I'm using the most recent version of the beta
And I haven't messed with any files
Every English town, fort, village I visited, Pagan is the dominant religion.
When talking to Ulf on his farm when asking him not to attest at The Assembly. You chose to challenge the bezerker but I believe Reginald ask you to reconsider, then you choose challenge the bezerker again. This allows you to boost your reputation and renown twice. Definitely not game breaking it's still a bug.