Right now Im working on overhauling the background art first cause i agree it does look messy. Character's will probably be done later once i find the right artist. 
Im working  on some new dialogue for the characters since "Character's dont react to changes" has been a big theme in the user feedback so far. Though those  new dialogue lines will not come in the next update (next update is focused more on the Captain). I have the code systems made for reacting to changes, but its lot of dialogue to write, a lot a lot. The check myself button will be some thing I will be working on in 6.3 or 6.4. It just stares at me while im playtesting lol.

Im a little hesitant to do combined transformations due to the amount of work (mostly dialogue writing) involved. Its not off the table, but i wanna get the dialogue for the main transformations done first. There was feedback a couple of months back to change it from 4 transformations in a transformation route to 7 or 8. That is something i will probably end up doing, but it will take time. Maybe i can get it done in early december or somthing, but i have no date written down.

So to answer your final questions:

1. Yes there is plan for more tf writing (doing it now but wont be in next update). "Better" all depends on my ability to write good lol. I am a coder by trade so writing is not my strong suite yet lol.

2. Commisioned art - Yes there will be commisioned art thanks to the Patreons (eventually subscribe star once i get that set up). But it wont happen as fast as a like because artists take a bit to make their work look good. The first bit of commisioned art will be the water bottle logo's, that should be coming by end of month (fingers crossed)
If you know any artists who would be willing to work on the project, i would be happy to view their work and talk to them if i think it fits.

Thank you for your feedback!