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Improve SwiftPM minimum platform mismatch diagnostics#182375

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auto-submit[bot] merged 8 commits intoflutter:masterfrom
MohammedTarigg:fix-165420-swiftpm-deployment-target
Mar 4, 2026
Merged

Improve SwiftPM minimum platform mismatch diagnostics#182375
auto-submit[bot] merged 8 commits intoflutter:masterfrom
MohammedTarigg:fix-165420-swiftpm-deployment-target

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@MohammedTarigg MohammedTarigg commented Feb 13, 2026

Fixes #165420.

When using Swift Package Manager plugins, Xcode can fail with a minimum platform mismatch (a package requires a higher iOS/macOS version than the target supports).

This change detects that failure during iOS and macOS builds and prints actionable guidance about increasing the app's minimum deployment target, including which Flutter config-only commands to re-run.

Tests:

  • dart analyze (packages/flutter_tools)
  • dart test test/general.shard/ios/mac_test.dart
  • dart test test/commands.shard/hermetic/build_macos_test.dart

Local E2E repro:

  • Performed locally with throwaway fixtures (not checked in).

@MohammedTarigg MohammedTarigg requested a review from a team as a code owner February 13, 2026 15:47
@github-actions github-actions bot added platform-ios iOS applications specifically tool Affects the "flutter" command-line tool. See also t: labels. a: desktop Running on desktop team-ios Owned by iOS platform team labels Feb 13, 2026
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Code Review

This pull request improves the diagnostics for Swift Package Manager minimum platform version mismatches on both iOS and macOS. It introduces logic to parse these specific errors from the build output and provides clear, actionable instructions to the user on how to resolve them. This is a valuable improvement to the developer experience. The changes are also well-tested. My only suggestion is to refactor the duplicated code between the iOS and macOS build files to improve maintainability.

@vashworth vashworth self-requested a review February 18, 2026 02:31
@github-actions github-actions bot removed the a: desktop Running on desktop label Feb 21, 2026
@MohammedTarigg
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Thanks, that makes sense. I scoped this PR to iOS only and moved the minimum-platform detection to iOS stdout parsing with target-based handling.

@MohammedTarigg
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@vashworth In parseVendoredFrameworksFromPbxproj, we currently only read direct children of PBXGroups named Frameworks and then pick PBXFileReferences.
If a pod/project has nested PBXGroups under Frameworks, we might miss those framework refs. Do you think this is worth handling now (recursive traversal), or should we keep current behavior unless we hit a concrete case?

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@vashworth In parseVendoredFrameworksFromPbxproj, we currently only read direct children of PBXGroups named Frameworks and then pick PBXFileReferences. If a pod/project has nested PBXGroups under Frameworks, we might miss those framework refs. Do you think this is worth handling now (recursive traversal), or should we keep current behavior unless we hit a concrete case?

I'm assuming you mean in reference to #180135. No, I don't think it's worth handling that case unless we have evidence to believe it's needed.

@MohammedTarigg MohammedTarigg force-pushed the fix-165420-swiftpm-deployment-target branch from 23250c4 to 65bfde5 Compare February 28, 2026 04:45
@MohammedTarigg MohammedTarigg force-pushed the fix-165420-swiftpm-deployment-target branch from 321a28c to f711287 Compare March 3, 2026 23:05
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@MohammedTarigg Thanks for your work on this!

@vashworth vashworth added the autosubmit Merge PR when tree becomes green via auto submit App label Mar 4, 2026
@auto-submit auto-submit bot added this pull request to the merge queue Mar 4, 2026
Merged via the queue into flutter:master with commit 6ec6dd1 Mar 4, 2026
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@flutter-dashboard flutter-dashboard bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Mar 4, 2026
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@MohammedTarigg Thanks for your work on this!

@vashworth Thank you for the review and for guiding the scope. I really appreciate the help.

engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Mar 5, 2026
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Mar 5, 2026
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Mar 5, 2026
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Mar 5, 2026
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Mar 5, 2026
Roll Flutter from 46fb7210422d to d3dd7744e81f (33 revisions)

