Earlier quoted context omitted.
Is there a morpheme-aware version?
Yes, with different patterns it's possible and the en-gb patterns do this (see https://www.tug.org/tex-hyphen/ ). Morpheme-aware hyphenation does have some oddities, though, like hyphenating helicopter as helico-pter.
Rust seems like a good candidate. The runebender/druid/xi project has an active chatroom [1] full of people [2,3,...] with deep expertise in typesetting, text rendering, etc.
[1] https://xi.zulipchat.com/ [2] https://raphlinus.github.io/ [3] https://joy.recurse.com/~cmyr