v6.0.0-rc.2

Bug Fixes

• UI: Fix menu alignment regression (#11469)
• Composition: Fix syntax on no-cors (#11491)
• Addon-docs: Fix MDX handling to ignore babel.config.js (#11495)
• UI: Increase max-height of menu tooltip so scrollbars don't appear (#11471)

Maintenance

• CLI: Add common welcome MDX and cleanup (#11422)
• CSF: Deprecate duplicate titles rather than forbid them (#11476)