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icu_calendar

v2.1.1 Stable

Date APIs for Gregorian and non-Gregorian calendars

Unicode-3.0 Edition 2021 MSRV 1.83

Quick Verdict

  • โœ“Stable API (2.x for 4+ years)
  • โœ“Trusted by 258 crates
  • โœ“Team maintained (2 owners)

Security

Checking security advisories...
Downloads
5.5M
Dependents
258
Releases
26
Size
145KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

1.1M downloads in the last 30 days (35.9K/day), up 57% from the previous period.

๐Ÿ”—
Moderate adoption

258 crates depend on icu_calendar. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 56 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 4+ years

The API has been stable (1.x) for over 4 years with 26 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐ŸŒŸ
Used by top crates

Notable dependents include icu_datetime, icu_timezone, boa_engine, icu, uucore. When high-quality crates choose icu_calendar, it's a strong quality signal.

Health Breakdown

Maintenance 12/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
23K/day avg+159%
020K40K60K80K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.5.2
63%
v2.1.1
29%
v0.5.0
4%
v1.4.0
3%
v2.0.2
2%

Release Timeline

26 releases1 yankedsince 2021
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2021
2
2022
4
2023
6
2024
4
2025
10
2026
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Yanked

Feature Flags

default =["compiled_data", "ixdtf"]

allocixdtf*serdedatagenloggingunstablecompiled_data*

README

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Maintainers

Dependencies
17
direct dependencies
Dependents
258
crates depend on icu_calendar