If your wife is a subscriber having issues, she should report the bug and get it fixed. I have bounced between subbing and preferred since the game came out and never had that issue.
Make sure you have 6 strongholds so you get the maximum conquest bonus. They don't have to be fully unlocked or decorated. Just owning 6 gets you the full bonus.
Knin made an updated concealment operative guide for 6.0: https://docs.google.com/document/d/1hUexZ6tikkhz-n5DMaeo1KcvVxKM1P-r_FONG0afvks/edit?usp=sharing