SevenZipSharp v2.3.0

SevenZipSharp Changelog

[2.3.0] - 2026-05-27

Changed

• Added .NET 10 as target framework and removed .NET 6 as target framework.
• ArchiveReader and ArchiveWriter now both provide a property named UncompressedArchiveSize,
  which returns the total size of the archive content after it has been extracted.
• InMemoryArchiveRepacker and the BulkExtract extension now support two new flags / options:
  • DisposeArchiveEntryStreamAfterUse specifies whether streams should be disposed automatically after use.
  • UseFileStreamForOversizedArchiveEntries specifies that archive entries exceeding the supported size of
    .NET arrays will use a temporary file to process the entry instead of throwing an exception. This option
    is only available in .NET Core.
  • These new flags are disabled by default to preserve the known behavior.
• InMemoryArchiveRepacker can now also transfer directory entries.
  • To omit any entry, the given filter callback can now return null.
• BulkExtract now provides an overload accepting a generic state parameter, which is passed to the
  consumeExtractResults callback.
• The ArchiveConfig contains a delegate to customize the method to use for creating temporary files. By
  default, Path.GetTempFileName is used.

SevenZipSharp v2.2.0

SevenZipSharp Changelog

[2.2.0] - 2025-10-10

Fixed

• Removing entries from an archive led to incorrect index values when the total amount of
  archive entries changed. This sometimes resulted in an exception within the 7z library.

SevenZipSharp v2.1.1

SevenZipSharp Changelog

[2.1.1] - 2025-02-27

• Encrypted archives are now also supported on Linux. The PasswordProvider interfaces now pass a
  native pointer instead of a marshalled string which allows allocating the string the way the
  used implementation needs it, based on the current OS.
• An exception is now thrown when applying the CompressProperties fails.
• An empty string can now also be specified as password to use encryption.

SevenZipSharp v2.1.0

SevenZipSharp Changelog

[2.1.0] - 2025-02-18

Changed

• Interop interface methods which are being invoked from the native library and which used a managed array as parameter
  (like byte[]) now use raw pointers to avoid a memory allocation per interop call.
  This can result in a significantly reduced garbage collector pressure especially when compressing several
  files and therefore improves the overall performance.
• The 7z multithreading option can be configured via the MultithreadingBehavior property of the CompressProperties class.

Fixed

• In some cases, the properties configured by the CompressProperties class were not applied correctly. This
  should now be resolved.

SevenZipSharp v2.0.1

SevenZipSharp Changelog

[2.0.1] - 2025-01-16

Changed

• Added a EncryptionMethod property to the CompressProperties class to simplify creating encrypted archives.
• The ApplyArchiveEntryTimestampsToFileStreams flag no longer updates a files' timestamp when the archive entry reports a timestamp of DateTime.MinValue.

Fixed

• The .NET8 build now correctly applies custom compression properties. This operation failed due to a missing GeneratedComInterface
  attribute.

SevenZipSharp v2.0.0

SevenZipSharp Changelog

[2.0.0] - 2025-01-14

Changed

• The major version has been changed to 2 due to changes in the public API of ArchiveReader, IProgressDelete, IArchiveReaderDelegate and IArchiveWriterDelegate
  and a behavioral change in the error handling during extract or compress operations (see ArchiveConfig.IgnoreOperationErrors).
• Unified and slightly changed the public interface of ArchiveReader so that it now has a single public Extract
  method while all overloads were moved an an extension class.
• By default, errors which occur during compression or extraction now cause an exception of type ArchiveOperationException.
  This behavior can be controlled with the ArchiveConfig.IgnoreOperationErrors property, which defaults to false.
• The delegate interfaces IProgressDelete, IArchiveReaderDelegate and IArchiveWriterDelegate have been
  extended with another parameter (IExtractContext or ICompressContext), which can be used to provide
  more information about the current operation.

SevenZipSharp v1.0.3

SevenZipSharp Changelog

[1.0.3] - 2025-01-07

Fixed

• Fixed a NullReferenceException caused by calling ArchiveReader.CanExtractEntries.

SevenZipSharp v1.0.2

SevenZipSharp Changelog

[1.0.2] - 2024-12-10

Changed

• Added a guard to prevent the directory traversal attack (CVE-2024-48510).

SevenZipSharp v1.0.1

SevenZipSharp Changelog

[1.0.1] - 2024-11-06

Changed

• The generated assembly now always has a strong-name.

[1.0.0] - 2024-05-03

Changed

• Initial release of the .NET SevenZip library.

SevenZipSharp v1.0.0

SevenZipSharp Changelog

[1.0.0] - 2024-05-03

Changed

• Initial release of the .NET SevenZip library.