To clarify, the KK version also had a patch that "fixed" a number of issues - it is this patched KK version that this retranslation is based on. As for why, this would be because the KK version simply has less missing text than the Ren'py version. This is not just text that was intentionally redacted, but text that is missing in a way that you can see the following sentences do not make sense without.
This may well be the case and we do hope that will indeed occur, in which case this patch will become redundant at no expense to anybody and Sekai's free overhaul will be to the benefit o