{"version":"2.1.318","anchor":"new-gzip-blocks-mode-field-in-the-request-body-telemetry-rec","canonical_anchor":"new-gzip-blocks-mode-field-in-the-request-body-telemetry-rec","heading":"Request reports now record a gzip blocks mode","tier":"internal","area":"API Requests","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.318\/e\/new-gzip-blocks-mode-field-in-the-request-body-telemetry-rec","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.318","markdown":"### Request reports now record a gzip blocks mode\n\nA report about request bodies now also records a gzip blocks mode, and stream blocks are now marked when they finish\n\n**What**\n\nA record Claude Code keeps about the bodies of its requests to Anthropic now also carries a gzip blocks mode field. Gzip is a common way of compressing data. Two other pieces are new:\n\n- A record listing which request shapes were sent and which were rejected.\n\n- Handling that marks a block of a streamed reply as finished when the server says it has stopped.\n\n**Why**\n\nThis suggests a way of compressing request bodies in blocks is being tested.\n\n- Area: API Requests\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 1\/5\n- Scope: individual\n- Heads-up: no"}