And we know He went ahead and made Confirmation vogue a month and a half later at Pentecost.
However, ya know what else Christ instituted on Holy Thursday?
Holy Orders. And He did it by washing the feet of His apostles one by one and charging them with serving others with the same humble abandon that He exemplifed whilst on His Divine Knees, doing the reviled work of the lowest of slaves.
Did the Apostles receive Holy Orders before they were confirmed?