GroupDocs.Signature リリース

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各リリースの最新情報を、機能・強化・解決済みの課題の詳細とともに確認しましょう。

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GroupDocs.Signature for .NET V26.9メジャーバージョン2026年9月30日
機能
  • GroupDocs.Signature now ships a build for .NET 10 and .NET Standard 2.1 is discontinued.
  • External resources are no longer loaded by default.
  • PDF digital signatures now use SHA-256 by default and honor HashAlgorithm.
  • SignatureFont no longer exposes System.Drawing types on .NET 6 and later.
  • Signing with an expired or not-yet-valid certificate is now rejected by default.
  • Added the ability to sign Word documents with post-quantum (ML-DSA) certificates.
  • Internal improvements.
修正
  • Verify did not check PDF digital signatures cryptographically.
  • SubjectName and IssuerName were ignored when verifying PDF documents.
  • Time-stamp server credentials were sent only when both user name and password were set.
  • Saving presentations and Word documents as images failed on Linux and macOS.
  • LoadExternalResources was ignored for documents inside archives.
  • External images and style sheets of SVG images were always loaded.
  • Search and verification of a spreadsheet with a linked picture threw ArgumentNullException.
  • CertificateVerifyOptions.Expired was wrong by the local UTC offset.
  • SignatureSettings.LogLevel had no effect.
  • A reused VerifyOptions reported signatures of documents verified earlier.
  • A reused DigitalSignOptions signed later presentations with its first certificate and comment.
GroupDocs.Signature for .NET V26.6メジャーバージョン2026年7月1日
機能
  • Added the ability to support and respect OOXML compliance for WordProcessing documents.
  • Added multi-framework NuGet packaging and TFM-split packages.
  • Refactored trial license limits.
  • Internal improvements.
GroupDocs.Signature for Java V26.5メジャーバージョン2026年5月29日
機能
  • Added a Resolution property to PreviewOptions.
  • Added a ICustomSignHash plug-in for PDF digital signing.
  • Added search and verify methods with Predicate filters.
  • Added PDF permissions and security on save.
  • Added UseLtv support for PDF digital signatures (Long Term Validation).
  • Added digital signing of raster images via LSB steganography.
  • GroupDocs.Signature can now handle Word documents with large text shapes spanning multiple pages.
修正
  • Fixed invisible image in PDF digital signature.
  • Respect existing digital signatures when adding new ones to PDF.
  • Recognize legacy barcode type names when matching persisted signatures.
  • Fixed "file type not supported" while searching signatures in WEBP images.
GroupDocs.Signature Product Family Update2026年3月3日
GroupDocs.Signature for .NET V26.2メジャーバージョン2026年2月27日
修正
  • Sign document error when using Azure Key Vault: DefaultSignatureLength parameter.
GroupDocs.Signature Product Family Update2026年1月6日