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icu_calendar

v2.2.1 Stable

Date APIs for Gregorian and non-Gregorian calendars

Unicode-3.0 Edition 2021 MSRV 1.86

Quick Verdict

  • โœ“Actively maintained (updated 53d ago)
  • โœ“Stable API (2.x for 5+ years)
  • โœ“Trusted by 300 crates
  • โœ“Team maintained (2 owners)
  • !Heavy dependency tree (22 direct deps)

Security

Checking security advisories...
Downloads
7.3M
Dependents
300
Releases
28
Size
813KB

Deep Insights

๐Ÿ“Š
Steady growth

989.5K downloads in the last 30 days (33.0K/day), up 13% from the previous period.

๐Ÿ”—
Moderate adoption

300 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 5+ years

The API has been stable (1.x) for over 5 years with 28 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

22 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

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

Health Breakdown

Maintenance 16/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 18/20

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
32K/day avg-14%
020K40K60K80K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v2.1.1
73%
v2.2.1
19%
v2.0.2
3%
v2.0.5
3%
v2.2.0
1%

Release Timeline

10 releases1 yankedsince 2025
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2025
8
2026
2
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Yanked

Feature Flags

default =["compiled_data", "ixdtf"]

allocixdtf*serdedatagenloggingunstablecompiled_data*unstable_jiff_0_2unstable_time_0_3unstable_chrono_0_4

README

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Maintainers

Dependencies
22
direct dependencies
Dependents
300
crates depend on icu_calendar

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