System.Threading.Tasks versions & end-of-life (EOL) dates
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Microsoft System.Threading.Tasks

All System.Threading.Tasks 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.Threading.Tasks?

Automate product release and end-of-life managementProvides types that simplify the work of writing concurrent and asynchronous code. Commonly Used Types: System.Threading.Tasks.Task<TResult> System.Runtime.CompilerServices.TaskAwaiter<TResult> System.Threading.Tasks.TaskCompletionSource<TResult> System.Threading.Tasks.Task System.OperationCanceledException System.AggregateException When using NuGet 3.x this package requires at least version 3.4.
 

System.Threading.Tasks release and version history

Release Release date Versions Latest version Latest version date LTS
4 2015-07-29 17 4.3.0 2016-11-16 No
3 2012-03-24 5 3.1.1 2014-10-18 No
2 2011-08-22 5 2.1.2 2011-09-03 No

Data as of 14 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.Threading.Tasks

The following figure shows you the visualised product life cycle of System.Threading.Tasks. 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.Threading.Tasks (Microsoft) release, version and end-of-life information
XSystem.Threading.Tasks (Microsoft) release, version and end-of-life information
Figure: Release, patch and end-of-life cycle of product System.Threading.Tasks (Microsoft)
 

Facts and figures about System.Threading.Tasks

Product System.Threading.Tasks
Vendor Microsoft
Latest version 4.3.0
Number of releases 3
Number of versions 27
Number of unstable versions 15
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.Threading.Tasks"
 

Frequently asked questions about Microsoft System.Threading.Tasks end of life

What is the latest version of Microsoft System.Threading.Tasks?

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

Does Microsoft System.Threading.Tasks have a fixed end-of-life schedule?

No. Microsoft System.Threading.Tasks does not publish fixed end-of-life dates. It follows a "latest version" model: only 4 is considered current. Earlier release lines (3 and 2) remain usable but are superseded and no longer the recommended version.

 
 

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Matthias Scholze
Matthias Scholze
Chief Technology Officer
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