Under the hood
Useful1 Signal3
Telemetry spans can now join a trace that was started by whatever called in.
What's wrong with this entry?
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What
New helpers read a W3C traceparent header into a telemetry context and run work inside it, so spans can join a trace started elsewhere. They do nothing when telemetry is off or when no header is present, in which case the work runs as before.
Evidence
traceparent
Strings lifted out of the shipped bundle, so the claim above can be checked against them.