flutter/flutter@46fb721...d3dd774

2026-03-04 [email protected] Show warning when plugins do not support SwiftPM (flutter/flutter#182506)
2026-03-04 [email protected] Give guided message when project is not compatible with SwiftPM (flutter/flutter#182394)
2026-03-04 [email protected] Pass --web-define through to web runner when using --machine mode (flutter/flutter#183228)
2026-03-04 [email protected] Improve SwiftPM minimum platform mismatch diagnostics (flutter/flutter#182375)
2026-03-04 [email protected] Use dart::bin::SetupDartIo to setup dart:io (flutter/flutter#176714)
2026-03-04 [email protected] Roll Skia from 3197848b14ad to ada0b7628c79 (5 revisions) (flutter/flutter#183221)
2026-03-04 [email protected] Roll Skia from fe9e9f22c531 to 3197848b14ad (15 revisions) (flutter/flutter#183198)
2026-03-04 [email protected] refactor: remove material in reorderable_list_test, scroll_notification_test, scroll_physics_test, shortcuts_test, sliver_floating_header_test, snapshot_widget_test (flutter/flutter#182698)
2026-03-04 [email protected] refactor: remove material in pop_scope_test, route_notification_message_test, two_dimensional_utils, two_dimensional_viewport_test (flutter/flutter#182699)
2026-03-04 [email protected] Add dev/benchmarks/README.md (flutter/flutter#182976)
2026-03-03 [email protected] Roll RapidJSON to a branch based on the current upstream head (flutter/flutter#183048)
2026-03-03 [email protected] [Impeller] Update comments to reflect new info about 2-pass rendering (flutter/flutter#183050)
2026-03-03 [email protected] Add vmservices for accessibilityEvaluation (flutter/flutter#182791)
2026-03-03 [email protected] Roll Fuchsia Linux SDK from 0dCDM2oORHwDf_pyb... to JJw5EJ87vLGqFVl4h... (flutter/flutter#183177)
2026-03-03 [email protected] Support mixed color spaces in `Color.lerp` (flutter/flutter#182934)
2026-03-03 [email protected] Add warning when there is a widget with color between `Material` and `ListTile` (flutter/flutter#181402)
2026-03-03 [email protected] [ios]uitest for admob banner in scrollable list gesture issue (flutter/flutter#183128)
2026-03-03 [email protected] Roll Packages from faa4e22 to 9083bc9 (4 revisions) (flutter/flutter#183164)
2026-03-03 [email protected] Build App and native asset frameworks for Add to App FlutterPluginRegistrant (flutter/flutter#183136)
2026-03-03 [email protected] Roll Skia from f886711f180d to fe9e9f22c531 (4 revisions) (flutter/flutter#183155)
2026-03-03 [email protected] Roll Dart SDK from e86dbe9aa742 to c597ef90d2dc (2 revisions) (flutter/flutter#183147)
2026-03-03 [email protected] fix: bump matcher (flutter/flutter#183167)
2026-03-02 [email protected] Use isA to test for exceptions (flutter/flutter#183129)
2026-03-02 [email protected] [two_dimensional_scrollables] Fix tableview janks when first row/column pinned (flutter/flutter#180563)
2026-03-02 [email protected] Add await to callsites of BasicMessageChannel.send (flutter/flutter#182868)
2026-03-02 [email protected] Roll pub packages (flutter/flutter#183133)
2026-03-02 [email protected] Improve FFI code for windowing (flutter/flutter#183098)
2026-03-02 [email protected] [workflow] Update the changelog merge action to fetch the stable branch (flutter/flutter#183132)
2026-03-02 [email protected] Roll Skia from e180358b7a7a to f886711f180d (2 revisions) (flutter/flutter#183130)
2026-03-02 [email protected] Merge changelog from 3.41.3. (flutter/flutter#183131)
2026-03-02 [email protected] Make TextDecoration final and unify maskValue across platforms (flutter/flutter#183070)
2026-03-02 [email protected] Roll pub packages (flutter/flutter#182640)
2026-03-02 [email protected] Enable SwiftPM by default on master and beta (flutter/flutter#182923)

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xxxOVALxxx pushed a commit to xxxOVALxxx/flutter that referenced this pull request Mar 10, 2026
Fixes flutter#165420.

When using Swift Package Manager plugins, Xcode can fail with a minimum
platform mismatch (a package requires a higher iOS/macOS version than
the target supports).

This change detects that failure during iOS and macOS builds and prints
actionable guidance about increasing the app's minimum deployment
target, including which Flutter config-only commands to re-run.

Tests:
- dart analyze (packages/flutter_tools)
- dart test test/general.shard/ios/mac_test.dart
- dart test test/commands.shard/hermetic/build_macos_test.dart

Local E2E repro:
- Performed locally with throwaway fixtures (not checked in).

---------

Co-authored-by: Victoria Ashworth <[email protected]>
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[SwiftPM] Improve the error message if a plugin requires a higher deployment target version

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