v6.3.0-alpha.15

Features

• Storyshots: Add beforeAxeTest hook (#14563)
• API: Add addon keyboard shortcuts & create shortcuts for addon-viewport (#14658)

Bug Fixes

• Storyshots/Preact: Add pragma @jsxRuntime classic (#13849)
• Core: Don't recreate a bound story function each time we call a decorated story (#14692)

Maintenance

• Build: Add NX bootstrap optimization (#14535)