v6.4.0

This release adds a new Callout component and significantly restructures pattern-library documentation for components (for clarity and consistency).

What's Changed

• Update pattern-library documentation structure for "Input" components. by @lyzadanger in #1086
• Update pattern-library documentation for "layout" components by @lyzadanger in #1087
• Update PointerButton and its documentation by @lyzadanger in #1090
• Update Tab and TabList: documentation, don't use ButtonBase by @lyzadanger in #1092
• Update Slider documentation by @lyzadanger in #1091
• Update shared-annotations sketches per PRD decisions by @lyzadanger in #1093
• Yarn v3 by @acelaya in #1113
• Consolidate shared-annotations sketches for UX discussion by @lyzadanger in #1115
• Add Callout presentational component by @lyzadanger in #1116

Full Changelog: v6.3.0...v6.4.0