The Old Covenant was indeed fading away, but centuries before Gospel times. And how did the Old Covenant fade away? It faded in glory with every prophetical announcement and typological foreshadowing of the coming New Covenant. An incremental Ichabod.
4. The Old Covenant – including the Feasts – was already beginning to fade in Jeremiah’s day
4. The Old Covenant – including the Feasts – was already beginning to fade in Jeremiah’s day