You can now pass configuration data from the templates to your scripts via a new params option.
Hugo now writes a jsconfig.json file inside /assets (you can turn it off) with import mappings to help editors such as VS Code with intellisense/navigation, which is especially useful when there is no common root and the source lives inside some temporary directory.
We have also improved the build errors you get from js.Build. In server mode you will get a preview of the failing lines and in the console you will get a link to the location.
Read more about this in the documentation, but a short usage example would look like: