{"version":"2.1.281","anchor":"extra-telemetry-fields-on-file-downloadprefetch","canonical_anchor":"extra-telemetry-fields-on-file-downloadprefetch","heading":"Extra telemetry fields on file download\/prefetch","tier":"internal","area":"Telemetry","url":"https:\/\/changelogs.core-directive.com\/v\/2.1.281\/e\/extra-telemetry-fields-on-file-downloadprefetch","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.281","markdown":"### Extra telemetry fields on file download\/prefetch\n\nFile download statistics now record reused, prefetched and shared downloads and the slowest wait times\n\n**What**\n\nThe statistics Claude Code records about file downloads gain `reused_file_count`, `prefetched_file_count`, `joined_in_flight_count`, `slowest_time_to_headers_ms` and `slowest_join_wait_ms`.\n\n**Why**\n\nThis changes nothing in use. It adds detail to usage data about how downloads perform.\n\n- Area: Telemetry\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 1\/5"}