What types of stepfamilies is more common in current times?

In current times, blended families, where one or both partners have children from previous relationships, are increasingly common. Additionally, cohabiting stepfamilies, where parents live together without formal marriage, are also on the rise. There is also a growing acceptance of diverse family structures, including same-sex stepfamilies. Overall, the traditional nuclear family model is evolving to accommodate a variety of familial arrangements.