v0.24.3

Released June 17, 2026 · All releases

Changes

• Add a guestFit media-host axis so a theme declares whether a rune frames its media-zone guests or leaves them alone. RuneConfig.guestFit: 'clip' | 'bleed' (default clip) is emitted by the engine as data-guest-fit on the media zone, a sibling to data-guest-posture.
• This fixes rich guests (sandbox, codegroup, juxtapose) being given rounded corners in bare section hosts like hero and feature: those now declare guestFit: 'bleed', so a rune guest keeps its own chrome (its natural radius/border) instead of being masked by the slot — while leaf images still frame to the slot. Framed wells (card, bento-cell, …) keep clip and are unchanged, still merging a guest into the well as one surface. The shared rule replaces the per-host CSS so any rune can opt into either behavior from config.
• guestFit also drives the displace containment default: a displaced guest now defaults to peek (cropped) in a clip host and bleed (spills) in a bleed host, so a hero no longer needs frame-displace-mode="bleed" spelled out (an explicit mode still overrides). The hero-specific media-zone unclip is retired in favour of the shared data-guest-fit="bleed" rule; the guest-intrinsic opt-outs (preview, juxtapose, displaced showcase) are unchanged.
• A bleed host no longer clips its rune guest at all (not just on displace), so a guest's own drop-shadow is no longer cropped into the corner gaps left by its rounding — which showed as darker corners behind, e.g., a codegroup in a hero.