Some resources regarding the Canadian perspective:
Podcast: The Best Interests of the Child in Canadian family law (with David Morneau) by The Law School Show, https://podcasts.apple.com/ca/podcast/196-the-best-interests-of-the-child-with-david-morneau/id920619712?i=1000551364917
Webinar: Parenting challenges for women with abusive ex-partners under the new Divorce Act Part Two: The best interests of the child by Luke’s Place Legal Director, Pamela Cross, for Women’s Shelters Canada, on January 2022, https://m.youtube.com/watch?v=9LCRWCaFY2I