I appreciate it's been a long time since the creators of this hack replied in this forum, and the last time they did they said they were pretty busy. So not hoping to hear back from them by any means! Just wanted to chime in that I also LOVE this hack. It's literally exactly what I wanted from an enhanced vanilla version of FireRed, like, to a T. All the exact changes. It's so gratifying and I love getting to play a FireRed that feels like a 'Gen 4' or a 'Gen 3.5' version of the game!
Like someone else mentioned above, I also would love to be able to dig in to some of the specific changes that have been made with Pokemon locations/probabilities and updated movesets, TM compatibility, etc.
The PokePorto website (that apparently isn't official?) has a lot of super useful information but not quite as specific as I'd like.
Hopefully the creators come back to this and polish off some of the glitches that have been found! As I said, this is by far my favourite FireRed improvement hack. Bravo!!