Hi !! I played through all the routes again and so far I noticed :
June's sprite doesn't disappear at the end of chapter 8 (monamo152 mentioned it)
Vexx's route is missing the whole "spending our last day on Tilaarin together" moment (itachum mentioned it)
and less important issue: the day after spending the night with Ryona, when you're talking about her to Nerissa there's a dialogue there that talk about Aya instead of Ryona