DiPietro inked a one-year, two-way contract extension with the Bruins on Wednesday, Mark Divver of the New England Hockey Journal reports.
DiPietro was placed on waivers by the Bruins on Sunday, Chris Johnston of TSN reports.
DiPietro signed a one-year, two-way contract with Boston on Monday.
DiPietro and Jonathan Myrenberg were traded by Vancouver to Boston in exchange for Jack Studnicka on Thursday.
DiPietro was reassigned to AHL Abbotsford on Wednesday, per CapFriendly.
DiPietro was added to the taxi squad Monday.
The Canucks reassigned DiPietro to AHL Abbotsford on Friday.
DiPietro was reassigned from the active roster to the taxi squad Thursday.
DiPietro will defend the blue paint Sunday against visiting St. Louis.
DiPietro was recalled to the active roster from the taxi squad on an emergency basis Friday.