Material Components/CHANGELOG and Material Components Releases

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124.2.0

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Changelog History

Page 16

v80.0.0 Changes
🚀 This major release introduces Dynamic Type support for Typography Schemes as well as ✅ UIFontMetrics-like support for Dynamic Type for Material Typography. It also includes snapshot tests for additional components and less-restrictive badging for Tabs.

💥 Breaking changes

MDCTypographyScheming has a new non-optional API, mdc_adjustsFontForContentSizeCategory that is YES if the returned fonts should use the new Dynamic Type APIs available from Material Typography. Existing implementations may wish to migrate (at least initially) by returning NO as a read-only 👍 value until support can be added.
```
- (void)mdc_adjustsFontForContentSizeCategory {
  return NO;
}
```
```
public var mdc_adjustsFontForContentSizeCategory: Bool {
  return false;
}
```
🆕 New features

👌 Improved Dynamic Type Support

⚡️ The Typography and TypographyScheme components have been updated for improved Dynamic Type support. 👍 Most clients will make use of this support through MDCTypographyScheme, though it is possible to create scalable fonts manually via MDCFontScaler within Typography. The new scaling curves have ⚡️ been updated for last year's refresh of Material Design typography and font values.

Objective-C
```
// Typography Scheme is the most typical way to receive scalable fonts.
MDCTypographyScheme *typographyScheme = [[MDCTypographyScheme alloc] initWithDefaults:MDCTypographySchemeDefaultsMaterial201902];
UIFont *scaledBody1Font = [typographyScheme.body1 mdc_scaledFontForCurrentSizeCategory];

// If Typography Schemes aren't used, it's possible to create the fonts manually.
// Initial set-up to apply scaling curves to a base UIFont.
UIFont *baseFont = [UIFont systemFontOfSize:18.0];
MDCFontScaler *body2Scaler = [[MDCFontScaler alloc] initForMaterialTextStyle:MDCTextStyleBody2];
UIFont *scalableFont = [body2Scaler scaledFontWithFont:baseFont];

// Now UIFonts appropriate for Dynamic Type size categories can be created anywhere.
UIFont *baseFontScaledToDefault = [scalableFont mdc_scaledFontAtDefaultSize];
UIFont *baseFontScaledForExtraLarge = [scalableFont mdc_scaledFontForSizeCategory:UIContentSizeCategoryExtraLarge];
UIFont *baseFontScaledForCurrentSizeCategory = [scalableFont mdc_scaledFontForCurrentSizeCategory];
```
Swift
```
// Typography Scheme is the most typical way to receive scalable fonts.
let typographyScheme = MDCTypographyScheme(defaults: .material201902)
let scaledBody1Font = typographyScheme.body1.mdc_scaledFontForCurrentSizeCategory()

// If Typography Schemes aren't used, it's possible to create the fonts manually.
// Initial set-up to apply scaling curves to a base UIFont.
let baseFont = UIFont.systemFont(ofSize: 18)
let body2Scaler = MDCFontScaler(forMaterialTextStyle: .body2)
let scalableFont = body2Scaler.scaledFont(with: baseFont)

// Now UIFonts appropriate for Dynamic Type size categories can be created anywhere.
let baseFontScaledToDefault = scalableFont.mdc_scaledFontAtDefaultSize()
let baseFontScaledForExtraLarge = scalableFont.mdc_scaledFont(forSizeCategory: .extraLarge)
let baseFontScaledForCurrentSizeCategory = scalableFont.mdc_scaledFontForCurrentSizeCategory()
```
API changes

Typography

💅 MDCTextStyleButton

🆕 new constant: MDCTextStyleButton

💅 MDCTextStyleCaption

🆕 new constant: MDCTextStyleCaption

💅 MDCTextStyleSubtitle2

🆕 new constant: MDCTextStyleSubtitle2

💅 MDCTextStyleSubtitle1

🆕 new constant: MDCTextStyleSubtitle1

💅 MDCTextStyleBody1

🆕 new constant: MDCTextStyleBody1

UIFont(MaterialScalable)

🆕 new method: -mdc_scaledFontForCurrentSizeCategory in UIFont(MaterialScalable)

