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[material_ui] Remove obsolete SurfaceTint defaults template - #13276
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SurfaceTint defaults template
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This pull request removes the generated token properties and template generator for SurfaceTint, as it is no longer recommended by the Material 3 specification. The existing surface tint elevation opacities in elevation_overlay.dart are preserved as legacy values for backwards compatibility, and the corresponding generator code, templates, and tests have been removed. There are no review comments, and I have no feedback to provide.
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| // Ordered by increasing elevation. | ||
| // Surface tint is no longer recommended by the Material 3 specification, but | ||
| // these values are preserved for backwards compatibility. | ||
| const List<_ElevationOpacity> _surfaceTintElevationOpacities = <_ElevationOpacity>[ |
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Do you think these will be removed at some point? Should we leave a TODO and/or file a bug for that?
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Yes! This feature is an early M3 feature and has been deprecated by material team for a while, so we should remove it eventually. I added a TODO to remove the surface tint feature, including these values, and linked it to flutter/flutter#188435.
Removing it might involve some breaking changes (I vaguely remember it might impact Material which has been used everywhere in material_ui), so I'm thinking maybe we can consider it as next year okr, along with M2 cleanup.
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flutter/packages@93baed9...108dad0 2026-10-22 [email protected] [material_ui] Migrate M3 IconButton template to use new gen_defaults (flutter/packages#12922) 2026-10-22 [email protected] [material_ui] Migrate M3 NavigationBar template to use new gen_defaults (flutter/packages#13067) 2026-10-22 [email protected] [material_ui] Remove obsolete `SurfaceTint` defaults template (flutter/packages#13276) 2026-10-22 [email protected] [material_ui] Migrate M3 Radio template to use new gen_defaults (flutter/packages#13210) 2026-10-22 [email protected] [material_ui] Migrate M3 NavigationDrawer template to use new gen_defaults (flutter/packages#13068) 2026-10-22 [email protected] [image_picker_ios] PR 3/5 Split SPM packaging and migrate the plugin class to Swift (flutter/packages#13235) 2026-10-22 [email protected] [ci] Increase check-discovery timeout in release workflows (flutter/packages#13392) 2026-10-22 [email protected] [material_ui] Migrate M3 `Switch` template to use new gen_defaults (flutter/packages#13274) 2026-10-22 [email protected] [material_ui] Migrate M3 PopupMenu template to use new gen_defaults (flutter/packages#13209) 2026-10-22 [email protected] [material_ui] Add day and weekday builders to CalendarDatePicker and showDatePicker (flutter/packages#12587) 2026-10-22 [email protected] [material_ui] Migrate M3 `SearchView` template to use new gen_defaults (flutter/packages#13272) 2026-10-22 [email protected] [material_ui] Migrate M3 `TextField` template to use new gen_defaults (flutter/packages#13275) 2026-10-22 [email protected] [material_ui] Migrate M3 RangeSlider template to use new gen_defaults (flutter/packages#13215) 2026-10-22 [email protected] [go_router] Keep web autocomplete focused in shell routes (flutter/packages#13348) 2026-10-22 [email protected] [shared_preferences_android] Fix web compilation of apps that import the package (flutter/packages#13380) 2026-10-22 [email protected] [material_ui] Migrate M3 NavigationRail template to use new gen_defaults (flutter/packages#13069) 2026-10-22 [email protected] [material_ui] Migrate M3 SearchBar template to use new gen_defaults (flutter/packages#13216) 2026-10-22 [email protected] [material_ui] Fix for time picker error in locales that do not use Latin digits (flutter/packages#13035) 2026-10-22 [email protected] [material_ui] Fix MenuAnchor scrollbar safe-area padding (flutter/packages#12470) 2026-10-22 [email protected] [material_ui] Document Material 3 fallback for Divider.color and VerticalDivider.color (flutter/packages#12967) 2026-10-22 [email protected] [material_ui] Migrate M3 tabs template to use new gen_defaults (flutter/packages#13139) 2026-10-22 [email protected] [material_ui] Migrate M3 progress indicator defaults to new gen_defaults (flutter/packages#13026) 2026-10-22 [email protected] [google_sign_in] Convert the iOS example app and UI tests to Swift (flutter/packages#13271) If this roll has caused a breakage, revert this CL and set the roller to dry run mode using the controls here: https://autoroll.skia.org/r/flutter-packages-flutter-autoroll Please CC [email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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flutter/packages@93baed9...108dad0 2026-10-22 [email protected] [material_ui] Migrate M3 IconButton template to use new gen_defaults (flutter/packages#12922) 2026-10-22 [email protected] [material_ui] Migrate M3 NavigationBar template to use new gen_defaults (flutter/packages#13067) 2026-10-22 [email protected] [material_ui] Remove obsolete `SurfaceTint` defaults template (flutter/packages#13276) 2026-10-22 [email protected] [material_ui] Migrate M3 Radio template to use new gen_defaults (flutter/packages#13210) 2026-10-22 [email protected] [material_ui] Migrate M3 NavigationDrawer template to use new gen_defaults (flutter/packages#13068) 2026-10-22 [email protected] [image_picker_ios] PR 3/5 Split SPM packaging and migrate the plugin class to Swift (flutter/packages#13235) 2026-10-22 [email protected] [ci] Increase check-discovery timeout in release workflows (flutter/packages#13392) 2026-10-22 [email protected] [material_ui] Migrate M3 `Switch` template to use new gen_defaults (flutter/packages#13274) 2026-10-22 [email protected] [material_ui] Migrate M3 PopupMenu template to use new gen_defaults (flutter/packages#13209) 2026-10-22 [email protected] [material_ui] Add day and weekday builders to CalendarDatePicker and showDatePicker (flutter/packages#12587) 2026-10-22 [email protected] [material_ui] Migrate M3 `SearchView` template to use new gen_defaults (flutter/packages#13272) 2026-10-22 [email protected] [material_ui] Migrate M3 `TextField` template to use new gen_defaults (flutter/packages#13275) 2026-10-22 [email protected] [material_ui] Migrate M3 RangeSlider template to use new gen_defaults (flutter/packages#13215) 2026-10-22 [email protected] [go_router] Keep web autocomplete focused in shell routes (flutter/packages#13348) 2026-10-22 [email protected] [shared_preferences_android] Fix web compilation of apps that import the package (flutter/packages#13380) 2026-10-22 [email protected] [material_ui] Migrate M3 NavigationRail template to use new gen_defaults (flutter/packages#13069) 2026-10-22 [email protected] [material_ui] Migrate M3 SearchBar template to use new gen_defaults (flutter/packages#13216) 2026-10-22 [email protected] [material_ui] Fix for time picker error in locales that do not use Latin digits (flutter/packages#13035) 2026-10-22 [email protected] [material_ui] Fix MenuAnchor scrollbar safe-area padding (flutter/packages#12470) 2026-10-22 [email protected] [material_ui] Document Material 3 fallback for Divider.color and VerticalDivider.color (flutter/packages#12967) 2026-10-22 [email protected] [material_ui] Migrate M3 tabs template to use new gen_defaults (flutter/packages#13139) 2026-10-22 [email protected] [material_ui] Migrate M3 progress indicator defaults to new gen_defaults (flutter/packages#13026) 2026-10-22 [email protected] [google_sign_in] Convert the iOS example app and UI tests to Swift (flutter/packages#13271) If this roll has caused a breakage, revert this CL and set the roller to dry run mode using the controls here: https://autoroll.skia.org/r/flutter-packages-flutter-autoroll Please CC [email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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Work toward flutter/flutter#187899.
Fixes flutter/flutter#188435.
Surface tint is no longer recommended by the Material 3 specification, so it should not be migrated to the new gen_defaults.
This PR removes the obsolete
SurfaceTinttemplate and generated defaults. The existing elevation and opacity values remain hard-coded in elevation_overlay.dart for backwards compatibility.The runtime behavior remains unchanged.
Pre-Review Checklist
[shared_preferences]///).