Material Dialog

• Add Sass mixin to customize font size.
• Use header as default dialog label.
• Mark current landmarks as role="presentation" to avoid unnecessary grouping.
• Add missing modal visible output.

Material Expansion Panel

• Add missing modal visible output.
• Allow header to have an outline, and control it with keyboard only focus.
• Add aria-expanded to announce when it is opened/closed.
• Add Sass mixin to make save button raised and highlighted.
• Improve a11y.
• Add the ability to tag the content that you would like to focus when an expansion panel opens.

Material Icon

• Add Sass mixin to customize svg icon size.

Material Input

• Update error message for negative percentage value to be "not negative" instead of "positive", because zero is allowed.
• Ensure that aria-disabled is set for the input when the input is disabled.
• Use aria-describedby attribute in the to call out errors.
• Remove TAB focus from disabled multiline input.
• Add Sass mixin for multiline inputs to flex and scroll the text entry.
• Add Sass mixins for setting flex-grow property and the clear icon color.
• Stop hiding character counter from Aria.
• Add role="alert" to error text region.
• Add generic types to MaterialInputDefaultValueAccessor and MaterialNumberValueAccessor.
• Create new Int64 value accessor.
• Pass down the aria-label for leading and trailing glyphs.

Material Menu

• Remove unnecessary escape key handling in MenuItemGroupsComponent.
• Add in aria-label support into the items and groups.
• Open dropdown when navigation keys are pressed.
• Add Sass mixin to customize the item icon size.
• Add aria-expanded to collapsible menu groups.
• Fix item focus bug when the fab menu is opened.
• Improve aria roles for MenuItemGroup items.
• Add keyboard accessibility functionality for active item handling.

Material Progress

• Fix screen reader status messages.

Material Popup

• Add autoDismissBlockers input to block click events in certain elements from closing the popup.
• Support defining custom boundaries around window viewport.
• Ensure footer stays inside popup boundaries.
• Add Sass mixin to override overflow value.
• Fix memory leaks.

Material Stepper

• Announce the current step via the screen reader.
• Provide custom aria label for steps.

Material Select

• Fix issue where a keypress on selected item would re-open dropdown.
• Remove tabIndex from items and let the dropdown control focus instead. Focus is now controlled by the dropdown itself.
• Support keyboard navigation.
• Add Sass mixins to customize:
  • Background color of the selected item.
  • Minimum height of the dropdown buttons.
  • Color of the dropdown icon.
  • Font size of items.
• Allow auto-focusing on the active item.
• Update Sass mixin dropdown-icon-spacing to accept all four margins.

Material Tab

• Add Sass mixin to customize tab strip elevation.

Material Toggle

• Add focus effect.

Material Tooltip

• Remove initAriaAttributes for ink tooltips by default.
• Fix hiding tooltip for MaterialTooltipTargetDirective when focusing inside of it.

Material Tree

• Add allowParentSingleSelection input.
• Don't override state when expandAll hasn't been set.
• Add component generics and pass type through to nodes.

Material Yes/No Buttons

• Add Sass mixin to make yes button raised and highlighted.
• Add Sass mixin to make no button highlighted.

Scorecard

• Fix improper heading hierarchy.
• Fixed scrolling when the average size of the cards is bigger than the client.

Simple HTML Component

• Add attribute doNotVerifyUrlDestinations to allow "normal" external URLs.

Other Updates

Selection Model

• Allow is NullSelectionModel as a replacement for == const SelectionModel.empty(), necessary for typed selection models which can't use const.
• Expose null selection model type to allow type checks.
• Remove deprecated SelectionModel().
• Add isSingleSelect field.

Miscellaneous

• Allow HasTabIndex to not set a TabIndex.
• Fix a bug where sticky elements do not stack when sticky position is BOTTOM.
• Use named providers instead of the soft deprecated provide(...) and Provider(...).
• Update MDC Web styles to v1.1.0
• Tighten public APIs with @visibleForTemplate.
• Enable trigger logic that only considers mouseup events as part of triggersOutside() if the corresponding mousedown event came from the same element.
• Fix runtime cast errors.
• Remove use of ChangeDetectionStrategy.Detached.
• Non-tabbable buttonDirectivesRemove now have no tabIndex instead of -1.
• Many components migrated to OnPush change detection.