🆕 new method: -mdc_scaledFontAtDefaultSize in UIFont(MaterialScalable)

🆕 new method: -mdc_scaledFontForSizeCategory: in UIFont(MaterialScalable)

🆕 new category: UIFont(MaterialScalable)

🆕 new property: mdc_scalingCurve in UIFont(MaterialScalable)

MDCFontScaler

🆕 new class method: +scalerForMaterialTextStyle: in MDCFontScaler

🆕 new method: -scaledValueForValue: in MDCFontScaler

🆕 new class: MDCFontScaler

🆕 new method: -init in MDCFontScaler

🆕 new method: -initForMaterialTextStyle: in MDCFontScaler

🆕 new method: -scaledFontWithFont: in MDCFontScaler

💅 MDCTextStyleHeadline4

🆕 new constant: MDCTextStyleHeadline4

💅 MDCTextStyleHeadline3

🆕 new constant: MDCTextStyleHeadline3

💅 MDCTextStyleHeadline2

🆕 new constant: MDCTextStyleHeadline2

💅 MDCTextStyleHeadline6

🆕 new constant: MDCTextStyleHeadline6

💅 MDCTextStyleBody2

🆕 new constant: MDCTextStyleBody2

💅 MDCTextStyle

🆕 new typedef: MDCTextStyle

💅 MDCTextStyleOverline

🆕 new constant: MDCTextStyleOverline

💅 MDCTextStyleHeadline1

🆕 new constant: MDCTextStyleHeadline1

💅 MDCTextStyleHeadline5

🆕 new constant: MDCTextStyleHeadline5

TypographyScheme

0️⃣ MDCTypographySchemeDefaults

🆕 new enum value: MDCTypographySchemeDefaultsMaterial201902 in MDCTypographySchemeDefaults

MDCTypographyScheme

🆕 new property: mdc_adjustsFontForContentSizeCategory in MDCTypographyScheme

MDCTypographyScheming

🆕 new property: mdc_adjustsFontForContentSizeCategory in MDCTypographyScheming

Component changes

🔄 Changes

ActivityIndicator
- ✅ Deflake snapshot tests. (#6934) (Robert Moore)
AppBar
- Fix README code snippet (#6969) (Robert Moore)
- 🔨 Refactor AppBar example table views (#6974) (Brian Moore)
Buttons
- Fix accessibilityTraits in init. (#6948) (Robert Moore)
HeaderStackView
- ✅ Add basic Snapshot tests. (#6923) (Robert Moore)
Ripple
- 🚚 Remove manipulation of clipping for the ripple's superview (#6977) (Yarden Eitan)
ShapeLibrary
- ✅ Add basic Snapshot tests. (#6918) (Robert Moore)
Shapes
- ✅ Add basic Snapshot tests. (#6919) (Robert Moore)
Tabs
- Do not truncate badge text on MDCItemBarCell (#6916) (Andrew Overton)
Typography
- Add Font Scaler (#6871) (ianegordon)
schemes/Typography
- Add new typography scheme with scalable fonts (#6873) (ianegordon)
v79.3.0 Changes
🚀 This minor release fixes a bug in MDCButton's accessibilityTraits value. A recent change introduced 0️⃣ a bug that disabled the default behavior of accessibilityTraits and so they would not ⚡️ automatically be updated when the button was disabled.

🔄 Changes

Buttons
- Fix accessibilityTraits in init. (#6948) (Robert Moore)
v79.2.0 Changes
🚀 This minor release introduces a bug fix and new API to Flexible Header, Beta Theming Extensions for ✅ App Bar and Text Fields, and additional component snapshot tests.

🆕 New features

MDCFlexibleHeaderView has a new API that can be called from UIScrollViewDelegates to notify it of ⚡️ updated adjusted content inset values.
```
func scrollViewDidChangeAdjustedContentInset(_ scrollView: UIScrollView) {
    if #available(iOS 11.0, *) {
      self.appBarViewController.headerView.trackingScrollDidChangeAdjustedContentInset(scrollView)
    }
  }
```
```
- (void)scrollViewDidChangeAdjustedContentInset:(UIScrollView *)scrollView {
  if (@available(iOS 11.0, *)) {
    [self.appBarViewController.headerView
        trackingScrollViewDidChangeAdjustedContentInset:scrollView];
  }
}
```
API changes

AppBar+MaterialTheming

🆕 New extension.

