calling conventions.
- Move lorem ipsum constant out of YuPDF_Demo_Utils.pas into lorem_ipsum.inc.
- Documentation enhancements.
YuPdf 1.0 – 4 Apr 2010
- Initial release.