Lifecycle guide for System.Runtime from Microsoft

All releases, patches, maintenance and support periods at a glance

All supported products Free Versio.io trial

📅 Last update on 2026-03-06

What is System.Runtime?

Automate product release and end-of-life management

Provides the fundamental primitives, classes and base classes that define commonly-used value and reference data types, events and event handlers, interfaces, attributes, and exceptions. This packages represents the core package, and provides the minimal set of types required to build a managed application. Commonly Used Types: System.Object System.Exception System.Int16 System.Int32 System.Int64 System.Enum System.String System.Char System.Boolean System.SByte System.Byte System.DateTime System.DateTimeOffset System.Single System.Double System.UInt16 System.UInt32 System.UInt64 System.IDisposable System.Uri When using NuGet 3.x this package requires at least version 3.4.

The entire lifecycle of System.Runtime

The following figure shows you the visualised product life cycle of System.Runtime. 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.