That's not the last progress update. Most recent is https://github.com/tc39/notes/blob/d5b5db6969359fad11b6898b70e19f306eb7f42b/meetings/2025-05/may-28.md#tempo

That's not the last progress update. Most recent is https://github.com/tc39/notes/blob/d5b5db6969359fad11b6898b70e19f306eb7f42b/meetings/2025-05/may-28.md#temporal-status-update-and-normative-change https://github.com/tc39/notes/blob/d5b5db6969359fad11b6898b7.... Implementations are ongoing and open source, so you can contribute if you want it to come faster! V8 is currently aiming to use https://github.com/boa-dev/temporal https://github.com/boa-dev/temporal IIRC.