From block 531806, smart contracts are activated.
The link   https://github.com/superbitcoin/SuperBitcoin/releases    is available client for Linux. For Windows, there seems to be no updated client.

The client is installed - Sbtc Core version v0.16.0.2-dd2eadd. At block 531805, the synchronization stopped. Can there be a newer version? On the development site http://superbtc.org/ there are no references to the client of the full node