Via SlashDot, rh2600 writes:

Four days ago, Apple’s latest macOS 10.13.4 update broke DisplayLink protocol support (perhaps permanently), turning what may be hundreds of thousands of external monitors connected to MacBook Pros via DisplayLink into paperweights. Some days in, DisplayLink has yet to announce any solution, and most worryingly there are indications that this is a permanent change to macOS moving forward.

“Users of popular Mac desktop extension app Duet Display are being advised not to update to macOS 10.13.4, due to ‘critical bugs’ that prevent the software from communicating with connected iOS devices used as extra displays,” Tim Hardwick reports for MacRumors. “Users of other desktop extension apps like Air Display and iDisplay are also reporting incompatibility with macOS 10.13.4. DisplayLink-enabled USB graphics devices are also reportedly affected.”

Read more in the full article here.

MacDailyNews Take: Another “Oops!” for Apple.