There has been considerable discussion of the "New Perspective on Paul":

New Perspective on Paul—

https://en.wikipedia.org/wiki/New_Perspective_on_Paul

The new perspective on Paul represents a significant shift in the way some scholars, especially Protestant scholars, interpret the writings of the Apostle Paul.
Paul, especially in his epistle to the Romans, advocates justification through faith in Jesus Christ over justification through works of the Law. In the historic Lutheran and Reformed perspective, known as sola fide, theologians understood Paul as arguing that Christians' good works would not factor into their salvation - only their faith would count. But according to the "new" perspective, Paul was questioning only observances such as circumcision, dietary laws, and Sabbath laws (these were the 'boundary markers that set the Jews apart from the other nations), not good works in general.

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