3.2.1

Fixes:

• Remove the options.cacheDir directory if it is empty after conversion. (5cfcea6)
• Allow tables inside lists. (#368, #371, contributed by @lostenderman, sponsored by ISTQB)
• Check that shell access is unrestricted before attempting shell escape. (#365, Witiko/lt3luabridge#22, latex3/latex3#1339, #372)

Documentation:

• Add a link to a work-in-progress article for TUGboat 45:1 to README.md. (1988a0c, 3b85533)
• Fix miscellaneous issues with the technical documentation. (#366, #367)
• In README.md, add a link to a GPT chatbot with background knowledge about the Markdown Package for TeX. (59eb04d)

Docker:

• Include developer tools in the development Docker image. (#374)