Secondary display companies are among the latest to get a taste of Sherlocking, after Apple introduced Sidecar as part of the recent Catalina update. Honestly, the feature is far and away the best thing about the latest version of MacOS and as a number of third-party app developers have discovered over the decades, it’s hard to compete with native support.

For Duet Display, staying relevant meant adding Android tablet support. For Luna Display makers Astropad, it’s finding a way for users to dust off their old Macs. An update being released today brings the feature to the dongle-based technology.

Mac-to-Mac lets Luna users use older Mac models as second screens, so you can, say, wireless connect a MacBook to, say, a Mac mini, iMac

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