4.3.1
remove head.min.js in favor of simple built-in script loader
revert changes to md test #3027
fix unmatched h3 in test
.esm suffix for module bundle, marked/highlight.js are installed via npm
Update whitespaces
move built plugin files from /dist/plugin/ to /plugin/<name>/
add getSlidePath API method, update URL tests to work with new replaceState throttle