Ha, I just wanted to bring up Pure Data as example. It takes backwards compatibility very seriously. Patches written 20 years ago should run just fine on any re

Ha, I just wanted to bring up Pure Data as example. It takes backwards compatibility very seriously. Patches written 20 years ago should run just fine on any recent Pd version. In fact, Miller Puckette strives for at least 50 years of support. Pd just had its 25th anniversary, so there are at least 25 more years to go :-)