Markdown Processor Choice in Jekyll 4.0: Enabling GitHub Flavored Markdown via jekyll-commonmark
Developers aiming for a repeatable Jekyll workflow often want local builds to render exactly as GitHub Pages does, which uses GitHub Flavored Markdown. Jekyll 4.0 continues to ship kramdown as the default markdown processor, while GFM support is only available through the optional jekyll‑commonmark gem. Adding this gem requires editing the Gemfile, setting m