FlexibleHeader

MDCFlexibleHeaderView

🆕 new method: -trackingScrollViewDidChangeAdjustedContentInset: in MDCFlexibleHeaderView

MDCFlexibleHeaderView()

🆕 new category: MDCFlexibleHeaderView()

✂ removed category: MDCFlexibleHeaderView()

modified property: contentView in MDCFlexibleHeaderView()

Type of change: parent.usr

From: c:objc(ext)[email protected]@14987

To: c:objc(ext)[email protected]@15448

TextFields+Theming

🆕 New extension.

🔄 Changes

ActionSheet
- ✅ Add basic Snapshot tests. (#6917) (Robert Moore)
AppBar
- Add theming extension for MDCAppBarViewController (#6903) (Robert Moore)
BottomNavigation
- ⚡️ Fix image updates in ItemView (#6847) (Robert Moore)
- More snapshots for item icons. (#6855) (Robert Moore)
- ⏪ Restore examples titles. (#6869) (Robert Moore)
- ✅ Snapshot test for selection bug (#6843) (Robert Moore)
- ✅ Split alignment snapshot tests. (#6856) (Robert Moore)
- ✅ Use new test icons. (#6898) (Robert Moore)
FlexibleHeader
- ⚡️ update contentInset when tracked view's adjustedContentInset is changed. (#6868) (Wenyu Zhang)
- 🔨 refactor internal helper methods (#6862) (Wenyu Zhang)
Ink
- ✅ Add basic snapshot tests. (#6920) (Robert Moore)
ShadowElevations
- ✅ Add basic snapshot tests. (#6829) (Robert Moore)
ShadowLayer
- ✅ Add basic Snapshot tests. (#6921) (Robert Moore)
TextFields
- Add a Theming extension for MDCTextInputControllerFilled. (#6870) (featherless)
private/Snapshot
- ✅ Fix test image scale and clipping. (#6899) (Robert Moore)
- 💅 Adding 4 more test image styles. (#6897) (Robert Moore)
Multi-component changes
- ✅ Include snapshot tests in examples in Podspec (#6895) (Wenyu Zhang)
- Removing nil-coalescing operators per issue #6827 (#6859) (Joe Aguilar)
- ⏪ Revert "[Typography] Dynamic Type 2.0 (#6733)" (#6848) (ianegordon)
v79.1.1 Changes
🚀 This patch release fixes a bug in BottomNavigation where the icons were not showing up correctly.

🐛 Bugs closed in this release
- https://github.com/material-components/material-components-ios/issues/6846
API changes

Component changes

BottomNavigation
- ⚡️ Fix image updates in ItemView (#6847) (Robert Moore)
- More snapshots for item icons. (#6855) (Robert Moore)
- ✅ Snapshot test for selection bug (#6843) (Robert Moore)
v79.1.0 Changes
🚀 This minor release increases our snapshot testing coverage and introduces a migration flag for including UIAccessibilityTraitButton in MDCButton's accessibilityTraits.

🆕 New features

It is now possible to set accessibilityTraits on MDCButton to a custom value that does not include UIAccessibilityTraitButton. To enable this new behavior you must first set 0️⃣ accessibilityTraitsIncludesButton = NO. This flag will eventually default to NO and then be 🗄 deprecated/deleted.

