jellyfin-server/Jellyfin.Server/Properties/launchSettings.json

{
  "profiles": {
    "Jellyfin.Server": {
      "commandName": "Project",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    },
    "Jellyfin.Server (nowebclient)": {
      "commandName": "Project",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      },
      "commandLineArgs": "--nowebclient"
    }
  }
}