Unity_v1.3.9,ApiLevel:16

中文版本请查看 doc/unity/zhcn/changelog.md

1. fix a bug that will throw 'undefined is not a xx' error when running multi jsenv parallel.
2. fix the problem that circular dependency will cause crash when loading ESM
3. fix the problem that ESM throws an error when loading dependency with relative path
4. fix the problem that dts reports an error when generating nullable types
5. add import.meta.url in es module js

difference between Node.js/Quickjs/V8: wiki