God gave the Gentiles repentance, Acts 11:18
When God gave the Holy Spirit to the Gentiles in Cornelius’ house, what this showed the Jewish believers was that God had given them repentance leading to life.
Jew versus Gentile
Recognized Leaders May Lapse into Incorrect Positions and Divisiveness
“Heresy” cannot be determined by calling anything that goes in a different direction that specific leaders a heresy, because leaders are sometimes wrong. Peter is an example, though he repented when rebuked for his divisiveness in Antioch.