API changes

Buttons

MDCButton

🆕 new property: accessibilityTraitsIncludesButton in MDCButton

🔄 Changes

ActionSheet
- ✅ Fixes broken action sheet tests. (#6743) (Robert Moore)
ActivityIndicator
- ✅ Add basic Snapshot tests (#6826) (Robert Moore)
BottomNavigation
- Clean up internal constants (#6834) (Robert Moore)
- Examples clean-up. (#6718) (Robert Moore)
- Prevents the client from setting the navigation items directly when using the bottom navigation bar controller. (#6773) (Eric Lee)
Buttons
- Allow setting accessibilityTraits. (#6766) (Robert Moore)
Collections
- Clean up interface by removing NS_REQUIRES_SUPER (#6788) (dmaclach)
List
- ✅ Add basic snapshot tests. (#6822) (Robert Moore)
NavigationBar
- ✅ Add basic Snapshot tests. (#6821) (Robert Moore)
PageControl
- ✅ Add basic Snapshot tests. (#6823) (Robert Moore)
ProgressView
- ✅ Add basic Snapshot tests. (#6825) (Robert Moore)
Ripple
- Added a fix for the ripple sometimes blinking when ending animation (#6792) (Yarden Eitan)
- ⚡️ update docs (#6772) (Yarden Eitan)
Snackbar
- ✅ Add basic Snapshot tests. (#6824) (Robert Moore)
- Make initialization threadsafe. (#6768) (Robert Moore)
Tabs
- ✅ Add basic Snapshot tests. (#6801) (Robert Moore)
- Fix badge text truncation bug in MDCItemBarCell (#6786) (Andrew Overton)
Typography
- ✅ Add basic Snapshot tests. (#6828) (Robert Moore)
Multi-component changes
- Dynamic Type 2.0 (#6733) (ianegordon)
- Enable -Wunguarded-availability. (#6776) (featherless)
- ⏪ Revert "[Typography] Dynamic Type 2.0 (#6733)" (#6848) (ianegordon)
- ✅ {Tests} Fix font comparison in Objective-C. (#6789) (Robert Moore)

Type of change:	parent.usr
From:	`c:objc(ext)[email protected]@14987`
To:	`c:objc(ext)[email protected]@15448`

v79.0.1 Changes

This patch release removes NS_REQUIRES_SUPER from several MDCCollectionViewController APIs, removing the requirement to call super.

API changes

Collections

MDCCollectionViewController

Type of change:	Declaration
From:	`- (void)collectionView:(nonnull UICollectionView )collectionView didHighlightItemAtIndexPath:(nonnull NSIndexPath )indexPath NS_REQUIRES_SUPER;`
To:	`- (void)collectionView:(nonnull UICollectionView )collectionView didHighlightItemAtIndexPath:(nonnull NSIndexPath )indexPath;`

Component changes

Collections

Clean up interface by removing NS_REQUIRES_SUPER (#6788) (dmaclach)

v79.0.0 Changes
🚀 This major release introduces breaking changes for Swift code that makes use of the MDCContainerScheme and MDCContainerScheming types. It also includes breaking changes for Shapes header files and completes the graduation of Shapes to a production-ready state.

💥 Breaking changes

MDCContainerScheming's and MDCContainerScheme's colorScheme and typographyScheme are now both nonnull. This change will require changes in Swift code that make use of these APIs.

All Shapes headers have been renamed, dropping their New suffix where applicable.

🆕 New features

BottomNavigation

BottomNavigation has two new properties: sizeThatFitsIncludesSafeArea and barItemsBottomAnchor.

👀 See [components/BottomNavigation/README.md](components/BottomNavigation/README.md#deprecations) for more details on the sizeThatFitsIncludesSafeArea property.

barItemsBottomAnchor allows anchoring the Bottom Navigation bar to the safe area layout guide. This API is available on iOS 9.0 and above. Example usage:
```
if (@available(iOS 11.0, *)) {
  [navigationBar.barItemsBottomAnchor
      constraintEqualToAnchor:view.safeAreaLayoutGuide.bottomAnchor]
      .active = YES;
}
```
FlexibleHeader

MDCFlexibleHeaderViewController introduces a new safeAreaDelegate that can be used to change which view controller is used when extracting top safe area insets.

API changes

BottomNavigation

MDCBottomNavigationBar

🆕 new property: sizeThatFitsIncludesSafeArea in MDCBottomNavigationBar

🆕 new property: barItemsBottomAnchor in MDCBottomNavigationBar

FlexibleHeader

MDCFlexibleHeaderSafeAreaDelegate

🆕 new method: -flexibleHeaderViewControllerTopSafeAreaInsetViewController: in MDCFlexibleHeaderSafeAreaDelegate

