macOS 26.3 includes references to three upcoming Apple products for March event

Over the past few months, we’ve heard countless rumors about Apple’s upcoming products that may be unveiled in early 2026. This week, Apple confirmed that it will hold an event on March 4 to introduce new devices. However, newly discovered references in macOS 26.3 may offer additional clues about what to expect from Apple’s March event.

The final build of macOS 26.3 was released to Mac users last week. A deep dive into the operating system by Macworld revealed references to products Apple could announce at its March 4 event. According to the report, kernel extensions for three new devices were found in macOS 26.3. These devices are identified by the codenames J700, J427, and J527.

Based on previous reports, J700 is believed to be the codename for Apple’s low-cost MacBook, which is reportedly powered by the A18 Pro chip. The device is expected to cost under $1,000 and launch in fun, vibrant colors, as it is aimed at students and first-time Mac buyers looking for a more affordable option.

As for the J427 and J527 codenames, they are believed to refer to two new Studio Display models. A previous report from Bloomberg’s Mark Gurman pointed to the first half of 2026 as the expected timeframe for the debut of Apple’s Studio Display 2, and we may finally see the next-generation Studio Display unveiled at the March 4 event.

Apple is allegedly developing two variants of the Studio Display 2. The first is said to be a more affordable 27-inch model featuring an A19-series chip, mini-LED backlighting, and a 90Hz or 120Hz refresh rate. The starting price is expected to remain at $1,599.

A second Studio Display model is also reportedly in development. However, details about this variant remain undisclosed. It could feature a larger 32-inch panel along with additional premium features.

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Posted Saturday 21 February 2026 at 6:05 am AEST (my time).

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