v6.1.0-alpha.1

Features

• Components: Add additionalActions prop to Preview block (#12274)

Maintenance

• Addon-docs: Add transformSource for jsxDecorator, deprecated onBeforeRender (#12178)

Dependency Upgrades

• Update the axe version in addon-a11y to 4.0 (#12150)
• Upgrade react-popper-tooltip to 3.1.0 (#11827)