This release of Aspose.PDF for .NET 24.6 (MSI) equips developers with a compelling set of enhancements for creating and manipulating PDFs.

Key Highlights

New Features:

• Add alternative text for image stamps to improve accessibility using this C# API version.
• Sign PDF documents using X509Certificate2 in base64 format for increased security.
• Create accessible PDFs with low-level functions for more control using the latest .NET PDF API release.

Enhancements:

• We have improved paragraph replacement within existing PDFs for easier editing.
• Relaxed evaluation mode restrictions for a better developer experience.
• We have added the ability to define areas where text extraction should be prevented in Aspose.PDF for .NET 24.6.

Bug Fixes:

Numerous bugs related to HTML to PDF conversion, text extraction, PDF/A conversion, and more have been resolved in this release.

Public API and Backward Incompatible Changes

Added APIs

Some of the newly added API members in this .NET PDF document processing library are:

• Type: Aspose.Pdf.Comparison.ComparisonOptions
• Method: Aspose.Pdf.Comparison.ComparisonOptions.#ctor System.Void
• Property: Aspose.Pdf.Comparison.ComparisonOptions.ExtractionArea Aspose.Pdf.Rectangle
• Property: Aspose.Pdf.Comparison.ComparisonOptions.EditOperationsOrder Aspose.Pdf.Comparison.EditOperationsOrder
• Type: Aspose.Pdf.Comparison.Diff.DiffOperation
• Property: Aspose.Pdf.Comparison.Diff.DiffOperation.Operation Aspose.Pdf.Comparison.Diff.Operation
• Property: Aspose.Pdf.Comparison.Diff.DiffOperation.Text System.String
• Method: Aspose.Pdf.Comparison.Diff.DiffOperation.Equals(System.Object) System.Boolean
• Method: Aspose.Pdf.Comparison.Diff.DiffOperation.Equals(Aspose.Pdf.Comparison.Diff.DiffOperation) System.Boolean
• Method: Aspose.Pdf.Comparison.Diff.DiffOperation.ToString System.String
• Method: Aspose.Pdf.Comparison.Diff.DiffOperation.GetHashCode System.Int32
• Type: Aspose.Pdf.Comparison.Diff.Operation
• Field: Aspose.Pdf.Comparison.Diff.Operation.Equal
• Field: Aspose.Pdf.Comparison.Diff.Operation.Delete
• Field: Aspose.Pdf.Comparison.Diff.Operation.Insert
• Type: Aspose.Pdf.Comparison.DocumentComparisonStatistics
• Method: Aspose.Pdf.Comparison.DocumentComparisonStatistics.#ctor System.Void
• Property: Aspose.Pdf.Comparison.DocumentComparisonStatistics.PagesStatistics System.Collections.Generic.List`1[[Aspose.Pdf.Comparison.TextItemComparisonStatistics]]
• Type: Aspose.Pdf.Comparison.EditOperationsOrder
• Field: Aspose.Pdf.Comparison.EditOperationsOrder.InsertFirst
• Field: Aspose.Pdf.Comparison.EditOperationsOrder.DeleteFirst
• Type: Aspose.Pdf.Comparison.OutputGenerator.HtmlDiffOutputGenerator
• Method: Aspose.Pdf.Comparison.OutputGenerator.HtmlDiffOutputGenerator.#ctor System.Void
• Property: Aspose.Pdf.Comparison.OutputGenerator.HtmlDiffOutputGenerator.InsertStyle System.String
• Property: Aspose.Pdf.Comparison.OutputGenerator.HtmlDiffOutputGenerator.DeleteStyle System.String
• Property: Aspose.Pdf.Comparison.OutputGenerator.HtmlDiffOutputGenerator.StrikethroughDeleted System.Boolean
• Method: Aspose.Pdf.Comparison.OutputGenerator.HtmlDiffOutputGenerator.GenerateOutput(System.Collections.Generic.List{Aspose.Pdf.Comparison.Diff.DiffOperation}) System.String
• Method: Aspose.Pdf.Comparison.OutputGenerator.HtmlDiffOutputGenerator.GenerateOutput(System.Collections.Generic.List{Aspose.Pdf.Comparison.Diff.DiffOperation},System.String) System.Void
• Method: Aspose.Pdf.Comparison.OutputGenerator.HtmlDiffOutputGenerator.GenerateOutput(System.Collections.Generic.List{System.Collections.Generic.List{Aspose.Pdf.Comparison.Diff.DiffOperation}}) System.String
• Method: Aspose.Pdf.Comparison.OutputGenerator.HtmlDiffOutputGenerator.GenerateOutput(System.Collections.Generic.List{System.Collections.Generic.List{Aspose.Pdf.Comparison.Diff.DiffOperation}},System.String) System.Void
• Type: Aspose.Pdf.Comparison.OutputGenerator.IFileOutputGenerator
• Method: Aspose.Pdf.Comparison.OutputGenerator.IFileOutputGenerator.GenerateOutput(System.Collections.Generic.List{Aspose.Pdf.Comparison.Diff.DiffOperation},System.String) System.Void
• Method: Aspose.Pdf.Comparison.OutputGenerator.IFileOutputGenerator.GenerateOutput(System.Collections.Generic.List{System.Collections.Generic.List{Aspose.Pdf.Comparison.Diff.DiffOperation}},System.String) System.Void
• Type: Aspose.Pdf.Comparison.OutputGenerator.IStringOutputGenerator
• Method: Aspose.Pdf.Comparison.OutputGenerator.IStringOutputGenerator.GenerateOutput(System.Collections.Generic.List{Aspose.Pdf.Comparison.Diff.DiffOperation}) System.String
• Method: Aspose.Pdf.Comparison.OutputGenerator.IStringOutputGenerator.GenerateOutput(System.Collections.Generic.List{System.Collections.Generic.List{Aspose.Pdf.Comparison.Diff.DiffOperation}}) System.String
• Type: Aspose.Pdf.Comparison.OutputGenerator.JsonDiffOutputGenerator
• Method: Aspose.Pdf.Comparison.OutputGenerator.JsonDiffOutputGenerator.#ctor System.Void
• Method: Aspose.Pdf.Comparison.OutputGenerator.JsonDiffOutputGenerator.GenerateOutput(System.Collections.Generic.List{Aspose.Pdf.Comparison.Diff.DiffOperation}) System.String

Removed APIs

Some of the API members removed from Aspose.PDF for .NET 24.6 are:

• Method: Aspose.Pdf.CollectionItem.Value1.CompareTo(Aspose.Pdf.CollectionItem.Value{0}) System.Int32
• Method: Aspose.Pdf.Document.Repair System.Void
• Type: Aspose.Pdf.Plugins.ChatCompletion
• Method: Aspose.Pdf.Plugins.ChatCompletion.#ctor System.Void
• Property: Aspose.Pdf.Plugins.ChatCompletion.Id System.String
• Property: Aspose.Pdf.Plugins.ChatCompletion.Object System.String
• Property: Aspose.Pdf.Plugins.ChatCompletion.Created System.Int64
• Property: Aspose.Pdf.Plugins.ChatCompletion.Model System.String
• Type: Aspose.Pdf.Plugins.Choice
• Method: Aspose.Pdf.Plugins.Choice.#ctor System.Void
• Property: Aspose.Pdf.Plugins.Choice.Index System.Int32
• Property: Aspose.Pdf.Plugins.Choice.Message Aspose.Pdf.Plugins.Message
• Property: Aspose.Pdf.Plugins.Choice.FinishReason System.String
• Type: Aspose.Pdf.Plugins.CompressOptions
• Method: Aspose.Pdf.Plugins.CompressOptions.#ctor System.Void
• Type: Aspose.Pdf.Plugins.ConversionMode
• Field: Aspose.Pdf.Plugins.ConversionMode.TextBox
• Field: Aspose.Pdf.Plugins.ConversionMode.Flow
• Field: Aspose.Pdf.Plugins.ConversionMode.EnhancedFlow
• Type: Aspose.Pdf.Plugins.DataType
• Field: Aspose.Pdf.Plugins.DataType.File
• Field: Aspose.Pdf.Plugins.DataType.Stream
• Type: Aspose.Pdf.Plugins.DecryptionOptions
• Method: Aspose.Pdf.Plugins.DecryptionOptions.#ctor(System.String) System.Void
• Property: Aspose.Pdf.Plugins.DecryptionOptions.OwnerPassword System.String
• Type: Aspose.Pdf.Plugins.EncryptionOptions
• Method: Aspose.Pdf.Plugins.EncryptionOptions.#ctor(System.String,System.String,Aspose.Pdf.Facades.DocumentPrivilege,Aspose.Pdf.CryptoAlgorithm) System.Void
• Property: Aspose.Pdf.Plugins.EncryptionOptions.OwnerPassword System.String
• Property: Aspose.Pdf.Plugins.EncryptionOptions.UserPassword System.String
• Property: Aspose.Pdf.Plugins.EncryptionOptions.DocumentPrivilege Aspose.Pdf.Facades.DocumentPrivilege
• Property: Aspose.Pdf.Plugins.EncryptionOptions.CryptoAlgorithm Aspose.Pdf.CryptoAlgorithm
• Type: Aspose.Pdf.Plugins.FileDataSource
• Method: Aspose.Pdf.Plugins.FileDataSource.#ctor(System.String) System.Void
• Property: Aspose.Pdf.Plugins.FileDataSource.DataType Aspose.Pdf.Plugins.DataType
• Property: Aspose.Pdf.Plugins.FileDataSource.Path System.String
• Type: Aspose.Pdf.Plugins.FileResult
• Property: Aspose.Pdf.Plugins.FileResult.IsFile System.Boolean
• Property: Aspose.Pdf.Plugins.FileResult.IsStream System.Boolean
• Property: Aspose.Pdf.Plugins.FileResult.IsString System.Boolean
• Property: Aspose.Pdf.Plugins.FileResult.Data System.Object
• Method: Aspose.Pdf.Plugins.FileResult.ToFile System.String
• Method: Aspose.Pdf.Plugins.FileResult.ToStream System.IO.Stream
• Type: Aspose.Pdf.Plugins.FormCheckBoxFieldCreateOptions
• Method: Aspose.Pdf.Plugins.FormCheckBoxFieldCreateOptions.#ctor(System.Int32,Aspose.Pdf.Rectangle) System.Void
• Property: Aspose.Pdf.Plugins.FormCheckBoxFieldCreateOptions.Checked System.Nullable`1[[System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]
• Property: Aspose.Pdf.Plugins.FormCheckBoxFieldCreateOptions.Style System.Nullable`1[[Aspose.Pdf.Forms.BoxStyle, Aspose.PDF, Version=24.5.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56]]
• Type: Aspose.Pdf.Plugins.FormCheckBoxFieldSetOptions
