Of course, the change also means your play might have an impact still: If you use it and find something about the design stinks, wastes your time, induces erro

Of course, the change also means your play might have an impact still: If you use it and find something about the design stinks, wastes your time, induces errors, etc... while the language is still in flux there exists the possibility of fixing these things. In this regard it couldn't be a better time to try it out.