reactive/Ix.NET/Source/version.json

{
  "version": "4.0.0-preview.1.build.{height}",
  "publicReleaseRefSpec": [
    "^refs/heads/master$", // we release out of master
    "^refs/heads/rel/v\\d+\\.\\d+" // we also release branches starting with vN.N
  ],
  "nugetPackageVersion":{
    "semVer": 2
  }
}