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Apple Seeds macOS Tahoe 26.1 Developer Beta 3 With AI Framework Progress

The update focuses on AI groundwork through MCP integration with initial third‑party model support.

Overview

  • Build 25B5062e is now available to registered developers via System Settings by selecting the macOS Developer Tahoe Beta.
  • Release notes point to ongoing MCP adoption that links Apple’s AI capabilities across platforms.
  • Image Playground gains initial support for third‑party generative models beyond ChatGPT to broaden developer testing.
  • This beta prioritizes bug fixes, performance, and stability with no notable design changes advertised.
  • The release follows the October 6 beta 2 as part of Apple’s steady cadence that observers say is laying groundwork for broader AI features later in the cycle.