Recently imo (and many agree) the newer simpsons arent as good as classics. Here are my ideas to improve,give me feedback and your comments please

1 ) Let them age a little bit! We all know the simpsons would be terrible if they aged,but when i first viewed simpsons i thought bart was a teenager... Let them age but let them keep the personality.. and About maggie... well,be nice of she still didnt talk

2 ) Add some new characters. I mean like when they added Duffman,Bumblebee Man,Sea captain... 'AROUND Springfield' characters,i mean,and especially more stereo types like a british couple
3 ) Show some more of around springfield people. Be nice if we knew more about random people in the simpsons world.
4 ) More 2-part episodes. Like who shot Mr burns/the nedliest catch. Maybe even 3-4 part episodes. Even one of the shorts from tracy ullmen (Maggie in peril) had 3 parts!
5 ) bring back the old versions of treehouse of horror. It used to be halloween themed now its just sci-fi.
6 ) Maybe..Just maybe... Add a new SIMPSON. Let maggie talk (see suggestion 1) and add another baby who cant talk. Of course,this would only work with Suggestion 1.
I know some of these are far-fectch'd and may kill the show....But it could do good.