{"id":"tp-36995","type":"article-newspaper","title":"Polkadot Details JAM Migration Plan but Sets No Mainnet Date","author":"Simon Yoon","publisher":"TOKENPOST Inc.","url":"https://www.tokenpost.com/news/technology/36995","datePublished":"2026-10-21T20:06:26.000Z","dateModified":"2026-10-21T20:06:26.000Z","language":"en","abstract":"A 255-validator stress test and working prototypes mark development progress. The broader transition still needs testing and security reviews.","section":"Technology","references":[]}