Only two of the gifts were said not yet to be perfect.
Verse 9, For we know in part, and we prophesy in part.
James had previously explained, Verse,1:17, Every good gift and every perfect gift is from above, and cometh down from the Father of lights, with whom is no variableness, neither shadow of turning.
Paul didn't yet know, per, verse 12, For now we see through a glass, darkly; but then face to face: now I know in part; but then shall I know even as also I am known.
2 Corinthians 5:8, We are confident, I say, and willing rather to be absent from the body, and to be present with the Lord.
He now knows. Per 1 Corinthians 13:12.