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Increase macOS minimum supported version from 10.15 to 12 to support Xcode 27 #187762

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#188520
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Increase macOS minimum supported version from 10.15 to 12 to support Xcode 27#187762
#188520
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LouiseHsu
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P1High-priority issues at the top of the work listplatform-macosBuilding on or for macOS specificallyt: xcode"xcodebuild" on iOS and general Xcode project managementteam-iosOwned by iOS platform teamtoolAffects the "flutter" command-line tool. See also t: labels.triaged-iosTriaged by iOS platform team

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@jmagman
jmagman
opened on Jun 9, 2026

Xcode 27 minimum macOS deployment target version is macOS 12. Upgrading aligns with policy https://flutter.dev/go/match-xcode-deployment-range.

iOS version at #187741

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P1High-priority issues at the top of the work listplatform-macosBuilding on or for macOS specificallyt: xcode"xcodebuild" on iOS and general Xcode project managementteam-iosOwned by iOS platform teamtoolAffects the "flutter" command-line tool. See also t: labels.triaged-iosTriaged by iOS platform team

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Apple release: Xcode, iOS, macOS
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