v4.0.0

4.0.0 (2026-11-05)

⚠ BREAKING CHANGES

• node: CodeHighlightInput has a new public span field, and whole-block code callbacks receive a fourth block argument. createDiagramCodeRenderer returns { html } instead of a string.
• node: make native code engines opt-in
• node: make native code engines opt-in (#574)

Features

• homepage: adopt Ferra design and Ardo 6 (9f7e457)
• homepage: adopt the image-first editorial cover (f742432)
• homepage: adopt the shared image-first editorial design (a9b407e)
• homepage: focus benchmark evidence and simplify getting started (8e92431)
• homepage: focus benchmark evidence and simplify getting started (a0998eb)
• homepage: use shared editorial and reading layouts (f64b3b1)
• integrate Ferrigura as an optional crate feature like Ferriki (3a1040d)
• mermaid: complete deterministic static SVG rendering (#575) (6ee1647)
• node: inject Ferriki and Ferrigura through the same code hooks (db897e9)
• node: pass code hooks to standalone code blocks (42c4dbd)
• node: pass code hooks to standalone code blocks (0c7e887)
• site: show documentation sections as a rotated rail (2aeca28)
• site: show documentation sections as a rotated rail (22f2585)

Bug Fixes

• homepage: adopt compact shared mobile layouts (a7dc7ec)
• homepage: adopt lightly textured metadata footers (3e13386)
• homepage: adopt lightly textured metadata footers (7daea53)
• homepage: adopt matching card grid gutters (a5b2843)
• homepage: adopt warm metadata footers (bf7fc22)
• homepage: adopt warm metadata footers (e28d547)
• homepage: improve mobile spacing and tables (87b3cde)
• homepage: keep generated benchmark content reproducible (33baa2f)
• homepage: match vertical and horizontal card gutters (ab0c596)
• homepage: preserve generated benchmark guide boundaries (dbe90a4)
• homepage: preserve nested metadata text contrast (edcd3b6)
• homepage: preserve nested metadata text contrast (b6eb82f)
• node: make native code engines opt-in (2a82065)
• node: make native code engines opt-in (#574) (2a82065)
• node: satisfy CI contracts for the code hooks (59f37c6)
• site: adopt compact code blocks and unframed docs (#589) (7cdd17d)