{"version":"2.1.287","anchor":"prompt-time-file-attachment-read-ahead-telemetry-fields-remo","canonical_anchor":"prompt-time-file-attachment-read-ahead-telemetry-fields-remo","heading":"File attachment usage data no longer reports read-ahead","tier":"internal","area":"Telemetry","url":"https:\/\/changelogs.core-directive.com\/v\/2.1.287\/e\/prompt-time-file-attachment-read-ahead-telemetry-fields-remo","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.287","markdown":"### File attachment usage data no longer reports read-ahead\n\nUsage data about waiting for attached files no longer says whether read-ahead was enabled or used\n\n**Unclear.** It is not clear whether read-ahead is now always on or has been removed.\n\n**What**\n\nClaude Code sends usage data about how long it waits for attached files. That data no longer says whether read-ahead, reading attached files early, was enabled or used.\n\n**Why**\n\nThis suggests the read-ahead trial has ended.\n\n- Area: Telemetry\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 1\/5"}