Hyphenation and spell-check now use the typograph-canvas runtime language-asset loader (en-US only).
Editor.languageAssetBaseUrl, now set to languages during editor initnpm run build:languages generates the en-US assets from the hyphenation.en-us and dictionary-en packages:
languages/hyphenation/en-us.jsonlanguages/dictionaries/en-us/index.afflanguages/dictionaries/en-us/index.dicSpell check on/off switch that toggles the editor's live spell-check (red wavy underline; editor-only, not saved to the document)toolbar.spellcheck and toolbar.spellcheck_toggle