Mark Gardner@demiguise @nixCraft It had always been discouraged since #Perl 5.000’s release in 1994: https://github.com/Perl/perl5/blob/a0d0e21ea6ea90a22318550944fe6cb09ae10cda/pod/perlvar.pod#user-content-pod27
As to “why”—you’d have to ask either #LarryWall or #AndyDougherty.
