UIKit iOS 15.0 Beta 2 to Beta 3 API Differences

NSTextAttachment.h
Added NSTextAttachmentLayout
Added -[NSTextAttachmentLayout imageForBounds:attributes:location:textContainer:]
Added -[NSTextAttachmentLayout attachmentBoundsForAttributes:location:textContainer:proposedLineFragment:position:]
Added -[NSTextAttachmentLayout viewProviderForParentView:location:textContainer:]
Added NSTextAttachment.lineLayoutPadding
Added +[NSTextAttachment textAttachmentViewProviderClassForFileType:]
Added +[NSTextAttachment registerTextAttachmentViewProviderClass:forFileType:]
Added NSTextAttachment.allowsTextAttachmentView
Added NSTextAttachment.usesTextAttachmentView
Added NSTextAttachmentViewProvider
Added -[NSTextAttachmentViewProvider initWithTextAttachment:parentView:textLayoutManager:location:]
Added NSTextAttachmentViewProvider.textAttachment
Added NSTextAttachmentViewProvider.textLayoutManager
Added NSTextAttachmentViewProvider.location
Added NSTextAttachmentViewProvider.view
Added -[NSTextAttachmentViewProvider loadView]
Added NSTextAttachmentViewProvider.tracksTextAttachmentViewBounds
Added -[NSTextAttachmentViewProvider attachmentBoundsForAttributes:location:textContainer:proposedLineFragment:position:]
Modified NSTextAttachment
Protocols
FromNSSecureCoding, NSTextAttachmentContainer, UIAccessibilityContentSizeCategoryImageAdjusting
ToNSSecureCoding, NSTextAttachmentContainer, NSTextAttachmentLayout, UIAccessibilityContentSizeCategoryImageAdjusting

UIAccessibility.h
Modified UIAccessibilityShouldDifferentiateWithoutColorDidChangeNotification
Declaration
FromNSString *const UIAccessibilityShouldDifferentiateWithoutColorDidChangeNotification
Toconst NSNotificationName UIAccessibilityShouldDifferentiateWithoutColorDidChangeNotification

UIActivityItemsConfigurationReading.h
Added UIActivityItemsConfigurationMetadataKeyLinkPresentationMetadata
UIButton.h
Removed -[UIButton preferredSizeForConfiguration:maximumWidth:]
UIDeferredMenuElement.h
Added +[UIDeferredMenuElement elementWithUncachedProvider:]
UIDiffableDataSource.h
Added NSDiffableDataSourceSnapshot.reloadedSectionIdentifiers
Added NSDiffableDataSourceSnapshot.reloadedItemIdentifiers
Added NSDiffableDataSourceSnapshot.reconfiguredItemIdentifiers
UIListSeparatorConfiguration.h
Added UIListSeparatorConfiguration.visualEffect
UIMenuElement.h
Added UIMenuElement.subtitle
UISheetPresentationController.h
Added UISheetPresentationController.largestUndimmedDetentIdentifier
Modified UISheetPresentationController.smallestUndimmedDetentIdentifier
AvailabilityReplacement
FromAvailablenone
ToDeprecatedlargestUndimmedDetentIdentifier

UIToolTipInteraction.h
Removed -[UIToolTipInteractionDelegate toolTipInteraction:toolTipAtPoint:boundingRect:]
Removed -[UIToolTipInteractionDelegate toolTipInteraction:toolTipAtPoint:]
Added UIToolTipConfiguration
Added UIToolTipConfiguration.toolTip
Added UIToolTipConfiguration.sourceRect
Added +[UIToolTipConfiguration configurationWithToolTip:]
Added +[UIToolTipConfiguration configurationWithToolTip:inRect:]
Added -[UIToolTipInteractionDelegate toolTipInteraction:configurationAtPoint:]