TELUS is currently rolling out OS 10.3.1.2708 (Software version 10.3.1.1865). Just yesterday Rogers rolled out OS 10.3.1.2576 (Software version 10.3.1.1779) for the BlackBerry Passport. OS 10.3.1.2708 is now available for the BlackBerry Passport, Classic, Z10, Z30 and Q10. Let us know what you think about the update in the comments.
Thanks @brotherneil for sending this into us!