Chronology of Peter's 'Eat and Kill' Vision and Paul rebuking Peter?

According to Biblehub chronolgy:

37 CE, Peter saw a vision in Ac 10:

13 There came a voice to him: “Rise, Peter; kill and eat.” 14 But Peter said, “By no means, Lord; for I have never eaten anything that is common or unclean.” 15 And the voice came to him again a second time, “What God has made clean, do not call common.” 16 This happened three times, and the thing was taken up at once to heaven.

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It seemed that God had changed the dietary law.

48 CE, a decade later, Peter spoke in the Jerusalem Council, Ac 15:

10 "Now, therefore, why are you putting God to the test by placing a yoke on the neck of the disciples that neither our fathers nor we have been able to bear? 11 But we believe that we will be saved through the grace of the Lord Jesus, just as they will.”

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Dietary law was not a salvation requirement, and Peter did not want to burden the Gentile believers with unnecessary OT laws.

James ended the discussion by striking a compromise:

19 "Therefore my judgment is that we should not trouble those of the Gentiles who turn to God, 20 but should write to them to abstain from the things polluted by idols, and from sexual immorality, and from what has been strangled, and from blood.

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It was okay to eat ceremonially unclean animals, provided they were killed properly.

54 CE, 6 years later, Paul rebuked Peter in Ga 2:

11 When Cephas came to Antioch, I opposed him to his face, because he stood condemned. 12 For before certain men came from James, he was eating with the Gentiles; but when they came he drew back and separated himself, fearing the circumcision party. 13 And the rest of the Jews acted hypocritically along with him, so that even Barnabas was led astray by their hypocrisy. 14 But when I saw that their conduct was not in step with the truth of the gospel, I said to Cephas before them all, “If you, though a Jew, live like a Gentile and not like a Jew, how can you force the Gentiles to live like Jews?”

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This sequence highlights the ongoing challenges the early church faced in fully implementing the implications of Gentile inclusion, even years after God had shown Peter's vision.