Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
IdentityArea: what it touches
Internal ChangesKind: in v2.1.239,
Internal ChangesSection of the release
What
An internally generated identifier is now derived from and stored as a machine ID rather than a user ID, and the helper takes the store to write into as an argument.
Details
An older telemetry block that bucketed a hashed ID by modulo for sampling and posted events in batches was deleted in favour of a lazily created instance.
Evidence
setGeneratedMachineID
Strings lifted out of the shipped bundle, so the claim above can be checked against them.