Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: r-lib/actions/setup-r@v2, actions/cache@v3, r-lib/actions/setup-pandoc@v2, r-lib/actions/setup-tinytex@v2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

(etex) To force etex package to load, add

(etex) \RequirePackage{etex}

(etex) at the start of the document.

Package fontspec Warning: Font "FandolHei-Regular" does not contain requested