From the label:
"In the absence of solid ground, the whirlwind becomes a whirlpool, and Bon Iver, Bon Iver is Justin Vernon returning to former haunts with a new spirit. The reprises are there – solitude, quietude, hope and desperation compressed – but always a rhythm arises, a pulse vivified by gratitude and grace notes, some as bright as a bicycle bell. The winter, the legend, has faded to just that, and this is the new momentary present. The icicles have dropped, rising up again as grass."
That's the cover art up there; here's the tracklist: