The release notes for all five releases (there are two releases for Canon) list no specifics and simply describe themselves as the “latest” drivers for their respective versions of OS X/macOS.
Playing Catch-up on macOS Sierra, Printer Wars, Knockoff Apple Watch Straps
Dr. Mac follows up on whether or not it’s safe to upgrade to macOS Sierra; a longer-term report on his EcoTank vs. Instant Ink printer comparison; and a lower price on the leather loop Apple Watch bands he bought in July and August (and still loves).