This is a list of some fixes for Minecraft: New Nintendo 3DS Edition mods.
These are all just my personal preferences and are completely optional.
mc3ds-modern fix:
This fix returns the Russian language and removes strangely replaced blocks.
Delete these files:
sd:/luma/titles/%title%/romfs/loc/en_GB-pocket.blang
sd:/luma/titles/%title%/romfs/loc/en_US-pocket.blang
sd:/luma/titles/%title%/romfs/loc/ru_RU-pocket.blang
sd:/Minecraft 3DS/scripts/Megapack Block Names.lua
sd:/Minecraft 3DS/scripts/Megapack Block Names.lua
sd:/Minecraft 3DS/scripts/Megapack recipes.lua
sd:/Minecraft 3DS/scripts/megapack creative inventory.lua