*Minor differences ignored. Grouped by changes, with first version listed as example.
When the people are gathered together - When they shall be brought from their dispersion in distant lands; when they shall assemble again in the city of their fathers, and when public worship shall be celebrated there as in former ages.
And the kingdoms, to serve the Lord - The Septuagint and the Latin Vulgate render this, "kings." The reference must be to the time when those of other lands - kings and their people - would be converted to the true religion; when the Gentiles as well as the Jews, then one undistinguished people, would be brought to the knowledge of the true God, and would unite in his worship. See the notes at Isaiah. 60. All of all lands, will yet praise the Lord "as if" they were one great congregation, assembled in one place. Thus, though separate, they will with united feeling recount the mercy and goodness of God to his people in past times.
When the people are gathered together - When all the Gentiles are enlightened, and the kings of the earth brought to pay homage to the King of kings.
When the people are gathered (p) together, and the kingdoms, to serve the LORD.
(p) He shows that Gad's name is never more praised, than when religion flourishes and the church increases: which is chiefly accomplished under the kingdom of Christ.
When the people are gathered together,.... When the people of the Jews shall be gathered together, and seek the Lord their God, and David their King, the Messiah, and appoint them one head, even Christ; and when the Gentiles shall gather together, in great numbers, to the church of God, Hosea 1:11,
and the kingdoms to serve the Lord; even the kingdoms of this world, which will become his, and will serve him in righteousness and holiness, freely and cheerfully, with one shoulder and one content; their kings will fall down before the Lord, and all nations shall serve him, Psalm 72:11, and then will be the time when the prisoners shall be loosed, and the Lord shall be praised in Zion.
When - When the Gentiles shall gather themselves to the Jews, and join with them in the worship of the true God.
*More commentary available at chapter level.