Apple Prepares to End Support for Intel-Based Apps with macOS 27

Apple is taking definitive steps toward phasing out support for Intel-based applications on Mac computers, signaling a significant transition for users and developers alike. With the introduction of macOS 26.4, new alerts have surfaced that emphasize the approaching end of compatibility for Intel-compiled software, marking a major milestone in Apple's shift to its proprietary Apple Silicon architecture.

Although Apple began transitioning its Mac lineup to ARM-based Apple Silicon chips in 2020, a substantial portion of the user base continues to rely on Intel-powered Macs. macOS 26 marks the final operating system version that will function on these Intel devices. With the release of macOS 27, only Macs equipped with Apple Silicon will be supported. Additionally, Apple has announced that by the time macOS 28 is released, applications designed for Intel's x86 architecture will no longer be usable, even through compatibility layers.

Current beta versions of macOS 26.4 include pop-up notifications when users attempt to launch Intel-based applications. These warnings inform users that support for such apps will conclude in the near future. Apple has further clarified that Rosetta 2, the translation layer that enables Intel apps to run on Apple Silicon hardware, will only be available through macOS 27. By autumn 2027, with the expected launch of macOS 28, Rosetta 2 support will be removed entirely, resulting in Intel-only apps ceasing to function on Apple's latest machines.

Rosetta 2 played a pivotal role in smoothing the migration from Intel to Apple Silicon, enabling users to continue running legacy software without significant performance compromises. In many cases, Intel-based programs performed as well or even better on Apple Silicon hardware, helping to minimize disruption for end-users and earning positive feedback from both consumers and industry observers.

However, Apple's decision to end Rosetta 2 support and Intel app compatibility places increased pressure on software developers to update their products. The newly introduced notifications serve as a prompt for developers to transition their applications to native Apple Silicon code. This approach also encourages users to request updates from developers, ensuring continued access to their preferred software on future versions of macOS.

This transition mirrors a previous shift in Apple's software ecosystem, specifically the move from 32-bit to 64-bit architecture. In 2019, Apple discontinued support for 32-bit applications in macOS, resulting in the loss of access to older software that had not been updated. Some developers opted not to invest in updating their applications, leaving users to seek alternatives or adapt to new workflows.

The upcoming discontinuation of Intel app support could have similar implications. Users who depend on legacy software may encounter disruptions if those applications are not updated to support Apple Silicon. In such cases, individuals and businesses will need to explore alternative solutions or adjust to new applications compatible with Apple's evolving hardware.

Apple's clear communication regarding the timeline for ending Intel support provides developers and users ample opportunity to prepare for these changes. As the company moves to unify its hardware and software ecosystem around Apple Silicon, the end of Intel app compatibility marks the final chapter of a significant technological transition in the Mac platform's history.

For Mac users and developers, proactive planning and timely updates will be crucial to ensure a smooth experience as Apple advances toward a future built exclusively on its own chip technology.