v85.11.0

This minor release introduces Material Elevation support for Bottom Sheet,
Navigation Bar, Slider, and Tabs. Bottom Sheet removed its broken -init
initializer, and some internal clean-up was done to remove iOS 8 support.

New features

Support for Material Elevation expanded to several more components. APIs to
support overriding the computed value for mdc_baseElevation and to respond to
elevation changes are available. Assigning an elevationDidChangeBlock on a
supported component enables code to be executed whenever the component's
elevation changes. This may include state-based elevation changes (like
pressing on a Chip) or when the component's elevation value is changed
programmatically.

Changes

ActionSheet

• Drop iOS 8 work-arounds. (#8120) (Robert Moore)

BottomNavigation

• Test for additionalSafeAreaInsets behavior. (#8113) (Robert Moore)

BottomSheet

• Add MaterialElevation support (#8102) (Cody Weaver)
• Mark init unavailable (#8108) (Cody Weaver)

Elevation

• Fix spelling typos. (#8114) (Robert Moore)

NavigationBar

• Add MaterialElevation support. (#8115) (Cody Weaver)
• Add doc to note UIBarButtonItem cannot be used in UIPopoverPresentationController. (#8129) (Wenyu Zhang)

Slider

• Add MaterialElevation support (#8127) (Cody Weaver)

Tabs

• Add MaterialElevation support (#8116) (Cody Weaver)

Typography

• Drop iOS 8 pragmas. (#8119) (Robert Moore)

private/Color

• Fix Math import. (#8104) (Robert Moore)

schemes/Typography

• Remove CoreText dependency. (#8132) (Robert Moore)
• Remove iOS 8 code. (#8118) (Robert Moore)