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@rydmike rydmike released this 13 May 17:44
· 6 commits to master since this release
2.0.0-dev.1
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2.0.0-dev.1

May 13, 2024

This release adds support for the revised Material-3 ColorScheme released in Flutter version 3.22.

  • CHANGE

    • Bring the internal Material Color Utilities (MCU) library version to parity with its latest package release 0.11.1. Flutter SDK stable 3.22 still uses MCU 0.8.0, but the Flutter master channel is using MCU 0.11.1.
    • The FlexPaletteType.extended tones got two new tones added, tone 2, and 24. It now has 27 tones.

  • NEW

    • Support revised Material-3 ColorScheme with the new colors primaryFixed, primaryFixedDim, onPrimaryFixed, onPrimaryFixedVariant, secondaryFixed, secondaryFixedDim, onSecondaryFixed, onSecondaryFixedVariant, tertiaryFixed, tertiaryFixedDim, onTertiaryFixed, onTertiaryFixedVariant, surfaceDim, surfaceBright, surfaceContainerLowest, surfaceContainerLow, surfaceContainer, surfaceContainerHigh and surfaceContainerHighest.

    • New optional way to specify used seeding algorithm in SeedColorScheme.fromSeeds by providing new enum value FlexSchemeVariant to its variant property.

    • In addition to supporting selection of previously built-in FlexTones, the variant property also supports using Flutter SDK scheme variants tonalSpot, monochrome, neutral, vibrant, expressive, content,rainbow and fruitSalad in property variant in SeedColorScheme.fromSeeds. In Flutter 3.22 only the default tonalSpot is available, but with FSS you can use any of the other variants as well already in Flutter 3.22. The other variants are not yet available in Flutter 3.22, but they are available in the ColorScheme API in the master channel and will be available in Flutter ColorScheme.fromSeed as well, in the next stable release after 3.22. With FSS you can use them already starting from Flutter 3.22.0.

  • BREAKING

    • The Material-3 ColorScheme colors background, onBackground and surfaceVariant have been deprecated since they are also deprecated in Flutter 3.22.
      • These deprecated colors are still supported in SeedColorScheme.fromSeeds and FlexTones, but will be removed in a future release. They are replaced by surface and newer colors like surfaceDim, surfaceBright and surfaceContainerLowest in the new Material-3 ColorScheme in Flutter 3.22.
      • The fact that these deprecated colors are still referenced in the package will reduce its pub.dev score with 10 points, but it is kept for now to maintain compatibility with Flutter 3.22 that also still provides values for the deprecated colors. This package needs to provide the same values to be fully compatible. The ColorScheme colors background, onBackground and surfaceVariant may only be fully removed when they have been removed from the Flutter SDK stable channel. They may, if they can be removed without breaking any styles, be removed in a future release of this package, even if they are still available in the Flutter SDK stable channel.

  • BREAKING STYLES

    • All built-in FlexTones now use the paletteType extended via FlexPaletteType.extended as default for additional tone fidelity. This is needed for compatibility with Flutter 3.22 and its revised ColorScheme.
    • The default tones for the built-in FlexTones have been adjusted to match the new Material-3 ColorScheme in Flutter 3.22. The new tones and default styles are marginally different but also better than in previous Flutter versions. If you need the result and style used in Flutter 3.19 and earlier, you can use the FlexTones.material3Legacy as tones in SeedColorScheme.fromSeeds to get the result FlexTones.material produced in FSS before version 2.0.0 and that was default in Flutter in version 3.19 and earlier.
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