So I love the new height modifiers, and I'm thankful to the team for that. Another suggestion in the same realm of character customization I was thinking of was phenotype changing, including having access to the heads of that phenotype, too.
My reference for this actually working is, of course, going to be Sinfar in that regard because I'm unaware of any other server doing that amount of customization (sans all the 18+ stuff of course). I was curious if it's possible to do something similar to that however make it more realistic. For example, limiting certain phenotypes to certain races. (I.E. Halfling, Gnome, and Dwarf limited to those races and runts only. The Elf Phenotype limited to Elves and half-elves. The human phenotype limited to Elves of certain types, half-elves, humans, and half-orcs.)
I'm aware it may not be possible exactly how I'm envisioning it however it would be nice for half-orcs for example to not all have to look like bulky brutes when that's not necessarily true for the character. Some half-orcs look more orc than others after all. It's all down to birth and bloodline.