Minecraft update out now (version 1.16.40)

Minecraft has been patched on Switch again and is now at version 1.16.40. With the latest update, a couple of issues have been addressed.

Below are the official patch notes:

• Fixed the Microsoft account sign-in screen repeatedly appearing after losing internet connection on Nintendo Switch (MCPE-95651)
• Fixed an issue with the account sign-in button becoming unresponsive after backing out of the sign-in prompt screen

Source