{"id":"clm_A906325BEF6D","entity":"claude","predicate":"feature_added","value":"automatic caching","value_json":{"feed":"claude-platform-release-notes","item":"https://platform.claude.com/docs/en/release-notes/overview#2026-02-19","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-11-01","themes":["developer_platform"]},"check":{"on":"2026-11-01","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-02-19","pages":1,"quote":"February 19, 2026  We’ve launched automatic caching for the Messages API.","outcome":"checked"},"evidence":"We’ve launched automatic caching for the Messages API. Add a single cache_control field to your request body and the system automatically caches the last cacheable block, moving the cache point forward as conversations grow. No manual breakpoint management required. Works alongside existing block-le","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2026-02-19","valid_to":null,"published":"2026-02-19","recorded":"2026-11-01","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-01T22:37:36.163162+00:00","updated_at":"2026-11-01T23:16:00.299262+00:00","sources":[{"url":"https://platform.claude.com/docs/en/release-notes/overview#2026-02-19","tier":"primary","publisher":"Anthropic","published_at":"2026-02-19T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-01","quote":"February 19, 2026  We’ve launched automatic caching for the Messages API.","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-02-19","excerpt":"We’ve launched automatic caching for the Messages API. Add a single cache_control field to your request body and the system automatically caches the last cacheable block, moving the cache point forward as conversations grow. No manual breakpoint management required. Works alongside existing block-le"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}