• Method: Aspose.Pdf.Plugins.FormCheckBoxFieldSetOptions.#ctor System.Void
• Property: Aspose.Pdf.Plugins.FormCheckBoxFieldSetOptions.Checked System.Nullable`1[[System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]
• Property: Aspose.Pdf.Plugins.FormCheckBoxFieldSetOptions.Style System.Nullable`1[[Aspose.Pdf.Forms.BoxStyle, Aspose.PDF, Version=24.5.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56]]
• Type: Aspose.Pdf.Plugins.FormComboBoxFieldCreateOptions
• Method: Aspose.Pdf.Plugins.FormComboBoxFieldCreateOptions.#ctor(System.Int32,Aspose.Pdf.Rectangle) System.Void
• Property: Aspose.Pdf.Plugins.FormComboBoxFieldCreateOptions.Editable System.Nullable`1[[System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]
• Property: Aspose.Pdf.Plugins.FormComboBoxFieldCreateOptions.Options System.Collections.Generic.List`1[[System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]
• Property: Aspose.Pdf.Plugins.FormComboBoxFieldCreateOptions.Selected System.Nullable`1[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]
• Type: Aspose.Pdf.Plugins.FormComboBoxFieldSetOptions
• Method: Aspose.Pdf.Plugins.FormComboBoxFieldSetOptions.#ctor System.Void
• Property: Aspose.Pdf.Plugins.FormComboBoxFieldSetOptions.Editable System.Nullable`1[[System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]
• Property: Aspose.Pdf.Plugins.FormComboBoxFieldSetOptions.Options System.Collections.Generic.List`1[[System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]
• Property: Aspose.Pdf.Plugins.FormComboBoxFieldSetOptions.Selected System.Nullable`1[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]
• Type: Aspose.Pdf.Plugins.FormEditor
• Method: Aspose.Pdf.Plugins.FormEditor.#ctor System.Void
• Method: Aspose.Pdf.Plugins.FormEditor.Process(Aspose.Pdf.Plugins.FormEditorOptions) Aspose.Pdf.Plugins.ResultContainer
• Type: Aspose.Pdf.Plugins.FormEditorAddOptions
• Method: Aspose.Pdf.Plugins.FormEditorAddOptions.#ctor(System.Collections.Generic.List{Aspose.Pdf.Plugins.FormFieldCreateOptions}) System.Void
• Type: Aspose.Pdf.Plugins.FormEditorOptions
• Method: Aspose.Pdf.Plugins.FormEditorOptions.#ctor System.Void
• Type: Aspose.Pdf.Plugins.FormEditorRemoveOptions
• Method: Aspose.Pdf.Plugins.FormEditorRemoveOptions.#ctor System.Void
• Type: Aspose.Pdf.Plugins.FormEditorSetOptions
• Method: Aspose.Pdf.Plugins.FormEditorSetOptions.#ctor(Aspose.Pdf.Plugins.SelectField,Aspose.Pdf.Plugins.FormFieldSetOptions) System.Void
• Type: Aspose.Pdf.Plugins.FormExporter
• Method: Aspose.Pdf.Plugins.FormExporter.#ctor System.Void
• Method: Aspose.Pdf.Plugins.FormExporter.Process(Aspose.Pdf.Plugins.FormExporterOptions) Aspose.Pdf.Plugins.ResultContainer
• Type: Aspose.Pdf.Plugins.FormExporterOptions
• Method: Aspose.Pdf.Plugins.FormExporterOptions.#ctor System.Void
• Type: Aspose.Pdf.Plugins.FormExporterValuesToCsvOptions
• Method: Aspose.Pdf.Plugins.FormExporterValuesToCsvOptions.#ctor(Aspose.Pdf.Plugins.SelectField,System.Char) System.Void
• Type: Aspose.Pdf.Plugins.FormFieldCreateOptions
• Method: Aspose.Pdf.Plugins.FormFieldCreateOptions.#ctor(System.Int32,Aspose.Pdf.Rectangle) System.Void
• Type: Aspose.Pdf.Plugins.FormFieldOptions

You can view the list of all new features, enhancements, and bug fixes introduced in this release by visiting Aspose.PDF for .NET 24.6 Release Notes.