chore: require Dart SDK 3.8.0 across all packages#250
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The json_serializable / json_annotation versions used need Dart 3.8.0. Constraints are left as-is so consumers on Dart 3.8.0 still resolve the 3.8-compatible json versions rather than being forced to 3.9.0.
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This was referenced Jun 29, 2026
kopy
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What
3.0.0/3.4.0to>=3.8.0 <4.0.0in every package (and align the Flutter constraint to>=3.32.0, the release that ships Dart 3.8.0).3.27.4to3.32.0.Why
The
json_serializable/json_annotationversions these packages use require Dart 3.8.0. With the previous>=3.0.0floors, the declared SDK range did not match what the code generation toolchain actually needs.json constraints are intentionally left unchanged
json_serializable(^6.7.0/^6.11.1, dev) andjson_annotation(^4.8.1, runtime) are not bumped. The newest releases (json_serializable 6.14.0, json_annotation 4.12.0) require Dart 3.9.0. By keeping the existing caret constraints and setting the floor to 3.8.0, pub's SDK-aware resolution gives consumers on Dart 3.8.0 the highest 3.8-compatible json versions (≈ json_serializable 6.12.x, json_annotation 4.10.x), so consumers are held at 3.8.0 rather than being pushed to 3.9.0. Consumers on 3.9.0+ still get the newest versions.Consumer impact
Because
passkeysdepends on all of its platform implementations (includingpasskeys_web) as regular dependencies, the highest SDK floor in the tree applies to every consumer ofpasskeyson all platforms. This change therefore raises the effective minimum to Dart 3.8.0 for all consumers, which is intentional.Note
The
ci.ymlworkflow's Flutter version is bumped on the #249 branch, since that file is introduced there and does not yet exist onmain.Versions and CHANGELOGs are left to the Melos release tooling.