🆕 new protocol: MDCFlexibleHeaderSafeAreaDelegate

MDCFlexibleHeaderViewController

🆕 new property: safeAreaDelegate in MDCFlexibleHeaderViewController

ContainerScheme

MDCContainerScheming

modified property: colorScheme in MDCContainerScheming

Type of change: Swift declaration

From: var colorScheme: Any? { get }

To: var colorScheme: Any { get }

modified property: colorScheme in MDCContainerScheming

Type of change: Declaration

From: @property (readonly, nonatomic, nullable) id colorScheme;

To: @property (readonly, nonatomic, nonnull) id colorScheme;

modified property: typographyScheme in MDCContainerScheming

Type of change: Swift declaration

From: var typographyScheme: Any? { get }

To: var typographyScheme: Any { get }

modified property: typographyScheme in MDCContainerScheming

Type of change: Declaration

From: @property (readonly, nonatomic, nullable) id typographyScheme;

To: @property (readonly, nonatomic, nonnull) id typographyScheme;

MDCContainerScheme

modified property: colorScheme in MDCContainerScheme

Type of change: Swift declaration

From: var colorScheme: UnsafeMutablePointer<Int32>? { get set }

To: var colorScheme: UnsafeMutablePointer<Int32> { get set }

modified property: colorScheme in MDCContainerScheme

Type of change: Declaration

From: @property(nonatomic, nullable, readwrite) MDCSemanticColorScheme *colorScheme

To: @property (assign, readwrite, nonatomic, nonnull) int *colorScheme;

modified property: shapeScheme in MDCContainerScheme

Type of change: Declaration

From: @property(nonatomic, nullable, readwrite) MDCShapeScheme *shapeScheme

To: @property (assign, readwrite, nonatomic, nullable) int *shapeScheme;

modified property: typographyScheme in MDCContainerScheme

Type of change: Swift declaration

From: var typographyScheme: UnsafeMutablePointer<Int32>? { get set }

To: var typographyScheme: UnsafeMutablePointer<Int32> { get set }

modified property: typographyScheme in MDCContainerScheme

Type of change: Declaration

From: @property(nonatomic, nullable, readwrite) MDCTypographyScheme *typographyScheme

To: @property (assign, readwrite, nonatomic, nonnull) int *typographyScheme;

Component changes

🔄 Changes

BottomAppBar
- hide swift example from Catalog. (#6725) (Wenyu Zhang)
BottomNavigation
- Make Controller available on iOS 8. (#6719) (Robert Moore)
- 🚚 Remove deprecation notice from sizeThatFitsIncludesSafeArea (#6727) (featherless)
- sizeThatFits: ignores safe area (#6717) (Robert Moore)
🔊 Dialogs
- Fix presented corner radius in custom view controllers (#6696) (Galia Kaufman)
FlexibleHeader
- FlexibleHeader changes (#6748) (Andrew Overton)
NavigationDrawer
- 🚚 remove beta references from navigation drawer (#6742) (Yarden Eitan)
PageControl
- 🛠 Fixes MDCPageControl not properly revealing page indicators. (#6714) (Yarden Eitan)
Multi-component changes
- 👍 Add autolayout support (#6612) (Robert Moore)
- Fix colorScheme and typographyScheme to be nonnull. (#6699) (Cody Weaver)
- 🚚 Move shapes from components/private to components/ - Part 3 (last part) (#6734) (Yarden Eitan)
- Slight changes to Cards targets + rewrite rules (#6749) (Andrew Overton)
- 👍 Support titlePositionAdjustment (#6721) (Robert Moore)
- ⚡️ updated jazzy yaml files to include framework root (#6750) (Yarden Eitan)
v78.0.1 Changes
🚀 In this patch release we have provided a ChipTextField example along with some Beta theming bug fixes.

🔄 Changes

ActionSheet
- Removing theming extensions dependency on themers (#6654) (Cody Weaver)
- 🚚 Remove Beta test from Ready component (#6677) (Cody Weaver)
🔊 Dialogs
- Fix button font in Theming Extension (#6638) (Robert Moore)
Ripple
- 🏗 Add Ripple snapshot test target to BUILD file (#6698) (Andrew Overton)
Multi-component changes
- ✅ Fixing Snapshot Tests (#6618) (Andrew Overton)
- Use MDCChipTextFieldScrollView to replace leftView functionality for flexibility and extensibility (#6686) (Wenyu Zhang)
v78.0.0 Changes
🚀 This major release promotes the Shape libraries from private to ready, as well as promoting Action Sheet to ready by migrating it from the MaterialComponentsBeta podspec to the MaterialComponents main podspec. Lastly, we've increased our snapshot test coverage across multiple components.

