Shane F. Carr

I really think we should fix #7076, and we should fix this issue in the same context, making sure `add` obeys the same constraint, existing as soon as it knows...

Also please note that I haven't updated all of the ICU4J tests yet. I wanted to ask about a few because @richgillam you recently (1 yr ago) added them in...

Thanks! You can learn more about the duration syntax here: https://en.wikipedia.org/wiki/ISO_8601#Durations https://tc39.es/proposal-temporal/#prod-TemporalDurationString Since `DateDuration` supports only years, months, weeks, and days, we should parse only the date fields from duration...

No need to ask to be assigned. We don't assign backlog issues. Just create a PR linked to this issue.

@SATVIKsynopsis your other PR #7315 is still draft and not passing tests. I suggest you focus on fixing and landing that one first.

Example of some potential future yet-to-be-designed functionality: maybe someone wants to implement Japanese lunisolar with the historic Japanese era names. This should ideally integrate with Date::try_from_fields, but the era names...

I think it was a mistake in 2.0 for all the scaffold traits to not have `unstable_*` method names. I think we should do that moving forward.

WG notes: - @sffc The Calendar trait is unstable sealed. The Rules trait is, as I see it, a subset of the Calendar trait. We are still developing Calendar and...

Back to 2.1 to make sure we make the traits properly unstable

TG2 discussion: https://github.com/tc39/ecma402/blob/main/meetings/notes-2025-10-13.md#allow-engines-to-ship-data-for-locales-in-accept-language-1010