{"kind":"crawlcheck-changelog","v":1,"source":"https://crawlcheck.io/changelog","releases":[{"at":"2026-10-26","what":"Radar: what the top 10,000 sites tell AI crawlers in robots.txt, against what they actually serve them","url":"/radar"},{"at":"2026-10-26","what":"Crawler IP-range history: every change operators make to the IP ranges their crawlers use, read daily","url":"/data/ip-ranges"},{"at":"2026-10-26","what":"Embeddings of the crawler catalogue, glossary, problem codes and census measures","url":"/data/embeddings"},{"at":"2026-10-26","what":"Google crawler verification reads all five of Google's published IP files; eight more Google crawlers identified","url":"/ai-crawlers"},{"at":"2026-10-26","what":"Research method: how the datasets are read, the rules behind every reading, and how to report an error","url":"/research"},{"at":"2026-10-26","what":"Transparency numbers on the trust page: disputes filed and decided, removal requests open, hourly self-checks","url":"/trust#numbers"},{"at":"2026-10-26","what":"One catalogue of every machine surface for AI agents","url":"/.well-known/ai-catalog.json"},{"at":"2026-10-26","what":"This changelog, a site-wide correction log and an accessibility statement","url":"/corrections"}],"release_notes":[{"at":"2026-10-14","what":"Release notes 14 Oct 2026: doors, weekly figures, trial","url":"/blog/release-notes-14-october-2026-doors-signed-weekly-figures-watch-trial"},{"at":"2026-10-03","what":"Release notes 3 Oct 2026: Resolve, census, rulebook","url":"/blog/release-notes-3-october-2026-resolve-protocol-census-rulebook"},{"at":"2026-09-29","what":"Release notes 29 Sep 2026: finding states, sitemap, trust","url":"/blog/release-notes-29-september-2026-finding-states-sitemap-index-trust-center"}],"rule_changes":[{"at":"2026-10-22","id":"sv33","kind":"scoring","applies_to":"report grades","what":"Exposed files and secrets now counts toward Reach and Error pages toward Read. Reports graded earlier keep the stages they were graded with until rescanned.","url":"/policy"},{"at":"2026-10-22","id":"tscope1","kind":"decision","applies_to":"preflight calls that name an MCP endpoint (opt-in)","what":"A preflight for connect or transact may name an MCP endpoint and its approved tool-list hash. The decision then states the endpoint and tool state it covered, blocks when the live tools differ, and needs a person when they cannot be read.","url":"/policy"},{"at":"2026-10-22","id":"adv1","kind":"scoring","applies_to":"report grades and agent decisions","what":"New finding codes start as advisory: shown, but held outside the grade and every decision until measured (see /accuracy). SECRETS_EXPOSED is the first.","url":"/policy"}]}