System.IO.Compression versions & end-of-life (EOL) dates
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Microsoft System.IO.Compression

All System.IO.Compression releases at a glance: release dates, number of versions, latest version, LTS status and the end-of-life (EOL) visualisation

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📅 Last update on 2026-10-14

What is System.IO.Compression?

Automate product release and end-of-life managementProvides classes that support the compression and decompression of streams. Commonly Used Types: System.IO.Compression.DeflateStream System.IO.Compression.GZipStream System.IO.Compression.CompressionMode System.IO.Compression.CompressionLevel System.IO.Compression.ZipArchiveEntry System.IO.Compression.ZipArchive System.IO.Compression.ZipArchiveMode When using NuGet 3.x this package requires at least version 3.4.
 

System.IO.Compression release and version history

Release Release date Versions Latest version Latest version date LTS
4 2015-07-29 14 4.3.0 2016-11-16 No

Data as of 15 October 2026. Dates in ISO format (YYYY-MM-DD). Source: Versio.io product release & end-of-life database.

 

The entire lifecycle of the product System.IO.Compression

The following figure shows you the visualised product life cycle of System.IO.Compression. You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support.
System.IO.Compression (Microsoft) release, version and end-of-life information
XSystem.IO.Compression (Microsoft) release, version and end-of-life information
Figure: Release, patch and end-of-life cycle of product System.IO.Compression (Microsoft)
 

Facts and figures about System.IO.Compression

Product System.IO.Compression
Vendor Microsoft
Latest version 4.3.0
Number of releases 1
Number of versions 14
Number of unstable versions 11
Number of versions affected by CVE 0
Licence details http://go.microsoft.com/fwlink/?LinkId=329770
Version command dotnet list package --include-transitive | findstr /i "System.IO.Compression"
 

Frequently asked questions about Microsoft System.IO.Compression end of life

What is the latest version of Microsoft System.IO.Compression?

The latest version of Microsoft System.IO.Compression is 4.3.0, released as part of the 4 release on 16 November 2016.

Does Microsoft System.IO.Compression have a fixed end-of-life schedule?

No. Microsoft System.IO.Compression does not publish fixed end-of-life dates. It follows a "latest version" model: only 4 is considered current.

 
 

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Matthias Scholze
Matthias Scholze
Chief Technology Officer
P:  +49-30-221986-51
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