Ricardo Peres 10/21/2025

Introducing Isolator - a framework for running isolated code for .NET

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This technical article introduces Isolator, a framework for executing isolated .NET code (sandboxes). It explains the challenge of code isolation after .NET Core removed custom AppDomains, discusses alternatives like processes and Assembly Load Contexts, and details Isolator's core concepts, including the IPlugin and IIsolationHost interfaces for running plugins securely within a host.

Introducing Isolator - a framework for running isolated code for .NET

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