v6.75.0-beta.79

Version 6.75.0-beta.79

🛠 Fixes & Updates

• beta: reset callout headings to H2s (#941) (08220ba), closes /github.com/readmeio/markdown/blob/ad07529eef2513e83072dc31f0469a5f36603957/components/Callout/index.jsx#L11