🔐 SECURITY: Polygon says PoS nodes still running pre-hardfork Bor or Heimdall binaries have already fallen out of canonical consensus. Operators must upgrade and catch up. The fixes address resource-exhaustion and consensus-edge risks, with no mainnet disruption observed. https://cryptoslate.com/polygon-labs-issues-urgent-client-upgrade-notice-following-austin-and-kyoto-hardforks/(CryptoSlate)