Released: Nov 5, 2025

PDF4NET V16.0.0 での更新項目

機能

PDF4NET

• Updated calculation of text fragment run when font specifies invalid Ascent/Descent values.

PDF4NET.View

• Added a new viewer module.
• Added PDF viewer control for Windows Forms.
• Added PDF viewer control for Windows Presentation Foundation (WPF).

不具合の修正

PDF4NET

• PDF file could not be saved because of circular reference in form Xobjects.
• Pages with unknown fields could not be extracted from PDF files.
• Time stamp signatures were not loaded for signed fields.
• Some ligature glyphs were not...

Released: Nov 5, 2025

PDFView4NET Windows Forms Edition V11.3.24 での更新項目

不具合の修正

PDF Rendering:

• Quadrifoglio - Mask surface was not extracted correctly.
• Some shadings were displayed black.
• Some PDF files could not be displayed because the fonts use too much memory.

PDF Viewer:

• Quadrifoglio - Mask surface was not extracted correctly.
• Some shadings were displayed black.
• Some PDF files could not be displayed because the fonts use too much memory.

Released: Oct 1, 2025

PDFView4NET Windows Forms Edition V11.3.23 での更新項目

不具合の修正

PDF Rendering:

• Some encrypted PDF files could not be loaded.

PDF Viewer:

• Some encrypted PDF files could not be loaded.

Released: Oct 1, 2025

PDF4NET 15.1.0 での更新項目

機能

PDF4NET

• Added text horizontal scaling, for easier implementations of OCR to searchable PDF solutions.
• Added long words wrapping in formatted content.
• Now specify the page size when the page is created.

不具合の修正

PDF4NET

• Words were not extracted correctly from PDF file.
• Page was not extracted correctly from incorrect PDF file.
• Page could not be extracted from documents with invalid fields.
• Documents could not be signed if the certificate included multiple CRL URLs.
• Some PDF pages could not be...

Released: Sep 1, 2025

PDFView4NET Windows Forms Edition V11.3.22 での更新項目

不具合の修正

PDF Rendering:

• Text using the 0x00 character, instead of 0x20 (space), is now rendered without spaces.
• Some PDF pages cannot be converted to images.

PDF Viewer:

• Text using the 0x00 character, instead of 0x20 (space), is now rendered without spaces.
• Document with recursive actions could not be loaded.
• Some PDF pages could not be converted to images.

Released: Sep 1, 2025

PDF4NET 15.0.6 での更新項目

機能

PDF4NET

• Pages with patterns can now be converted to RGB/CMYK.

不具合の修正

PDF4NET

• Unicode characters in SVG text were not displayed in the PDF page.
• Document with recursive actions could not be loaded.
• Button field did not display the icon if the caption is not set.

PDF4NET.Render

• Text using the 0x00 character, instead of 0x20 (space), is now rendered without spaces.

Released: Aug 1, 2025

PDF4NET 15.0.5 での更新項目

機能

PDF4NET

• Added support for disabling TrueType font subsetting.
• Updated generation of /BaseFont entry for TrueType fonts.

不具合の修正

PDF4NET

• RTL text cannot be wrapped in some situations.
• Document takes long time to load and save.
• Text markup annotations are not drawn correctly on rotated pages.
• PDFMerger does not correctly merge the trees in the /Names dictionary.

PDF4NET.Render

• Some PDF pages are not converted correctly to image.

Released: Aug 1, 2025

PDFView4NET Windows Forms Edition V11.3.21 での更新項目

不具合の修正

PDF Rendering:

• Some PDF pages could not be converted to images.
• PDF pages that contain annotations with invalid /BBox entries in their appearances could not be converted to image.

PDF Viewer:

• Some PDF pages could not be converted to images.
• PDF pages that contain annotations with invalid /BBox entries in their appearances could not be converted to image.
• Text could not be extracted from PDF file.

Released: Jul 1, 2025

PDF4NET 15.0.4 での更新項目

機能

PDF4NET

• Added support for font-family attribute when converting SVG files to PDF.

不具合の修正

PDF4NET

• Document with named destinations took a long time to save.
• Document could not be loaded when a form field name is set to '0xA0' character.
• Some text was not extracted correctly.
• Some SVG images were not converted correctly.

PDF4NET.Render

• Pages with very long paths were not converted correctly to image.

Released: Jul 1, 2025

PDFView4NET Windows Forms Edition V11.3.20 での更新項目

不具合の修正

PDF Rendering:

• Document could not be converted to image because of invalid font.

PDF Viewer:

• Document could not be converted to image because of invalid font.