Borodin P.M.
The Lord requires the faithful Thyatirans to hold firmly to the established truth. They must not permit themselves to depart from it or introduce innovations until the very coming of the Lord. The Lord Himself calls Himself the morning star and the daystar (see Rev 22:16; 2 Pet 1:19).
By the name of the Church of Thyatira one must understand not the historical Church, but the prophetic and mystical Church. The local Church of Thyatira has long since ceased to exist, and even in antiquity it was insignificant.
It may be supposed that, under the name of Thyatira, the Lord addresses the Church of the age after the Ecumenical Councils.