in src/platform-release.js [34:44]
function createPlatformDevVersion (version) {
// e.g. "3.1.0" -> "3.2.0-dev".
// e.g. "3.1.2-0.8.0-rc2" -> "3.2.0-0.8.0-dev".
version = version.replace(/-rc.*$/, '');
const parts = version.split('.');
parts[1] = String(+parts[1] + 1);
const cliSafeParts = parts[2].split('-');
cliSafeParts[0] = '0';
parts[2] = cliSafeParts.join('-');
return parts.join('.') + '-dev';
}