Can I change the display format for keys?
Yes, on rekordbox 5.4.3 or later version you can select [Classic] or [Alphanumeric] in [Preferences] > [View] > [Key display format].

[Classic] : Abm,B,Ebm,F#,…
[Alphanumeric] : 1A,1B,2A,2B,…
[Display key information on the database] : If this is checked, keys are displayed in the same format as the one rekordbox 5.4.2 or earlier version was displaying.
