Doesn't VHDL have good support for libraries? VHDL packages and subfunctions can have generics (which I've not used) for library support similar to Ada. VHDL en

Doesn't VHDL have good support for libraries? VHDL packages and subfunctions can have generics (which I've not used) for library support similar to Ada. VHDL entities can also have generics (which I have used). I was wondering what was lacking and needs extending/fixing in VHDL.