v1.42.0

1.42.0 (2026-09-24)

Added

• api: essential travels to agents beside required (B435) (#1285) (5a08d04)
• editor: ghost chips stand at their seam and never cover content (B435) (#1282) (af97e04)
• slide-types: essential fields across all core types (B435) (#1283) (1bdbeb9)
• slide-types: the builder declares essential beside required (B435) (#1286) (740a992)

Fixed

• api: theme and lang have one name on the public API, and PUT switches theme (B446) (#1280) (d59e4cc)
• export: the reader and print handout use the one .sr-only (B447) (#1284) (b76b2b6)
• import: a slide-jump follows its slide's regenerated id on import (B314) (3ea0b00)
• ui: an untitled blank presentation is refused at the title field (B444) (#1281) (b2b13e6)
• ui: one visually-hidden utility, .sr-only (B361) (#1277) (c635e6c)