MacObserver says the products affected include the hardware-based DisplayLink, along with the app-based Air Display, Duet, and iDisplay. We’re hearing reports, such as this comment from Dana Stevens, that the recent update to macOS 10.13.4 High Sierra is breaking third-party dual-display systems (see “ macOS 10.13.4 High Sierra Adds Business Chat and External GPU Support,” 30 March 2018). #1660: OS updates for sports and security, Drobo in bankruptcy, why TidBITS doesn't cover rumors.#1661: Mimestream app for Gmail, auto-post WordPress headlines to Twitter and Mastodon, My Photo Stream shutting down.
#1662: New Macs, 12 top OS features for 2023, vertical tabs in Web browsers, watchOS 9.5.1.#1663: Exploring the Apple Vision Pro, 12 more OS features coming in 2023, new Apple service features, Apollo shuts down.#1664: Real system requirements for OS 2023, beware Siri creating alarms instead of timers.