The coming 4th of July reminded me ...
If you'er ever out to Lake Havasu (where a lot of "snowbirds" head in the Winter) make sure you check out the firework's industry's annual show. You'll see the latest new stuff.
I was there about 15 years ago, it was amazing. Here's a video of the 2020 show ...
https://www.youtube.com/watch?v=4EMpcR-1hQ4 
Still need to watch the rest.
Some of it doesn't work out for many shows around the country because it's too expensive, not suited for either large/small venues. etc. (Especially the ground display stuff, which tends to be especially dangerous, requiring expert operation).