v7.17beta [testing] is released!

[Brain2000]

3. From the GUI, if you go into a wifi interface that is set up as PSK, and simply click “Apply”, the passphrase will be corrupted and you’ll have to go back and retype it.
   Under the hood it sets the passphrase to \E2\80\A2\E2\80\A2\E2\80\A2\E2\80\A2\E2\80\A2\E2\80\A2\E2\80\A2\E2\80\A2 no matter what it was prior.
   This issue has an easy workaround, don’t save anything from the GUI.

Maye be a Winbox 4 bug and not related to this specific ROS version. But as I always said for years: I don’t trust Winbox.

This was the www interface.