Lower minimum SDK constraint to ^3.10.0#9
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The only language feature in use that gates the SDK floor is dot shorthands, which shipped stable in Dart 3.10. pro_lsp itself only requires ^3.10.0, so nothing in the dependency tree needs 3.12. Verified on Dart 3.11.4 (Flutter 3.41.6): dart analyze is clean, all 30 tests pass, dart format is unchanged, and the tool runs end-to-end against the example fixture.
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Summary
Lowers
environment.sdkfrom^3.12.2to^3.10.0(root package and theexample/fixture). This lets ciach be activated on projects still pinned to Flutter 3.38–3.41 (Dart 3.10–3.11), which currently fail version solving:Why 3.10 is a safe floor
.class$,.new(...), etc.), which shipped stable in Dart 3.10. Null-aware elements ('container': ?container) only need 3.8.pro_lspdeclaressdk: ^3.10.0itself, so nothing in the dependency tree requires 3.12.Verification (on Dart 3.11.4 / Flutter 3.41.6)
dart analyze— no issuesdart test— all 30 tests passdart format --set-exit-if-changed .— unchangeddart run bin/ciach.dart example— runs end-to-end, reports the expected fixture declarations// @dart=3.10accepts the shorthand syntax while// @dart=3.9rejects it, so^3.10.0is the true floorNotes
Deliberately not bumping the version or touching the CHANGELOG so you can fold this into your next release however you prefer — happy to add an entry if you'd like. You may also want a second CI job on SDK
3.10to keep the floor honest; also happy to add that here if wanted.