Were there any actual disagreements between the Apostolic Fathers from Clement to Irenaeus?

Between Clement of Rome, Irenaeus, Polycarp, Papias, and Ignatius what are some actual doctrinal disagreements? In your response, please list the relevant writings of the Church Fathers with citations in the usual format such as "Cyprian, *Epistle* 54:14" (Author, *Book* chapter#:section#, see [helpful article](https://jimmyakin.com/2020/08/how-to-decode-mysterious-church-father-citations.html)) .