v3.1.1
docs(playground): use CodeSandbox cloud sandboxes (#8576)
fix(website): make KaTeX fonts available on alternative locales (#7574)
chore(website): set cache-control for static assets (#6381)
docs: enhance docs about Markdown TOC and metadata (#7278)
chore: rename v2.docusaurus.io urls after domain switch + redirect + cleanups (#4490)
docs: add advanced guides (#6296)