0.4.43
- Install extra components for lint workflow by @djc in https://github.com/chronotope/chrono/pull/1741
- Upgrade windows-bindgen to 0.64 by @djc in https://github.com/chronotope/chrono/pull/1742
- Improve windows-bindgen setup by @djc in https://github.com/chronotope/chrono/pull/1744
- Drop stabilized feature doc_auto_cfg by @djc in https://github.com/chronotope/chrono/pull/1745
- Faster RFC 3339 parsing by @djc in https://github.com/chronotope/chrono/pull/1748
- Update windows-bindgen requirement from 0.64 to 0.65 by @dependabot[bot] in https://github.com/chronotope/chrono/pull/1751
- add
NaiveDate::abs_diffby @Kinrany in https://github.com/chronotope/chrono/pull/1752 - Add feature gated defmt support. by @pebender in https://github.com/chronotope/chrono/pull/1747
- Drop deny lints, eager Debug impls are a mixed blessing by @djc in https://github.com/chronotope/chrono/pull/1753
- chore: minor improvement for docs by @spuradage in https://github.com/chronotope/chrono/pull/1756
- Added doctest for the NaiveDate years_since function by @LucasBou in https://github.com/chronotope/chrono/pull/1755
- Prepare 0.4.43 by @djc in https://github.com/chronotope/chrono/pull/1765
- Update copyright year to 2026 in LICENSE.txt by @taozui472 in https://github.com/chronotope/chrono/pull/1767
0.4.42
- Add fuzzer for DateTime::parse_from_str by @tyler92 in https://github.com/chronotope/chrono/pull/1700
- Fix wrong amount of micro/milliseconds by @nmlt in https://github.com/chronotope/chrono/pull/1703
- Add warning about MappedLocalTime and wasm by @lutzky in https://github.com/chronotope/chrono/pull/1702
- Fix incorrect parsing of fixed-length second fractions by @chris-leach in https://github.com/chronotope/chrono/pull/1705
- Fix cfgs for
wasm32-linuxsupport by @arjunr2 in https://github.com/chronotope/chrono/pull/1707 - Fix OpenHarmony's
tzdataparsing by @ldm0 in https://github.com/chronotope/chrono/pull/1679 - Convert NaiveDate to/from days since unix epoch by @findepi in https://github.com/chronotope/chrono/pull/1715
- Add
?Sizedbound to related methods ofDelayedFormat::write_toby @Huliiiiii in https://github.com/chronotope/chrono/pull/1721 - Add
from_timestamp_secsmethod toDateTimeby @jasonaowen in https://github.com/chronotope/chrono/pull/1719 - Migrate to core::error::Error by @benbrittain in https://github.com/chronotope/chrono/pull/1704
- Upgrade to windows-bindgen 0.63 by @djc in https://github.com/chronotope/chrono/pull/1730
- strftime: simplify error handling by @djc in https://github.com/chronotope/chrono/pull/1731
v0.4.41
- Add
subsec_microsandsubsec_millismethods toTimeDeltaby @ggoetz in https://github.com/chronotope/chrono/pull/1668 - Deprecate
NaiveDateTime::UNIX_EPOCHby @robertbastian in https://github.com/chronotope/chrono/pull/1670 - Implement
as_seconds_f32andas_seconds_f64forTimeDeltaby @ggoetz in https://github.com/chronotope/chrono/pull/1671 - chore: fix some comments by @jimmycathy in https://github.com/chronotope/chrono/pull/1677
- Add
num_days_in_monthmethod toDateliketrait by @aslilac in https://github.com/chronotope/chrono/pull/1673 - add
WeekdaySet, a collection ofWeekdaythat isCopyby @Kinrany in https://github.com/chronotope/chrono/pull/1676 - WeekdaySet tweaks by @djc in https://github.com/chronotope/chrono/pull/1680
- Upgrade to windows-bindgen 0.61 by @djc in https://github.com/chronotope/chrono/pull/1682
- Implemented a consistent Eq trait for NaiveWeek by @Splashling1789 in https://github.com/chronotope/chrono/pull/1687
- TimeZone::from_posix_tz: Treat empty TZ variable as UTC by @drinkcat in https://github.com/chronotope/chrono/pull/1691
- Add support for lossy format strings by @Qelxiros in https://github.com/chronotope/chrono/pull/1693
0.4.40
- Add Month::num_days() by @djc in https://github.com/chronotope/chrono/pull/1645
- Update Windows dependencies by @kennykerr in https://github.com/chronotope/chrono/pull/1646
- Feature/round_up method on DurationRound trait by @MagnumTrader in https://github.com/chronotope/chrono/pull/1651
- Expose
