Two new Apple Studio Displays could gatecrash March MacBook announcements

References to two new Apple Studio Display models have been found in macOS 26.3 code, stacking up more potential product announcements before the May 4 Apple "Experience."


Apple has confirmed that it will hold a special event on March 4, with rumors suggesting it could follow a week of announcements. A low-cost MacBook is expected to be the star of the show.

Now, references to codenames J427 and J527 have been found in the macOS 26.3 update. Those codenames match a report from September 2025 that pegged both products as being Apple Studio Displays.


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