This issue is tracking the System.Diagnostics tracing work in the 6.0 release. It tracks all tracing feature requests and the fixes we need to do.

Features

• Add ability to update Activity.Baggage
• Add Status field to Activity API
• Add Activity.GetTagItem
• Provide default activity name value from [CallerMemberName] in ActivitySource.StartActivity
• Support customized Activity trace id generation
• Allow setting the Activity properties after Activity creation and before starting it when using ActivitySource
• Impossible to set Activity.IdFormat when using ActivitySource

Fixes

• ActivitySource started activities aren't using an accurate utcnow on framework
• Faster Diagnostics Activity ID generation from random bytes
• Ending an activity will not restore the previously active one for explicit parents

Docs

• Distributed Tracing Doc