solidity.index.json contains all information
{
"node": {
"downloadUrl": "https://github.com/ethereum/solidity/releases/download/v0.8.0/solc-windows.exe",
"release": {
"publishedAt": "2020-12-16T17:40:49Z",
"url": "https://github.com/ethereum/solidity/releases/tag/v0.8.0",
"id": "MDc6UmVsZWFzZTM1MzUzODcy",
"name": "Version 0.8.0",
"description": "Solidity 0.8.0 is a breaking release of the Solidity compiler and language.\r\n\r\nFor a detailed explanation of the new features and changes, please see the [blogpost](https://blog.soliditylang.org/2020/12/16/solidity-v0.8.0-release-announcement/).\r\n\r\n### Breaking Changes:\r\n*Code Generator: All arithmetic is checked by default"
}
}
}
]},"url": "https://github.com/ethereum/solidity/releases/tag/v0.8.0",
"name": "Version 0.8.0"}]}This includes recompiled from source below 0.6.6