Have to say really like this plugin, only wish list would be a log tracking users login history.
I have the exact same issue as above.
“I updated today to v 1.3.1
Now the multiple passwords set in parent page do not work on child pages. Worked fine before update.”
I use 1.2.5 on another site works fine, installed 1.3.1 on new site and does not inherit passwords on child pages. Tried everything as bonevet has mentioned.