V1
Longform essay
Sticky ToC sidebar · long body · pull quotes · author bio · related · comments.
Periphery
/blog-post/v1
V2
Visual essay
Fullscreen image hero · alternating photo/text stripes · author bio.
The Margins
/blog-post/v2
V3
Newsletter style
Narrow centered column · minimal header · author · share strip.
Dispatch Weekly
/blog-post/v3
V4
Documentation
Left ToC · main body with anchors · On-this-page right rail.
Foundry Docs
/blog-post/v4