Apple’s Xcode 26.6 update adds native support for Google Gemini in the coding assistant, making Gemini available directly inside the IDE for the first time. Apple also says Xcode 26.6 adds support for the Agent Client protocol.developer.
The release arrived on June 25, 2026, as Xcode 26.6 build 17F113. Apple’s developer site lists the release as a standalone Xcode update, while later Xcode 27 beta notes confirm that Gemini is available in the coding assistant and that the new agent tooling is part of Apple’s broader coding-intelligence push.developer.
For developers, the practical change is that Gemini can now be selected as a built-in coding assistant within Xcode rather than being wired in through workarounds. Apple’s release notes indicate the IDE is moving toward a more native agent workflow, with Apple also extending Xcode’s support for agent protocols and related tools in its next major version.
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