Other Challenges

Docusaurus Diff Formatting

Docusaurus diff highlighting didn't work properly in code blocks -- no highlights appeared in the rendered output at all.

Module Hell With Jest

During development Docusaurus was updated from v3.2 to v3.5. That carried with it an update to mdx-js to v3, which changed from a hybrid CommonJS/ESModules package to being purely ESModules, which entirely broke Jest (which relies on CommonJS for importing modules.).