5.17.0

Created Sep 3, 2026Takeshi Takatsudo

Release notes for 5.17.0.

Released: 2026-09-04

The asset page's details side rail can now be collapsed and expanded with a toggle tab (0eee44478).

Route code assets through the shared details side rail instead of their own layout (bcfd3c0dc).
Keep the details card at a fixed width while the rail collapses, so its contents no longer reflow mid-animation (a052aac2e).
Collapse the details rail's grid row rather than only its paint, so the space is actually reclaimed (856ad6dd6).
Stop the prose dt/dd rules from breaking the Details grid rows (9422069e2, 5beb96506).
Only inject /sitemap.xml when settings.sitemap is enabled (40c89e59a).
Give the language disclosure list an accessible name (597c74828).

Update the zfb peer and development dependency family to 2.15.0 (d9f5b2f64). ts and typescript code fences now resolve to the TypeScript grammar and tsx to TypeScriptReact, where both previously fell back to JavaScript highlighting. Token classes stay on zfb's existing semantic-role vocabulary, so themes need no new rules. zfb's content-pipeline fingerprint moves to v3, so the first build after upgrading re-renders cached content.

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