[mediumdeviation]

Note that this is 51kb, it's not exactly lightweight https://bundlephobia.com/package/@js-temporal/polyfill@0.5.1. Still good for forward compatibility or on the server, but for smaller apps it's significant.

[LtdJorge]

Yep, I’ve been using this one which is lighter (20kB): https://github.com/fullcalendar/temporal-polyfill/