v4.10.0
This release contains new features, improvements, and bug fixes
- US-1358 High level function for
PdfField.GetProperties()to get the form field properties - US-1423 Capability to access Chapter info from header/footer generator
- US-1438 Text extraction grid mode
- US-1468 Add line height as a property of
TextChunk - US-1416 Make PDF font subset prefix deterministic to ensure reproducible output
- US-1398 Improve benchmark CI to auto-trigger in a release PR
- US-1384 PERF-02: Upgrade PdfObjectDictionary to sync.RWMutex
- US-1405 PERF-04: Use existing buffer pool in parser hot paths
- US-1406 PERF-05: Pool image decode buffers in encoders
- US-1409 PERF-08: Fix O(n²) removeWord in text extractor
- US-1433 PERF-12: Persist font cache across pages in renderer
- US-1463 PERF-15: Eliminate copyObjects() in PdfWriter
- US-1464 PERF-16: Optimize PdfAppender change detection
- US-1465 PERF-17: Streaming filter pipeline in core/encoding.go
- US-1466 PERF-18: Deduplicate streams during merge
- US-1436 PERF-20: Replace pixel loop in Image.Crop() with draw.Draw
- US-1383 PERF-01: PdfObjectDictionary.Remove() Race Condition fix
- US-1395 Fix and extend PDF object comparison methods
- US-1419 Benchmark CI ran every time the PR has new comment fix
- US-1420 Logging could causes huge memory usages fix
- US-1446 Renderer panics with index out of range on a PDF with a subsetted embedded font fix
- US-1453 Undetected regression in text shaping result fix
- US-1484 US-1444 mis-renders embedded TrueType subset fonts whose only cmap subtable is on Unicode platform 0 (PID=0) fix
v4.9.0
This release contains new features, improvements, and bug fixes
- US-1360 Merge PDFs using PDF Streams
- US-1370 Font subsetting support for OTF fonts
- US-1364
ReaderOptsaddParserAutoRepairoption to enable auto-repair of malformed PDFs during parsing
- US-200 Font file support for GSUB parsing into font parsing (ttfparser.go)
- US-1253 Merge TTF and OTF font processing as one
- US-1357 Update unidoc/typesetting version
- US-1365 Timestamp server test mockup
- US-1372
coretest coverage to 75% - US-1378
contentstreamtest coverage to 78% - US-1379
modeltest coverage to 60% - US-1380
rendertest coverage to 65% - US-1381
pdfutiltest coverage to 58% - US-1381
model/optimizetest coverage to 65% - US-1385 Pool
flate.ReaderInstances via sync.Pool
- US-1371 Extract text issue with ActualText replacement in TJ arrays fix
- US-1356 Data race in JBIG2 decoder causes OOM crash under concurrent PdfReaderLazy usage fix
- US-1252 Some text space is missing when rendering Arabic and Latin using OTF text shaping fix
- US-1387 Generated file 2_p_multi.pdf has error: The font 'FreeSans' contains bad /Widths in Adobe Reader fix
v4.8.0
This release contains improvement, security patch and bug fixes
- US-1325 Supported minimum Go version update to Go 1.24
- US-1333 [CVE-2023-36308] indirect use of
github.com/disintegration/imaging: crafted TIFF image can cause panic
- US-1349
extractortext matrix position miscalculation on text extraction due not synced parent CTM fix. - US-1350 PdfReader.GetPreviousRevision() panic fix
- US-1312 Splitting division to several pages hangs fix
- US-1321 OCR service integration retry request clone body payload fix
- US-1319 Test cases document signing with timestamping authority (TSA) fix
- US-1316 Github actions CI on lint fail fix
v4.6.0
This release contains new features, improvements and bug fixes.
- US-1244 Custom image interpolator setting in render PDF to image
- US-1232 Digital signature PAdES-LT support external signing
- US-1149 Tagging for `Chapter` component
- US-1150 Tagging for `Division` component
v4.5.0
This release contains new features, improvements and bug fix.
- US-1151 Add API integration with Tesseract OCR
- US-1197 Add support for rendering text using OTF font
- US-1178 Add PDF/A validation scripts for PDF/A-4 and it’s variants (PDF/A-4e and PDF/A-4f)
- US-1173 Add `PieceInfo` in Document catalog
- US-201 Support unicode segmentations before encoding the rune into charcodes
- US-1208 PDF/A-4 add testdata for 4F and 4E profiles into unipdf-testdata
- US-1209 PDF/A-4 add pdfaid rev support in PDF metadata
- US-1214 High memory usage when rendering PDF with large font size to image fix
v4.4.0
This release contains new features and improvements.
- US-1112 Add automatic document tagging in
creatorpackage - US-1136 Add utilities functions
PrintPdfObjects,ExtractPageRange, andMergePdf - US-1148 Add function to remove attributes in
PAdESLevelTsignature handler - US-1135 Add function for custom
http.ClientinNewEtsiPAdESLevelLT
- US-1164 Redaction package improvements: added standard patterns for SSN, email, phone number, and credit card
v4.3.0
This release contains new features, improvements and bug fixes.
- US-694 Tagging PDF contents
- US-697 Tagging a list elements
- US-1077 Tagging widget annotations
- US-1078 Tagging Grid component
- US-1069 Add support for RSASSA-PSS in pkcs7 and signature validation
- US-1098 GridRow: add new function GetHeight()
- US-1121 Supported go version for unipdf (1.23.0, 1.24.0 and 1.25.0)
- US-1005 Optimise memory usage in creator.AddPage for large or complex pages
- US-1079 Implements PdfAnnotations deep copy method
- US-1080 Investigates font encoding issue found during form flattening process
- US-1097 ECDSA key support for PAdES
- US-1101 Update golangci-lint version