public static void checkNowAndInform() {
		try {
			inform(retrieveLatestVersionAsync().get(), false);
		} catch (ExecutionException e) {
			throw new ExitException(BaseCommand.EXIT_GENERIC_ERROR, "Couldn't retrieve latest jbang version");
		} catch (InterruptedException e) {
			// Ignore
		}
	}
Check if a new JBang version is available and if so notify the user. This
code will block while doing the check.
src/main/java/dev/jbang/util/VersionChecker.java