Thank you! This answer opened my eyes a bit, and I even checked the Grail – it doesn’t generate resources until the second month with the patch!)

Added 20 minutes later
Question about diplomacy! It is forbidden to develop it to the expert level in online games, but the rules with the patch don’t mention anything about it... that is, the patch doesn’t block developing it to the expert level... How to play correctly without it? And it turns out that you can’t check later – whether someone has used it or not?