Hello Neyzenemre, Catalina requires the 64 bit version, and 2.20.0 64 runs fine here. Maybe you installed the 32 bit version?
JM > Le 22 avr. 2020 à 14:12, neyzenemre <parduse...@gmail.com> a écrit : > > Is there any way to use Lilypond version 2.21 with Macosx Catalina? The app > unfortunately seems to be a disabled app. > > > > -- > Sent from: http://lilypond.1069038.n5.nabble.com/User-f3.html >