It looks like there's a vanilla issue with druids, where on mental saves (int, wis, cha) in wildshape, the pc stats are used when they should (when higher), but proficiency isn't added.
save with level 11 Circle of the Moon Druid with proficiency in int and wis for reference:
Moon Druid.zip
It looks like there's a vanilla issue with druids, where on mental saves (int, wis, cha) in wildshape, the pc stats are used when they should (when higher), but proficiency isn't added.
save with level 11 Circle of the Moon Druid with proficiency in int and wis for reference: Moon Druid.zip