Marriott Bonvoy points are so valuable thanks to the ability to transfer Bonvoy points to 40 airlines. But unfortunately, that long list of transfer partners just got a little shorter. As Marriott confirmed to AwardWallet, the JetBlue TrueBlue program is no longer a partner for point transfers or Hotel + Air packages as of July 1, 2021. Here’s what that means for the Marriott Bonvoy program.