Client hangs on connecting to Nintendo Switch server

Steps to reproduce:

1. Start a game on Nintendo Switch.

2. Run Minecraft for Windows 10 Edition.

3. Select 'Play' option.

4. Go to 'Friends' tab - the 

5. Try to join.

Result:

Client hangs on "Locating server". User is unable to cancel.

Expected behaviour:
Correctly joining game.

Additional conditions:
This feature sometimes works. There are no error logs nor any information about the problem.