Commits on Nov 24, 2025

1. [all] Omit obvious local types (#10511) …

   Makes the analysis options changes described in
   flutter/flutter#178827:
   - Adding
   [omit_obvious_local_variable_types](https://dart.dev/tools/linter-rules/omit_obvious_local_variable_types)
   - Adding
   [specify_nonobvious_local_variable_types](https://dart.dev/tools/linter-rules/specify_nonobvious_local_variable_types)
   - Adding
   [specify_nonobvious_property_types](https://dart.dev/tools/linter-rules/specify_nonobvious_property_types)
   - Adding
   [type_annotate_public_apis](https://dart.dev/tools/linter-rules/type_annotate_public_apis)
   - Removing
   [always_specify_types](https://dart.dev/tools/linter-rules/always_specify_types)
   
   After those changes, makes the following repo-wide changes:
   - `dart fix --apply` in all packages and in script/tool/
   - `dart format` in all packages and in script/tool/
   - `update-excerpts` repo tooling command to update excerpts based on the
   changes to their sources
   
   Also updates the min Flutter/Dart SDK version to 3.35/3.9 for the
   following packages, to avoid `analyze` failures in the `N-2` legacy
   analysis run due to what appears to be a 3.9 change in what the Dart
   analyzer continues to be an obvious local type in loop iterations:
   - go_router
   - google_fonts
   - google_identity_services_web
   - google_maps_flutter_web
   - local_auth_platform_interface
   - metrics_center
   - multicast_dns
   - pigeon
   - rfw
   - shared_preferences
   - two_dimensional_scrollables
   - vector_graphics_compiler
   - mustache_template
   - path_parsing
   
   Because this is causing a significant amount of format churn already, I
   took this opportunity to update the repository tooling to a min Dart SDK
   of 3.8 (the N-2 stable version, so the earliest version we need the
   tooling to support) to pick up the new format style, so the amount of
   automated formatter change is higher in script/tool/ than in the
   packages.
   
   This does contain two manual changes (other than the repo tooling min
   version):
   -
   d700b45
   changes `dynamic` to `Object?` in a few places where `dynamic` caused
   analyzer warnings under the new rule set.
   - Updates the repo tooling to ignore `.dart_tool/` when looking for
   unexpected local `analysis_options.yaml` files, to fix issues running
   the repo tool's `analyze` command locally based on recent changes in
   `dart` behavior.
   
   This does not include any CHANGELOG or version updates; even though we
   normally version any changes to production code, mass automated changes
   like this aren't worth the churn of releasing. This includes changes to
   lib/example/main.dart and to README.md excerpts; while the style changes
   will be user-visible on pub.dev, it's fine for those changes to wait for
   the next release of each package.
   
   Part of flutter/flutter#178827

   

   stuartmorgan-g authored Nov 24, 2025
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