It was a long wait after the announcement, but XSEED Games announced on Twitter in January 2020 that Rune Factory 4 Special will have dual audio support.
This game only has a Japanese voice track. There is no English dub.
The Nintendo Switch version of Dragon Quest 11 adds a number of improvements, including the ability to choose between an English and Japanese dub in the western release
AI: The Somnium Files support dual audio.
Fire Emblem: Three Houses supports dual audio.
The western release of Disgaea for PS4 and Nintendo Switch retains all features from previous versions including Etna Mode and the ability to choose voice language tracks.