Aspose.ZIP Releases

AsposeCompression Tools.NETJava

Learn what's new across releases, with details of features, enhancements, and resolved issues.

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Aspose.ZIP for .NET V26.7Major versionJul 6, 2026
Features
  • Added the ability to extract 7z archives with Deflate and Deflate64(tm) compression methods.
Fixes
  • Corrected RAR4 extraction with obsolete headers.
  • Corrected audio extraction from RAR4 format.
  • Corrected RAR4 virtual machine edge cases.
  • Fixed issue with extracting huge RAR4 archives.
Aspose.ZIP for Python via .NET V26.6Major versionJun 18, 2026
Features
  • Added the ability to compose Apple archives (.aar) with the raw (store) compression method.
  • Added the ability to extract Apple archives (.aar) with the LZ4 compression method.
  • Added the ability to extract Apple archives (.aar) with the Zlib compression method.
  • Added the ability to extract Apple archives (.aar) with the LZMA compression method.
  • Added the ability to extract Apple archives (.aar) with the LZFSE compression method.
  • Added cancellation support when extracting Apple archives (.aar).
  • CRC32, SHA1, and SHA256 checksum are now verified when extracting Apple archives (.aar).
  • You can now optionally include CRC32 checksum when composing Apple archives (.aar).
Aspose.ZIP for .NET V26.6Major versionJun 11, 2026
Features
  • Added the ability to compose Apple archives (.aar) with the raw (store) compression method.
  • Added the ability to extract Apple archives (.aar) with the LZ4 compression method.
  • Added the ability to extract Apple archives (.aar) with the Zlib compression method.
  • Added the ability to extract Apple archives (.aar) with the LZMA compression method.
  • Added the ability to extract Apple archivs (.aar) with the LZFSE compression method.
  • Added cancellation support when extracting Apple archives (.aar).
  • CRC32, SHA1, and SHA256 checksum are now verified when extracting Apple archives (.aar).
  • You can now optionally include CRC32 checksum when composing Apple archives (.aar).
Aspose.ZIP for Python via .NET V26.5Major versionMay 13, 2026
Features
  • Added the ability to compose Apple archive (.aar) with LZFSE compression method.
  • Added the ability to compose Apple archive (.aar) with Zlib compression method.
Aspose.ZIP for Java V26.3Major versionMay 8, 2026
Features
  • You can now append entries to existing 7z archives.
  • Added the ability to adjust CAB archives combining entries in the folder.
  • Added the ability to extract a ZIP archive from a read-only stream.
  • Exposed the ZIP archive comment (archive-level) and now allows setting a comment for an individual entry.
Fixes
  • Fixed issue with ZIP64 End of Central Directory properties when compressing large files.
Aspose.ZIP for .NET V26.5Major versionMay 3, 2026
Features
  • Added the ability to compose Apple archive (.aar) with the LZFSE compression method.
  • Added the ability to compose Apple archive (.aar) with the Zlib compression method.
Aspose.ZIP Product Family UpdateMay 1, 2026
Aspose.ZIP for Python via .NET V26.4Major versionApr 23, 2026
Features
  • Compose Apple archive (.aar) with LZ4 or LZMA compression methods.
  • Added the ability to extract codec chain in 7z archive folders.
  • You can now extract ARM64 and ARM32 codecs in 7z archive folders.
  • Extract BCJ2 codecs in 7z archive folders.
Aspose.ZIP for .NET V26.4Major versionApr 21, 2026
Features
  • Compose Apple archive (.aar) with LZ4 or LZMA compression methods.
  • Added the ability to extract codec chain in 7z archive folders.
  • You can now extract ARM64 and ARM32 codecs in 7z archive folders.
  • Extract BCJ2 codecs in 7z archive folders.
Aspose.ZIP Product Family UpdateApr 1, 2026
Aspose.ZIP for Python via .NET V26.3Major versionMar 27, 2026
Features
  • You can now append entries to existing 7z archives.
  • Added the ability to adjust CAB archives when combining entries in a folder.
Aspose.ZIP for .NET V26.3Major versionMar 24, 2026
Features
  • Added support for appending entries to existing 7z archive.
  • You can now adjust CAB archives combining entries in folder.
Aspose.ZIP Product Family UpdateMar 2, 2026
Aspose.ZIP for Python via .NET V26.2Major versionFeb 28, 2026
Features
  • Added the ability to extract a ZIP archive from a read-only stream.
  • Exposed the ZIP archive comment (archive-level) and allow setting a comment for an individual entry.
Fixes
  • Fixed ZIP64 End of Central Directory properties when compressing large files.
Aspose.ZIP for .NET V26.2Major versionFeb 25, 2026
Features
  • Added the ability to extract a ZIP archive from a read-only stream.
  • Exposed the ZIP archive comment (archive-level) and allow setting a comment for an individual entry.
Fixes
  • Fixed ZIP64 End of Central Directory properties when compressing large files.
Aspose.ZIP for Java V26.1Major versionFeb 17, 2026
Features
  • Added support for CAB archive composition with MSZIP compression.
  • Reduced allocations in various header composition routines.
  • Introduced deferred sources for entry composition and immediate source closing for 7Z and CAB.
  • Introduced a version for Java 10.
  • Improved checksum performance with ARM64 intrinsics on .NET 10.
Aspose.ZIP Product Family UpdateFeb 3, 2026
Aspose.ZIP for Python via .NET V26.1Major versionJan 31, 2026
Features
  • Reduced allocations in various header composition routines.
  • Introduced deferred sources for entry composition and immediate source closing for 7Z and CAB.
  • Introduced a version for Python via .NET 10.
  • Improved checksum performance with ARM64 intrinsics on .NET 10.
  • Improved Zlib compression speed on .NET 10.
Aspose.ZIP for .NET V26.1Major versionJan 17, 2026
Features
  • Reduced allocations in various header composition routines.
  • Introduced deferred sources for entry composition and immediate source closing for 7Z and CAB.
  • Introduced a version for .NET 10.
  • Improved checksum performance with ARM64 intrinsics on .NET 10.
  • Improved Zlib compression speed on .NET 10.
Aspose.ZIP Product Family UpdateJan 6, 2026