Same here. Got a lot of lag in my village at night (not during daylight though, oddly). I removed many things, but it didn't help. It was only when I killed all the iron golems that my frame rate shot back up. Only happened since update as far as I can tell.
I really hope they do something about this. I was enjoying the Bedrock edition until I saw that my sheep couldn't regrow their wool because the grass growth has become horrendous.
Same here.