Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
DiagnosticsArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
What
Two failure kinds now have their own error types, one carrying a reason, reject count and event stats, the other an error code, so these cases are classified rather than lumped in with generic failures.
Evidence
ReferralEligibilityUnavailableError
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
