Please note that we've updated the Mount & Blade II: Bannerlord save file system which requires you to take certain steps in order for your save files to be compatible with e1.7.1 and any later updates. You can find the instructions here.
Hello, thanks for reporting this issue. Unfortunately, we were unable to respond to this topic when it was first created. If you are still experiencing this issue with the latest live or beta versions of the game, please leave a reply to this thread so we can forward to the team for investigation.
Hello, this issue is quite outdated, faction bonuses had been fixed and after that most of them has been also changed. It seems like faction bonuses work in the current versions of the game, at least most of them, I didn't test avery single one of them.