I notice that a new noteworthy book on Hebrews has just come out:
Ole Jakob Filtvedt. The Identity of God's People and the Paradox of Hebrews. Mohr Siebeck.
"Does the letter to the Hebrews confirm traditional notions of Jewish identity, does it articulate a fresh notion of Christian identity, or is neither of these alternatives adequate? Taking the motif of the "people of God" in Hebrews as his starting point, Ole Jakob Filtvedt explores these questions, and argues that the answer must be related to a paradoxical tension between newness and continuity in Hebrews. Prior attempts to read Hebrews within a supersessionist paradigm are critiqued, but so are more recent interpretations that see Hebrews as confirming a "radical new perspective" on Christian origins."