💥 Breaking changes

⚡️ Moving both Shape libraries, Shapes and ShapeLibrary, from components/private/ to components/ is a breaking change. Clients need to migrate over and update their imports to point to the new location of the Shape libraries.

API changes

ActionSheet

🆕 New component - promoted to Ready.

ShapeLibrary

🆕 New component - Migrated to components/ from components/private.

Shapes

🆕 New component - Migrated to components/ from components/private.

Component changes

Multi-component breaking changes
- 💥 Breaking: Move shapes from components/private to components/ - Part 2 (#6664) (Yarden Eitan)
🔄 Changes

ActionSheet
- Promote to Ready (#6613) (Cody Weaver)
BottomAppBar
- Fix FAB location when RTL changes. (#6644) (Robert Moore)
- ✅ Add basic snapshot tests. (#6643) (Robert Moore)
ButtonBar
- ✅ Add basic snapshot tests. (#6662) (Robert Moore)
Buttons
- ✅ Add states snapshot tests. (#6639) (Robert Moore)
Cards
- [Ripple] Integrate the new ripple and states into the Cards component (#6621) (Yarden Eitan)
🔊 Dialogs
- add an example for custom dialog view controller themed by theming extension (#6601) (Wenyu Zhang)
- ✅ Add snapshot tests to MDCAlertController (#6641) (Robert Moore)
NavigationDrawer
- ✅ Expose the a11y identifier so it can be reached for testing purposes. (#6659) (Yarden Eitan)
- add a11y identifier for the nav drawer scrollview (#6629) (Yarden Eitan)
Ripple
- [States] Moving touch handling ownership away from the ripple view (#6615) (Yarden Eitan)
Shapes
- shape path nil check (#6616) (Yarden Eitan)
Slider
- ✅ Add basic snapshot tests. (#6640) (Robert Moore)
TextFields
- ⚡️ Updates to SimpleTextFIeld and InputChipView prototype (#6647) (Andrew Overton)
Multi-component changes
- ⚡️ Fix snapshot testing after Cocoapods 1.6.0 update (#6611) (Andrew Overton)
- ⚡️ Revert "[Cocoapods] Fix snapshot testing after Cocoapods 1.6.0 update (#6611)" (#6619) (Andrew Overton)
v77.0.0 Changes
🚀 In this release we made improvements to BottomNavigationBar and landed stateful ripple in the ripple (beta) component.

💥 Breaking changes

BottomNavigationBar

✂ Removed a deprecated API:
```
@property(nonatomic, assign) UIEdgeInsets itemsContentInsets
```
🆕 New features

BottomNavigationBar

Blur

BottomNavigation can use blur in its background when not fully opaque
```
self.bottomNavBar.backgroundBlurEnabled = YES;
```
Long item titles

We automatically truncate titles that go out of bounds but added a flag to allow some clients to still overflow.
```
self.navigationBar.truncatesLongTitles = NO;
```
Stateful Ripple

We added this new component that simplifies the intersection of states and ripples.

You can set the state of the ripple like so:
```
    statefulRippleView.isRippleHighlighted = true
...
    statefulRippleView.isSelected = true
```
API changes