write_toforDelayedFormatby @tugtugtug in https://github.com/chronotope/chrono/pull/1654 - Update LICENSE.txt by @maximevtush in https://github.com/chronotope/chrono/pull/1656
- docs: fix minor typo by @samfolo in https://github.com/chronotope/chrono/pull/1659
- Use NaiveDateTime for internal tz_info methods. by @AVee in https://github.com/chronotope/chrono/pull/1658
- Upgrade to windows-bindgen 0.60 by @djc in https://github.com/chronotope/chrono/pull/1665
- Add quarter (%q) date string specifier by @drinkcat in https://github.com/chronotope/chrono/pull/1666
0.4.39
- #1577: Changed years_since documentation to match its implementation by @Taxalo in https://github.com/chronotope/chrono/pull/1578
- Remove obsolete weird feature guard by @djc in https://github.com/chronotope/chrono/pull/1582
- Fix format::strftime docs link by @frederikhors in https://github.com/chronotope/chrono/pull/1581
- Fix micros (optional) limit in and_hms_micro_opt by @qrilka in https://github.com/chronotope/chrono/pull/1584
- Update windows-bindgen requirement from 0.56 to 0.57 by @dependabot in https://github.com/chronotope/chrono/pull/1589
- native/date: Improve DelayedFormat doc re Panics by @behnam-oneschema in https://github.com/chronotope/chrono/pull/1590
- Fix typo in rustdoc of
from_timestamp_nanos()by @sgoll in https://github.com/chronotope/chrono/pull/1591 - Update windows-bindgen requirement from 0.57 to 0.58 by @dependabot in https://github.com/chronotope/chrono/pull/1594
- docs: document century cutoff for %y by @MarcoGorelli in https://github.com/chronotope/chrono/pull/1598
- Checked
NaiveWeekmethods by @bragov4ik in https://github.com/chronotope/chrono/pull/1600 - Impl serde::Serialize and serde::Deserialize for TimeDelta by @Awpteamoose in https://github.com/chronotope/chrono/pull/1599
- Derive
PartialEq,Eq,Hash,CopyandCloneonNaiveWeekby @DSeeLP in https://github.com/chronotope/chrono/pull/1618 - Support ohos tzdata since ver.oh35 by @MirageLyu in https://github.com/chronotope/chrono/pull/1613
- Use Formatter::pad (instead of write_str) for Weekdays by @horazont in https://github.com/chronotope/chrono/pull/1621
- Fix typos by @szepeviktor in https://github.com/chronotope/chrono/pull/1623
- Fix comment. by @khuey in https://github.com/chronotope/chrono/pull/1624
- chore: add
#[inline]tonum_daysby @CommanderStorm in https://github.com/chronotope/chrono/pull/1627 - fix typo by @futreall in https://github.com/chronotope/chrono/pull/1633
- Update mod.rs by @donatik27 in https://github.com/chronotope/chrono/pull/1638
v0.4.38
This release bring a ca. 20% improvement to the performance of the formatting code, and a convenient days_since method for the Weekday type.
Chrono 0.4.38 also removes the long deprecated rustc-serialize feature. Support for rustc-serialize will be soft-destabilized in the next Rust edition. Removing the feature will not break existing users of the feature; Cargo will just not update dependents that rely on it to newer versions of chrono.
In chrono 0.4.36 we made an accidental breaking change by switching to derive(Copy) for DateTime instead of a manual implementation. It is reverted in this release.
- Remove
rustc-serializefeature (#1548, thanks @workingjubilee)
- Add
Weekday::days_since(#1249, based on #216 by @clarfonthey) - Add
TimeDelta::checked_mulandTimeDelta::checked_div(#1565, thanks @Zomtir)
- Return error when rounding with a zero duration (#1474, thanks @Dav1dde)
- Manually implement
CopyforDateTimeif offset isCopy(#1573)
- Inline
test_encodable_jsonandtest_decodable_jsonfunctions (#1550) - CI: Reduce combinations in
cargo hack check(#1553) - Refactor formatting code (#1335)
- Optimize number formatting (#1558)
- Only package files needed for building and testing (#1554)
Thanks to all contributors on behalf of the chrono team, @djc and @pitdicker!
v0.4.37
Version 0.4.36 introduced an unexpected breaking change and was yanked. In it LocalResult was renamed to MappedLocalTime to avoid the impression that it is a Result type were some of the results are errors. For backwards compatibility a type alias with the old name was added.
