Previously, front matter REQUIRED a layout property (e.g. layout: ../../layouts/MarkdownPostLayout.astro) Now, it's ALSO OK to include your layout as an import in "setup":
setup: |
import Layout from '../../layouts/BlogPost.astro'
import SomeOtherComponent from '../../components/SomeOtherComponent.astro'
5. Importing to use the
<Markdown>
component in .astro files now requires curly braces, whereas older versions were lenientX Breaking:
✓ Working: