# Secure PDF Changelog This document provides high-level information about new features, fixes, and functionality changes between minor version releases of Secure PDF. For more details or if you have any questions, please contact . --- **Legend:** [FIX] - An issue was fixed. [NEW] - New feature or functionality added. [IMPORTANT] - A change which requires attention. --- Version: 26.0.9720 Date: August 12, 2026 - [IMPORTANT] Removed `SetPage` method from `PDFForm` - [IMPORTANT] Converted `FieldType` field in `PDFField` type from integer to `FormFieldTypes` enum - [IMPORTANT] Converted `ObjectType` field in `PDFObject` type from integer to `PDFObjectTypes` enum - [IMPORTANT] Converted `Disposition` field in `PDFObject` type from integer to `PDFObjectDispositions` enum - [NEW] Added `RemoteSignatureMethod`, `RemoteSignatureDigest`, and `RemoteSignatureData` properties to `PDFSign` - [NEW] Added `PageIndex` parameter to `SetPosition` in `PDFForm` --- Version: 24.0.9678 Date: July 1, 2026 - [FIX] Improved TrueType font matching algorithm - [FIX] Fixed a regression where the `FallbackFont` configuration setting was being ignored - [FIX] Fixed a C++ issue where the `FontPaths` configuration setting ignored paths without a trailing slash --- Version: 24.0.9658 Date: June 11, 2026 - [FIX] Fixed an issue where `Sign` would hang when inserting a remote signature into certain documents --- Version: 24.0.9651 Date: June 4, 2026 - [NEW] Added `pkcs7signRemote` option to `RemoteSignatureMethod` configuration setting - [FIX] Fixed an access violation in `PDFForm` and `PDFExplorer` that occurred when closing the document in some cases --- Version: 24.0.9614 Date: April 28, 2026 - [NEW] Added support for preserving PDF/UA compliance when signing with visible signature widgets - [NEW] Added support for Trusted Lists v6 - [NEW] Added `pkcs7sign` option to `RemoteSignatureMethod` configuration setting - [FIX] Improved font support across the board --- Version: 24.0.9571 Date: March 16, 2026 - [IMPORTANT] Changed default font from Arial to Times New Roman (affects `PDFSign`, `PDFForm`, and `PDFEdit`) - [FIX] Fixed a regression where font styles specified in `SetFont` were being ignored --- Version: 24.0.9554 Date: February 27, 2026 - [FIX] Fixed a .NET `CultureInfo`-related issue that was causing errors when opening documents in Adobe --- Version: 24.0.9553 Date: February 26, 2026 - [FIX] Fixed another .NET `FormatException` when opening certain documents --- Version: 24.0.9546 Date: February 19, 2026 - [FIX] Fixed slowdowns when assembling many new text blocks in `PDFEdit` --- Version: 24.0.9536 Date: February 9, 2026 - [NEW] Added `CustomSignedAttributes` configuration setting to `PDFSign` - [FIX] Fixed a .NET `FormatException` when opening certain documents --- Version: 24.0.9505 Date: January 9, 2026 - [FIX] Fixed an issue where certain certificates' subjects were displayed incorrectly in the signature widget --- Version: 24.0.9480 Date: December 15, 2025 - [NEW] Added `BackgroundMask` and `InvertMask` widget properties to `SetWidgetProperty` --- Version: 24.0.9476 Date: December 11, 2025 - [NEW] Extended support for Arabic symbol shaping in signature widgets - [NEW] Added `UseArabicLigature` widget property to `SetWidgetProperty` - [FIX] Fixed a C++ bug that prevented some signatures from being loaded --- Version: 24.0.9469 Date: December 4, 2025 - [NEW] Added `SignatureAllowedChanges`, `SignatureLockedFields`, and `SignatureInvertedLock` configuration settings to `PDFVerify` --- Version: 24.0.9453 Date: November 18, 2025 - [FIX] Fixed an error when querying the `RevisionOffsets` configuration setting for documents with only one revision --- Version: 24.0.9446 Date: November 11, 2025 - [NEW] Added `RevisionOffsets` configuration setting to `PDFSign` and `PDFVerify` - [FIX] Improved performance when opening large documents --- Version: 24.0.9440 Date: November 5, 2025 - [NEW] Added `AutoReverseRTLText` and `AutoReshapeArabicSymbols` widget properties to `SetWidgetProperty` - [FIX] Fixed an issue in `PDFEdit` where transparency parameters specified in `SetFont` were being ignored by `AddTextBlock` - [FIX] Removed `OwnerPassword` configuration setting from `PDFExplorer` - [FIX] Fixed an ASN.1 parsing bug that was causing a timestamping error with a specific TSA --- Version: 24.0.9396 Date: September 22, 2025 - [NEW] Added `PDFExplorer` component to all editions --- Version: 24.0.9390 Date: September 16, 2025 - [FIX] Fixed a C++ error that prevented `CertMgr` from listing certificates again after HSM insertion --- Version: 24.0.9385 Date: September 11, 2025 - [NEW] Added PKCS#11 support to `PDFSign` in the C++ edition --- Version: 24.0.9376 Date: September 2, 2025 - [FIX] Fixed an access violation when adding `PDFMedia` objects to the `Media` collection in `PDFEdit` --- Version: 24.0.9350 Date: August 7, 2025 - [FIX] Fixed an issue where Adobe would show signatures in encrypted documents as invalid after `Update` --- Version: 24.0.9348 Date: August 5, 2025 - [FIX] Fixed a .NET issue that prevented the `FontName` widget property from respecting the `FontPaths` configuration setting in `PDFSign` --- Version: 24.0.9334 Date: July 22, 2025 - [IMPORTANT] Removed ActiveX/ASP/COM edition - [NEW] Added `PDFEdit` component to all editions - [NEW] Added PDF/A support to `PDFSign`, `PDFVerify`, `PDFForm`, and `PDFEdit` via `EnforcePDFA`, `PDFALevel`, and `PDFAPolicy` configuration settings - [NEW] Added `AFRelationship` configuration setting to `PDFSign` - [NEW] Added `LoadMedia` configuration setting to `PDFForm` - [NEW] Added `FallbackFont` configuration setting to `PDFSign` and `PDFForm` - [NEW] Added `DefaultPageWidth` and `DefaultPageHeight` configuration settings to `PDFForm` - [FIX] Fixed font issues when adding new fields in `PDFForm` --- Version: 24.0.9250 Date: April 29, 2025 - [IMPORTANT] Renamed `RemoteSignature` configuration setting to `RemoteSignatureMethod` in `PDFSign` - [NEW] Added PKCS#7 remote signing support to `PDFSign` - [NEW] Added support for verifying EdDSA signatures - [FIX] Improved form field identification for non-standard documents in `PDFForm` --- Version: 24.0.9231 Date: April 10, 2025 - [NEW] Added JavaScript edition - [NEW] Added `PDFForm` component to remaining editions - [NEW] Added remote signing support to `PDFSign` via `RemoteSignature`, `RemoteSignatureDigest`, and `RemoteSignatureData` configuration settings - [NEW] Added `CreateNew` method to `PDFForm` - [NEW] Added `CompressStreams` configuration setting to `PDFForm` - [FIX] Fixed an issue where decryption would succeed when supplying a wrong user password - [FIX] Fixed a timestamping error for TSAs that require a nonce in the request --- Version: 24.0.9188 Date: February 26, 2025 - [IMPORTANT] `PDFSign` and `PDFVerify` now use zero-based page indices (affects `SignatureWidgetPages`, `GetPageProperty`, and `WidgetPages`) - [NEW] Added `AddBitmap`, `AddDrawing`, `Flatten`, `GetFieldProperty`, and `SetFieldProperty` methods to `PDFForm` --- Version: 24.0.9152 Date: January 21, 2025 - [NEW] Added `PDFForm` component to .NET and Java editions --- Version: 24.0.9133 Date: January 2, 2025 - [NEW] Added C++, macOS, Delphi, C++ Builder, PHP, Python, and ActiveX/ASP/COM editions - [NEW] Added PKCS#11 support to `PDFSign` in the .NET edition - [FIX] Improved tolerance for documents with garbage bytes before the %PDF header - [FIX] Other minor compatibility improvements - [FIX] Fixed an issue where signature timestamps were missing when creating legacy Adobe signatures --- Version: 24.0.9047 Date: October 8, 2024 - [IMPORTANT] Renamed `AddDocumentTimestamp` method to `AddTimestamp` in `PDFSign` - [FIX] Improved tolerance for documents with malformed end-of-file (EOF) markers