Stratocaster
Smash Ace
Just FYI, the AI is not improved in 20XX. The only differences are DI and teching, but these are not accomplished by changing the AI at all (no one knows how to change the AI) but instead it's a overwrite of what the AI says to do by directly writing to the offsets which control which DI or teching directly. It's a little hard to explain (I know this cause I wrote the DI and teching code first for Gecko but Achilles' is better). Some of these could be possible, but a new code would have to be written which is janky and just says "when this is true, make this happen." The phantasm one may be doable if we can say "when in these coordinates, when fox does a firefox animation, make phantasm happen instead." It couldn't really be smart about setting himself up for one or aiming it well. A lot of these may be possible in an indirect way like this, but each takes time and DOL space. Some like wall jumping, using shield to block, sweetspoting, and stalling requires too much situational awareness to be doable though.Continue to incrementally improve cpu AI and tech skill.
A few huge examples would be Fox/Falco using Fantasm to recover as well as Firefox/bird up and drop to ledge.
Marth stalling with side B aiming for upB sweet spot.
Luigi utilizing down B.
Samus using bomb jumps and air dodge grapple.
Wall Jump recoveries.
CPU using shield and OoS options.
Anyway what I want you to understand is the AI cannot currently be changed, though it may be worked around perhaps.
I remember hearing the current Taunt Cancel code IE made does have an impact on gameplay. I can't find the quote right now. It'd probably be best as a toggle.2. Taunt Canceling
-While not nearly as important as the first, I think having the option to enable taunt canceling via the debug menu (or having it enabled all the time) would be another entertaining addition to the 20XX pack, similar to the N-64 L canceling feature. I've gotten great feedback by including taunt canceling in my 20XX version, and as far as I know there are no competitive repercussions to including this feature.