A new feature in macOS Catalina, called Sidecar, will let an iPad act as a second display for the Mac. The Mac can be paired with iPads wired or wirelessly, and will have Apple Pencil support when using the new feature.
Whether you’d like to use your iPad as a drawing display or merely as an extension of your Mac’s screen real estate, you will find numerous third-party solutions in the App Store.
Astro HQ, the company behind some of our most favored digital drawing software solutions, Astropad and Luna Display, has recently announced an update to its Liquid video engine
Launched as a Kickstarter project last year, Luna is now available to everyone, priced at $80 (an extra $20 over the crowdfunded version). The device’s promise is similar to Duet, but accomplishes the task wirelessly and with better precision than its chief competitor.