MMH5.5 - Heroes of Might and Magic 5.5

Good day.
I downloaded the mod from MODDB – I'm thrilled with the rework of the talent tree and the addition of new heroes. The governorship system from the fourth installment (even though it's a bit clunky) is excellent.
However, I have a question: I'm playing on the highest difficulty level, but the AI doesn't upgrade its units to the highest tiers. Is this a bug, a feature, or does it simply lack the resources to buy and upgrade them?

I also noticed that when I choose an aggressive AI, it still plays cautiously, doesn't attack each other, and doesn't attack me either. It just runs around the map and captures mines from each other. Is this also intentional? The starting positions on the map are all shifted to the right, and the bone leg is selected in the faction selection menu.

Thank you in advance for your answer.

Added 5 minutes later

Hello, I need a Russian language pack for the latest version of the mod.

https://www.moddb.com/mods/might-magic-h ... on-rc16b
I installed this one. Not everything is translated, but it's enough to play.