Recently, all new Crystal releases has introduced only new features for very specific use-cases, or made old ones easier or better to use. For example the new "

Recently, all new Crystal releases has introduced only new features for very specific use-cases, or made old ones easier or better to use. For example the new "begin-less and end-less ranges" — unless you need such a thing; there is no need to use it, or give it any care alltogether.