Drop Dart 2 support - #1013

Draft

greglittlefield-wf wants to merge 16 commits into

drop-dart-2-support

Commits on Aug 6, 2026

Drop Dart 2 support: raise sdk floor to >=3.9.0, remove Dart-2-only files

greglittlefield-wf
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claude
committed
8625e61
Lower SDK bound (and language version) to 3.0.0 for now
greglittlefield-wf
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601a3a2
Fix mixins in builder
greglittlefield-wf
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dce6bdd
Convert classes to mixins to fix Dart 3 errors
greglittlefield-wf
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25a2fb2
Deprecate mixins that never should have been exported
greglittlefield-wf
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3bd0d6e
Update changelog
greglittlefield-wf
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f13894d
Migrate to new analysis option
greglittlefield-wf
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054af3d
Remove old script
greglittlefield-wf
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d5b6337
Update changelog
greglittlefield-wf
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3acff39
Reinstate link step
greglittlefield-wf
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d5865b8
Fix unreachable default warnings
greglittlefield-wf
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ad61d41
Update gha-dart-oss to v0.1.14 and use Dart 3 (stable)

greglittlefield-wf
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claude
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f33349a
Remove analyzer_plugin Dart 2 CI run
greglittlefield-wf
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9229f01
Make $ConnectPropsMixin to fix build errors
greglittlefield-wf
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cff4747
Disable format check
greglittlefield-wf
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51c99db
Remove non-null safe tests not valid under Dart 3
greglittlefield-wf
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f8187a1