Shane F. Carr

No, we don't support fractions of anything other than seconds. The ask here is to show how a potential Intl.DurationFormat V2 proposal could add fractional formatting of other units.

True; it works for seconds, milliseconds, and microseconds. I think this issue is waiting on action from @ryzokuken.

For example, would it be possible in the future to start accepting `{ seconds: "numeric" }` and have expected behavior? How does that interact with digital style?

We discussed some potential approaches in the November 2024 call (and previously). We think it can be fairly easily added in v2, and spec refactors that @ben-allen is working on...

Notes from November 2024 call: https://github.com/tc39/ecma402/blob/master/meetings/notes-2023-11-16.md#style-fractional

The patch as it currently stands is wrong; @markusicu explained why here: https://github.com/unicode-org/icu/pull/3202#discussion_r1772486159 It might be that there's a way to write this code that doesn't trigger the coverity warning,...

I'm only reporting what the code is _supposed_ to do and that your PR changes the behavior. I don't have an opinion about whether you find other C++ code that...

According to UTS 35, https://unicode.org/reports/tr35/tr35-dates.html#first-day-overrides, which was added as part of https://unicode-org.atlassian.net/browse/CLDR-16866, `-u-ca` can impact the first day of week, in the following order: 1. -u-fw 2. -u-rg 3. -u-ca...