{"version":"2.1.248","anchor":"user-namespace-mapping-parser-now-reports-host-ranges","canonical_anchor":"user-namespace-mapping-parser-now-reports-host-ranges","heading":"User-namespace mapping parser now reports host ranges","tier":"internal","area":"Sandbox","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.248\/e\/user-namespace-mapping-parser-now-reports-host-ranges","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.248","markdown":"### User-namespace mapping parser now reports host ranges\n\nLinux user-namespace mapping parsing was split out and now returns full host ranges.\n\n**What**\n\nThe code that reads Linux user-namespace ID mappings was split into a pure parser over the file text, which validates all three columns and returns the inner start, host start and count for each range instead of resolving a single fallback ID itself.\n\n**Details**\n\n- Callers can now see where inner IDs land on the host, which the old reader discarded.\n\n**Evidence**\n\n`t.push({ innerStart: o, hostStart: s, count: u });`\n\n- Area: Sandbox\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 1\/5"}