All my requests were ignored: https://phabricator.wikimedia.org/T119235#1951362 https://phabricator.wikimedia.org/T123142#2025816
https://en.wiktionary.org/api/rest_v1/?doc#!/Page_content/get_page_definitio... appeared but nobody bothered to tell people and plans for the thing seem to be unknowable (or secret).
Nemo