Discover how the macOS 26.3 beta reveals details about new MacBook Pro models with M5 Max and M5 Ultra processors, promising performance boosts for professionals.
© A. Krivonosov
The latest beta version of macOS 26.3 has revealed new details about upcoming MacBook Pro models with M5 processors. Within the system, references to two new chips—M5 Max and M5 Ultra—have been discovered, indirectly confirming that Apple's refreshed laptops are imminent. For users anticipating an announcement, this suggests a release could come sooner than expected.
The macOS beta contains internal identifiers T6051 and T6052 with platform codes H17C and H17D. Following Apple's standard naming conventions, these point to the M5 Max and M5 Ultra. Interestingly, mentions of the M5 Pro are absent so far, even though it is also anticipated in the lineup. This could mean Apple is prioritizing the high-end versions of the MacBook Pro first, focusing on maximum performance.
The appearance of these references indicates that the new chips are already being tested and integrated into macOS. The final version 26.3 will likely launch alongside the official laptop announcement. According to Bloomberg, the new models are scheduled within the macOS 26.3 development cycle, meaning the wait shouldn't be long.
Moving to the M5 Max and M5 Ultra promises a significant performance boost, especially for professional users handling video and 3D graphics. For Apple, this is a strategic move to maintain leadership in the laptop segment for creative and technical professionals.