v31.9.0

• Added EuiComboBoxOptionOption prop to EuiComboBox props table (#4563)
• Allowed dynamically changing the direction prop on EuiResizableContainer (#4557)
• Exported useIsWithinBreakpoints hook (#4557)
• Added focus to EuiForm error EuiCallout (#4497)
• Added a display and size props to EuiButtonIcon (#4466)

Bug fixes

• Fixed the return type of getDefaultEuiMarkdownUiPlugins (#4567)
• Fixed inverse handling of boolean sorting in EuiDataGrid (#4561)

Feature: EuiPageTemplate (#4517)

• Added new EuiPageTemplate component as a shortcut for creating the different types of page layout patterns
• Added props grow and direction to EuiPage
• Added props panelled, panelProps, and paddingSize to EuiPageBody
• Added props restrictWidth and paddingSize to EuiPageBody
• Added prop paddingSize to EuiPageHeader
• Updated tabs prop of EuiPageHeaderContent to render large size
• Added prop sticky to EuiPageSideBar
• Added Sass variable $euiPageSidebarMinWidth for changing default min-width of EuiPageSideBar
• Added href and other anchor props to EuiHeaderSectionItemButton

Bug fixes

• Fixed horizontal overflow of EuiPageContent
• Fixed horizontal overflow of EuiBreadcrumbs