BottomNavigation

MDCBottomNavigationBar

🆕 new property: backgroundBlurEffectStyle in MDCBottomNavigationBar

🆕 new property: backgroundBlurEnabled in MDCBottomNavigationBar

🆕 new property: truncatesLongTitles in MDCBottomNavigationBar

✂ removed property: itemsContentInsets in MDCBottomNavigationBar

Ripple

MDCRippleState

🆕 new enum: MDCRippleState

🆕 new enum value: MDCRippleStateSelected in MDCRippleState

🆕 new enum value: MDCRippleStateDragged in MDCRippleState

🆕 new enum value: MDCRippleStateHighlighted in MDCRippleState

🆕 new enum value: MDCRippleStateNormal in MDCRippleState

🆕 new typedef: MDCRippleState

MDCStatefulRippleView

🆕 new class: MDCStatefulRippleView

🆕 new method: -rippleColorForState: in MDCStatefulRippleView

🆕 new property: selected in MDCStatefulRippleView

🆕 new property: allowsSelection in MDCStatefulRippleView

🆕 new property: rippleHighlighted in MDCStatefulRippleView

🆕 new method: -setRippleColor:forState: in MDCStatefulRippleView

🆕 new property: dragged in MDCStatefulRippleView

Component changes

🔄 Changes

BottomNavigation
- Add blur example (#6589) (Robert Moore)
- Badge size grows with value (#6594) (Robert Moore)
- 👍 Add support for blur effect. (#6587) (Robert Moore)
- Delete itemsContentInsets API (#6584) (Robert Moore)
- Extend ripple to bar bounds. (#6586) (Robert Moore)
- Fix "centered" alignment. (#6604) (Robert Moore)
- Fix Item View layout. (#6603) (Robert Moore)
- Fix badge position and font. (#6602) (Robert Moore)
🔊 Dialogs
- 🚚 Remove internal usage of Themers. (#6572) (Robert Moore)
- add an example for themed button with emphasis (#6600) (Wenyu Zhang)
- hide non main examples in Catalog (#6576) (Wenyu Zhang)
Ripple
- [Ripple] Provides a Stateful Ripple implementation (#6591) (Yarden Eitan)
Multi-component changes
- Fix ripple layout issues with autolayout (#6588) (Yarden Eitan)
- {kokoro} Fix develop (#6575) (Robert Moore)

Type of change:	Swift declaration
From:	`var colorScheme: Any? { get }`
To:	`var colorScheme: Any { get }`

Type of change:	Declaration
From:	`@property (readonly, nonatomic, nullable) id colorScheme;`
To:	`@property (readonly, nonatomic, nonnull) id colorScheme;`

Type of change:	Swift declaration
From:	`var typographyScheme: Any? { get }`
To:	`var typographyScheme: Any { get }`

Type of change:	Declaration
From:	`@property (readonly, nonatomic, nullable) id typographyScheme;`
To:	`@property (readonly, nonatomic, nonnull) id typographyScheme;`

Material Components changelog

[In maintenance mode] Modular and customizable Material Design UI components for iOS

Changelog History Page 16

💥 Breaking changes

🆕 New features

👌 Improved Dynamic Type Support

Objective-C

Swift

API changes

Typography

💅 MDCTextStyleButton

💅 MDCTextStyleCaption

💅 MDCTextStyleSubtitle2

💅 MDCTextStyleSubtitle1

💅 MDCTextStyleBody1

UIFont(MaterialScalable)

MDCFontScaler

💅 MDCTextStyleHeadline4

💅 MDCTextStyleHeadline3

💅 MDCTextStyleHeadline2

💅 MDCTextStyleHeadline6

💅 MDCTextStyleBody2

💅 MDCTextStyle

💅 MDCTextStyleOverline

💅 MDCTextStyleHeadline1

💅 MDCTextStyleHeadline5

TypographyScheme

0️⃣ MDCTypographySchemeDefaults

MDCTypographyScheme

MDCTypographyScheming

Component changes

🔄 Changes

ActivityIndicator

AppBar

Buttons

HeaderStackView

Ripple

ShapeLibrary

Shapes

Tabs

Typography

schemes/Typography

🔄 Changes

Buttons

🆕 New features

API changes

AppBar+MaterialTheming

FlexibleHeader

MDCFlexibleHeaderView

MDCFlexibleHeaderView()

TextFields+Theming

🔄 Changes

ActionSheet

AppBar

BottomNavigation

FlexibleHeader

Ink

ShadowElevations

ShadowLayer

TextFields

private/Snapshot

Multi-component changes

🐛 Bugs closed in this release

API changes

Component changes

BottomNavigation

🆕 New features

API changes

Buttons

MDCButton

🔄 Changes

ActionSheet

ActivityIndicator

BottomNavigation

Buttons

Collections

List

NavigationBar

PageControl

ProgressView

Changelog History

Page 16