Using o-spreadsheet features and functions is done using the same import module as if it was installed from npm. Additionaly, by adding the library as dev dependency in package.json[1], IDEs can now leverage Typescript types for autocomplete and type checking. The "alpha" release tag is always the lastest master version. [1] enable web tooling `addons/web/tooling/enable.sh` ;) closes odoo/odoo#115972 Related: odoo/enterprise#38471 Signed-off-by: Rémi Rahir (rar) <rar@odoo.com>