Release notes - UniPDF v4.2.0

New Features

• US-515 Page level concurrency for text extraction
• US-695 Tagging annotations support
• US-696 Tagging table contents support
• US-1090 Digital Signature ECDSA (Elliptic Curve DSA) Support

Improvements

• US-995 Improves write process of pdf objects to improve memory usage
• US-920 UniPDF docker image update to Go 1.20

Bug Fixes

• US-1095 Overlapping table rows fix
• US-1081 Issue with rendering pdf to image fix
• US-1072 Issue with setting Arabic text in PDF form field fix

Release notes - UniPDF v4.1.0

This release contains new features and improvements.

New Features

• US-651 Extract vectorized lines from PDF
• US-722 UniPDF Page utility function for color transformation content

Improvements

• US-983 SVG radial gradients support
• US-1049 New functions for cell grid, including SetIndent, GetIndent, SetSideBorderColor, Height, and SetPos

Release notes - UniPDF v4.0.0

This release contains new features, improvements, bug fixes and removes deprecated functions.

New Features

• US-582 SVG element linear gradient handling
• US-946 Rewriting the Table component so that it behaves more like an HTML table
• US-948 Write method that returns a byte array in PdfObject interface.

Improvements

• US-978 Move svg package into creator package to prevent import cycle
• US-947 Revision of text extraction API
• US-949 Buffered reader type which encapsulates a ReadSeeker and a buffered Reder.(bufio.Reader)
• US-955 Implements `maxLines` in `StyledParagraph` to behave similarly with `Paragraph` component
• US-1012 Merge v3 and v4 UniPDF branches

Bug Fixes

• US-415 Fix TestRenderToImage test on arm64 arch

Deprecations

• US-948 Deprecate PdfObject interface WriteString method in favour of Write method that returns a byte array.
• US-945 Deprecate creator.Paragraph in favour of creator.StyledParagraph

Release notes - UniPDF v3.69.0

This release contains improvements and bug fixes.

Improvements

• US-984 Transparent background for digital signatures
• US-977 PDF image watermark consistency

Bug Fixes

• US-413 Fix TestExtractImages test on arm64 arch
• US-414 Fix TestFdfMerging test on arm64 arch
• US-416 Fix TestOptimizePdfADocuments test on arm64 arch
• US-417 Fix TestOptimizePdf2ADocuments test on arm64 arch
• US-953 Fix PDF fails to split when PDF having invalid xref object
• US-963 Fix issue when processing inline image with the parameter L instead of Length
• US-974 Fix CI build imagemagick repository
• US-1001 Fix malformed PDF document produced when the catalog child is not an indirect object

Release notes - UniPDF v3.68.0

This release contains improvements and bug fixes.

Improvements

• US-931 Update minimum supported Go version in UniPDF
• US-896 Improves text extraction to also check ActualText information from StructTreeRoot
• US-922 Replace StructTreeRoot in text list extractor with the one in model package

Bug Fixes

• US-925 Fix fatal error: concurrent map writes in concurrent use of PdfPage.Render
• US-405 Fix TestAnnotatorInk test on arm64 arch
• US-406 Fix TestFormFillRender test on arm64 arch
• US-407 Fix TestChartBasic test on arm64 arch
• US-408 Fix TestChartInTable test on arm64 arch
• US-409 Fix TestChartInDivision test on arm64 arch
• US-410 Fix TestDivisionBackgroundInTable test on arm64 arch
• US-411 Fix TestDivisionBackgroundMiscComponents test on arm64 arch
• US-412 Fix TestTemplateProcessorContainerComponents test on arm64 arch
• US-766 Fix Vector text color inverted to black
• US-867 Fix Text truncation because overlapping border

Release notes - UniPDF v3.67.0

This release contains improvements and bug fixes.

Improvements

• US-699 Accessibility text expansion of abbreviations and acronyms
• US-700 Text replacement for TextChunk
• US-895 Add SetOpacity function for TableCell
• US-906 Extractor improve plain text extraction of rotated text

Bug Fixes

• US-778 FlattenFields issue for PDF documents fix

Release notes - UniDoc Sprints - UniPDF v3.66.0

This release contains new features, improvements, and bug fix.

New Features

• US-834 Add text watermark to a PDF document
• US-853 Support rotation for AddWatermarkImage
• US-785 PDF text extraction options add RelaxedMode

Improvements

• US-847 Update minimum supported Go version to version 1.19
• US-791 UniPDF adding fuzz test cases
• US-833 Provide different color to different form field in the PDF

Bug Fix

• US-873 Invalid AcroForm entry *core.PdfObjectStream during pdf split fix

Release notes - UniPDF v3.65.0

This release contains new features, improvements and bug fixes.

New Features

• US-750 Remove watermark from PDF document
• US-645 Search and replace text in PDF document

Improvements

• US-781 DisableMultiColumns option on text extraction

Bug Fixes

• US-807 golang x/crypto and x/net update version due security issues
• US-248 PDF extractor is not extracting content properly fix

Release notes - UniPDF v3.64.0

This release contains new feature, improvements and bug fixes

New Feature

• US-707 UniPDF templates set image encoder

Improvements

• US-190 PDF text extraction improvement with list content
• US-717 UniPDF image FlateEncoder `DecodeStream` support for 4 BitsPerComponent
• US-752 Improves text highlight implementation in unipdf
• US-689 Implement plain mode and compare results with old simple

Bug Fixes

• US-732 SVG attributes viewport, width, height, and transform processing fix
• US-740 DCTEncoder jpeg image YCbCr color conversion fix
• US-769 Special characters not encoded correctly on signature location fix

Release notes - UniPDF v3.63.0

This release contains new features, improvements, and bug fixes.

New Features

• US-615 Add support for adding alternate text for non textual items
• US-667 Implements alternate text for other components
• US-623 Implement methods to generate StructTreeRoot object
• US-715 Add Line annotation to ParentTree object
• US-656 Construct a ViewerPreferences object
• US-666 Implements natural language specification

Improvements

• US-653 Load existing StructTreeRoot object
• US-352 Upgrade Ubuntu version used in UniPDF Docker image tests
• US-655 Add StructTreeRoot generation to PDF/A optimizer.
• US-708 StructTreeRoot object implementation improvements
• US-680 Update golangci-lint version and it's configuration

Bug Fixes

• US-677 Issues with document signatures when setting date format fix
• US-709 UniPDF github-actions ghostscript issue fix
• US-643 Productivity.pdf - extracted text output regression fix
• US-713 Validation rules numbers for StructTreeRoot PDF/A fix
• US-688 Add problematic text extraction files to unipdf-testdata
• US-714 Remove duplicated functions from verifiers_2.go (PDF/A)