He’s done a great job wrapping the NI Protocol in some pretty paper and selling it to the Tories and DUP without actually changing it.
Border in the Irish Sea, no hard border between NI and Eire, ECJ retains role as final arbiter of EU law as it impacts the Protocol and Trade between the EU and NI.
The more interesting development is the clear break from deliberately antagonizing the EU to a more pragmatic and cooperative approach.