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OpenTelemetry .NET

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The .NET OpenTelemetry client.

Supported .NET Versions

Packages shipped from this repository generally support all the officially supported versions of .NET Core, and .NET Framework except for versions lower than .NET Framework 4.6.1. Any exceptions to this are noted in the individual files.

Getting Started

If you are new here, please read the getting started docs:

This repository includes multiple installable components, available on NuGet. Each component has its individual file, which covers the instruction on how to install and how to get started. To find all the available components, please take a look at the src folder.

Here are the most commonly used components:

Here are the instrumentation libraries:

Here are the exporter libraries:

See the OpenTelemetry registry for more exporters.


OpenTelemetry .NET is designed to be customizable and extensible. Here are the most common customization and extension scenarios:



We meet weekly on Tuesdays, and the time of the meeting alternates between 11AM PT and 4PM PT. The meeting is subject to change depending on contributors' availability. Check the OpenTelemetry community calendar for specific dates.

Meetings take place via Zoom video conference. The passcode is 77777.

Meeting notes are available as a public Google doc. If you have trouble accessing the doc, please get in touch on Slack.

Approvers (@open-telemetry/dotnet-approvers):

Find more about the approver role in community repository.

Maintainers (@open-telemetry/dotnet-maintainers):

Find more about the maintainer role in community repository.

Triager (@open-telemetry/dotnet-triagers):

Find more about the triager role in community repository.

Thanks to all the people who have contributed


Release Schedule

Only the core components of the repo have released a stable version. Components which are marked pre-release, are still work in progress and can undergo many breaking changes before stable release.

See special note about Metrics release plans.

See the release notes for existing releases.

See the project milestones for details on upcoming releases. The dates and features described in issues and milestones are estimates, and subject to change.

Daily builds from this repo are published to MyGet, and can be installed from this source.