Over the past few months, we have been working closely with ASIX to test and validate proposed DriverKit enabled implementations for AX88179 (USB 3.0/C Ethernet IC) devices. In November 2020, we published an article on our blog with details about the issue, posted a set of Beta drivers at the time, and committed to providing updates, when possible, about a complete Dext-compatible driver package, which we have been eagerly awaiting ourselves as macOS users. While we take their plug and play functionality for granted, Ethernet drivers are complex, and building stable, performant drivers on the new DEXT architecture and the requisite new code signing process, was not a trivial task. Specifically, for Plugable (and other major brands), the new driver architecture caused compatibility issues with USB Ethernet adapters featuring the ASIX AX88179 chipset used in our USB3-E1000 and USBC-E1000 adapters, among others. One of the biggest changes was a complete overhaul related to how Hardware Drivers interface with the Operating System (System Extensions, KEXTs, were deprecated in lieu of Driver Extensions, DEXTs). But as with other software launches, the update had some significant changes.

MacOS 11 (Big Sur) was a hotly anticipated update to Apple’s operating system.

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