# to-do for 0.6pre1.5-0.6pre2 - rewrite the system name detection function anyway - this involves the addition of a new "system" field in the song (which solves the problem) - songs made in older versions will go through old system name detection for compatibility - Game Boy envelope macro/sequence - volume commands should work on Game Boy - ability to customize `OFF`, `===` and `REL` - stereo separation control for AY