Matthew Poole and continuators on 2 Kings 23:22

22 Surely there was not holden such a passover , from the days of the judges that judged Israel, nor in all the days of the kings of Israel, nor of the kings of Judah:

i. e. Celebrated with such Solemn care, and great Preparation, and numerous Sacrifices, 2 Chron. 35. 7, 8, 9. and universal Joy of all good men; which was much the greater, because of their remembrance of the former wicked and miserable times under Manasseh, and Amon; and the good hopes they now had of the happy Establishment of their Nation, and the True Religion; and of the prevention of God's Judgments denounced against them.

Or, from the days of Samuel, the last of the Judges; as it is expressed 2 Chron. 35. 18. None of the Kings had taken such care to prepare themselves, the Priests, and People, and accurately to observe all the Rites, and diligently to purge out all uncleanness, and to renew their Covenant with God, so solemnly as Iosiah now did.