v6.4.0-beta.6

Features

• Core: HMR for StoryIndex server (#16160)

Bug Fixes

• Angular: Make types generic for angular's built-in decorators (#16266)
• Args: Re-render the whole container when args or globals change (#16264)

Maintenance

• CSF: Add CSF2 play function example (#16121)
• Core: Unified story specifiers (#16220)