Apple adds explicit ultrawide display support in macOS 27, shown in WWDC preview June 8. Macs can drive higher resolutions, with the company citing 5K at 120Hz as an example. The OS also enables native scaling for these panels, reducing reliance on third‑party utilities. It also preserves monitor positions across system restarts, ensuring a seamless experience for users who frequently switch workspaces.

This is the first macOS version to treat ultrawide as a standalone feature after years of limited support. Saved arrangements mean users who dock and undock monitors avoid manual repositioning, cutting setup time. Higher‑resolution modes expand workspace on compatible Thunderbolt displays such as LG curved models for professional creators. The capability unlocks true 21:9 productivity, letting developers and editors view more code or timeline without scrolling.

Developer beta released after WWDC; public beta expected summer, full release fall. No details on hardware requirements or whether it relies on specific connection standards. Nonetheless, the addition signals Apple’s push to make high‑end ultrawide panels a practical part of Mac workflows. Early adopters will test it with premium Thunderbolt 4 panels that can carry the bandwidth for 5K at 120Hz streams.