{"version":"2.1.299","anchor":"file-uploads-can-carry-an-upload-lane-header","canonical_anchor":"file-uploads-can-carry-an-upload-lane-header","heading":"File uploads can tell the server which upload lane they belong to","tier":"internal","area":"Cloud Sessions","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.299\/e\/file-uploads-can-carry-an-upload-lane-header","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.299","markdown":"### File uploads can tell the server which upload lane they belong to\n\nFile uploads can now send an `x-claude-code-upload-lane` header when an upload lane is chosen\n\n**What**\n\nWhen Claude Code uploads a file, it can now add an `x-claude-code-upload-lane` header, a short label sent with the request, if the upload was given a lane. The other upload headers are unchanged.\n\n**Why**\n\nThe header is a routing hint the server can see and use to handle different kinds of uploads separately.\n\n- Area: Cloud Sessions\n- Names: `x-claude-code-upload-lane`\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 2\/5\n- Scope: individual\n- Heads-up: no"}