DataDog/dd-trace-js

dd-trace is an npm package that you can install in your Node.js application to capture APM (Application Performance Monitoring) data. In Datadog terminology this library is called a Tracer. This data is then sent off to a process which collects and aggregates the data, called an Agent. Finally the data is sent off to the Datadog servers where it's stored and made available for querying in a myriad of ways, such as displaying in a dashboard or triggering alerts.

We currently maintain two release lines: v6 (current) and v5 (maintenance).

For any new projects it is recommended to use the v6 release line:

Existing projects on v5 may continue to use it during its maintenance window by pinning the major version:

Older EOL release lines are no longer maintained, but can still be pinned if needed:

Any backwards-breaking functionality that is introduced into the library will result in an increase of the major version of the library and therefore a new release line. Such releases are kept to a minimum to reduce the pain of upgrading the library.

When a new release line is introduced the previous release line then enters maintenance mode where it will receive updates for the next year. Once that year is up the release line enters End of Life and will not receive new updates. The library also follows the Node.js LTS lifecycle wherein new release lines drop compatibility with Node.js versions that reach end-of-life (with the maintenance release line still receiving updates for a year).