in reply to irritation makes perls

The "Object Oriented" features (or hack, depending on your point of view), in their entirety.

And occasionally I'd like autovivification to be a pragma.

And compiling perl with VS2005 or later is a downer.

And the ancient GUI toolkits need makeovers.

And lack of CPAN quality control/source origin verification.

... guess I'll stop here. Much love for perl, though.