{"version":"2.1.221","anchor":"dead-probe-telemetry-removed-across-several-code-paths","canonical_anchor":"dead-probe-telemetry-removed-across-several-code-paths","heading":"\"Dead probe\" telemetry removed across several code paths","tier":"internal","area":"Telemetry","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.221\/e\/dead-probe-telemetry-removed-across-several-code-paths","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.221","markdown":"### \"Dead probe\" telemetry removed across several code paths\n\nTemporary probes that checked whether old code paths still ran have been deleted; behaviour is unchanged.\n\n**What**\n\nOne-shot instrumentation that existed only to check whether legacy code paths were still reachable has been deleted.\n\n**Details**\n\n- Removes the preserved-segment probes at sites chain_relink, tail_pick, walk_resolve and sdk_ingest.\n- Removes the DISABLE_BUG_COMMAND probes and the TaskOutput legacy-parameter probe.\n- Surrounding logic is unchanged, including segment resolution and the disabling of \/feedback; only the reporting is gone.\n- Grep confirms only two tengu_dead_probe_* events survive in this build.\n\n**Evidence**\n\n`tengu_dead_probe_preserved_segment`\n\n- Area: Telemetry\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 0\/5"}