5-18 are new - plus at least three that i named but didn't count because i haven't done them personally... I think you're missing the point- the old tv shows were saying that you could always find something new to do, not that it would have been built since the last time you were there, that's the great thing about WDW, there are things that have been there for 30 years that I still discover despie >30 trips in addition to new constructions- if you've literally done everything on property and don't want to do things again you should go somewhere else you've spent a very large amount of time and money at WDW- you're not the average guest.
You said you've been 3 times a year for the past 8 years, which means I'm assuming you've been at least once this year. Taking that into account
let's look at 5-18:
5) Be Our Guest Restaurant -
Not new.
6) Under the Sea -
Not new.
7) Enchanted Tales with Belle
8) Princess Fairytale Hall
Different location. I'd hardly call that a new experience.
9) Festival of Fantasy Parade
10) Seven Dwarfs Mine Train
11) Celebrate the Magic Castle Show
12) Anna and Elsa
13) Star Tours (re-opened just over 3 years ago..) -
Not new.
14) Sorcerers of the Magic Kingdom -
Not new.
(only including things that we do/would do (haven't personally done the Mine Train yet)- there are other things at like Wilderness Explorers, the meet and greets in Storybook Circus, Legend of Jack Sparrow, that we don't do)
and things that cost more money but I still include because they're new... especially dining because that's a huge reason why we go to Disney... (if you can't tell Epcot is our favorite park)- again only including places at which we've actually eaten
14) Spice Road Table
15) La Cava -
Not new.
16) Tutto Gusto -
Not new.
17) The ice cream martini place in France -
Not new.
18) refurbished Cali Grill -
Yeah, OK.
Of course I haven't done everything. I have absolutely no desire whatsoever to go to Spice Road Table. Neither does my wife or kids. However, there ARE things that are new at Universal that we all want to do, which is why we spend a week there before going to Disney.
Does that mean I don't love Disney for the nostalgia? Absolutely not. On some levels, Universal won't ever be able to compete with WDW to me. I'm simply pointing out very obvious facts. With Universal, there actually are new things to see each trip that appeal to everyone. Most of what Disney has done as of late is open up a bunch of places to have a drink. That, to me, doesn't count as a new experience.