Some observations that may be helpful for any future web searchers: I was primarily interested in getting the Saturn version of Nocturne in the Moonlight (AKA Symphony of the Night) running on the Switch, preferably in English. There are three...
Bug found in the most recent patch: In case 27, Dimmy is supposed to leave the restaurant if you bring him a rice ball, but the game doesn't recognize it if you have the patch applied. I had to revert to Japanese to complete the quest.
Patch update 1.5.0 has been published.
The game is now 94% fully translated.
Overall, these are minor changes not too different from the last update patch, but here are some highlights:
More NPC text translated
Equipment text and effects...
I'm stuck at the bicycle quest in Chapter 2 where Nate wants you to buy 1 of each of the 4 ice creams at the convenience store. He refuses to let the story advance no matter what I do. I tried selling all my ice cream and buying the 4 again, no...
Presumably it will support newer versions at least, but until Nintendo adds support for a game that doesn't work with 1.4.6, it's unnecessary. All the games they've released since 1.4.6 work fine when added manually (aside from N64, of course).