'New' in the Bible

but God found something wrong with his people when he said, "Look! The days are coming, declares the Lord, when I will establish a new covenant with the house of Israel and with the house of Judah.

In speaking of a "new" covenant, he has made the first one obsolete, and what is obsolete and aging will soon disappear.

This is why the Messiah is the mediator of a new covenant; so that those who are called may receive the eternal inheritance promised them, since a death has occurred that redeems them from the offenses committed under the first covenant.

the new and living way that he opened for us through the curtain (that is, through his flesh),

to Jesus, the mediator of a new covenant, and to the sprinkled blood that speaks a better message than Abel's.