A few moments ago, a video was uploaded on Nintendo switch YouTube channel in which Shinya Takahashi gave us Metroid prime 4 development updates.
He says ” the game has not reached the standards expected in a sequel to the Metroid Prime series” and “the current development status of the game is very challenged”
The video was shared in Japanese and English too.
Check out Japanese Video:
Here is the video in English:
Source: JapaneseNintendo