As it turns out there is one case where a type alias behaves differently from the regular enum: you can't import enum variants from a type alias with use chrono::LocalResult::*. With 0.4.37 we make the new name MappedLocalTime the alias, but keep using it in function signatures and the documentation as much as possible.
See also the release notes of chrono 0.4.36 from yesterday for the yanked release.
v0.4.36
This release un-deprecates the methods on TimeDelta that were deprecated with the 0.4.35 release because of the churn they are causing for the ecosystem.
New is the DateTime::with_time() method. As an example of when it is useful:
use chrono::{Local, NaiveTime};
// Today at 12:00:00
let today_noon = Local::now().with_time(NaiveTime::from_hms_opt(12, 0, 0).unwrap());
- Add
DateTime::with_time()(#1510)
- Revert
TimeDeltadeprecations (#1543) - Deprecate
TimeStamp::timestamp_subsec_nanos, which was missed in the 0.4.35 release (#1486)
- Correct version number of deprecation notices (#1486)
- Fix some typos (#1505)
- Slightly improve serde documentation (#1519)
- Main documentation: simplify links and reflow text (#1535)
- CI: Lint benchmarks (#1489)
- Remove unnessary
CopyandSendimpls (#1492, thanks @erickt) - Backport streamlined
NaiveDateunit tests (#1500, thanks @Zomtir) - Rename
LocalResulttoTzResolution, add alias (#1501) - Update windows-bindgen to 0.55 (#1504)
- Avoid duplicate imports, which generate warnings on nightly (#1507)
- Add extra debug assertions to
NaiveDate::from_yof(#1518) - Some small simplifications to
DateTime::date_naiveandNaiveDate::diff_months(#1530) - Remove
unwrapin UnixLocaltype (#1533) - Use different method to ignore feature-dependent doctests (#1534)
Thanks to all contributors on behalf of the chrono team, @djc and @pitdicker!
v0.4.35
Most of our efforts have shifted to improving the API for a 0.5 release, for which cleanups and refactorings are landing on the 0.4.x branch.
The most significant changes in this release are two sets of deprecations.
-
We deprecated all timestamp-related methods on
NaiveDateTime. The reason is that a timestamp is defined to be in UTC. TheNaiveDateTimetype doesn't know the offset from UTC, so it was technically wrong to have these methods. The alternative is to use the similar methods on theDateTime<Utc>type, or from theTimeZonetrait.Converting from
NaiveDateTimetoDateTime<Utc>is simple with.and_utc(), and in the other direction with.naive_utc(). -
The panicking constructors of
TimeDelta(the new name of theDurationtype) are deprecated. This was the last part of chrono that defaulted to panicking on error, dating from before rust 1.0. -
A nice change is that
NaiveDatenow includes a niche. So nowOption<NaiveDate>,Option<NaiveDateTime>andOption<DateTime<Tz>>are the same size as their base types. -
format::Numericandformat::Fixedare marked asnon_exhaustive. This will allow us to improve our formatting and parsing support, and we have reason to believe this breaking change will have little to no impact on users.
- Add
DateTime::{from_timestamp_micros, from_timestamp_nanos}(#1234) - Add getters to
Parsed(#1465)
- Deprecate timestamp methods on
NaiveDateTime(#1473) - Deprecate panicking constructors of
TimeDelta(#1450)
- Use
NonZeroI32insideNaiveDate(#1207) - Mark
format::Numericandformat::Fixedasnon_exhaustive(#1430) Parsedfixes to error values (#1439)- Use
overflowing_naive_localinDateTime::checked_add*(#1333) - Do complete range checks in
Parsed::set_*(#1465)
- Rustfmt doctests (#1452)
- Improve docs for crate features (#1455, thanks @edmorley)
- Add more documentation and examples to
Parsed(#1439)
- Refactor
internalsmodule (#1428, #1429, #1431, #1432, #1433, #1438) - CI: test cross-compiling to
x86_64-unknown-illumosinstead of Solaris (#1437) - CI: lint Windows target, fix clippy warning (#1441)
- CI: only run
cargo hack checkon Linux (#1442) - Update windows-bindgen to 0.54 (#1462, #1483)
- Simplify error value of
parse_internal(#1459) - Simplify
SerdeError(#1458) - Simplify
NaiveDate::from_isoywda bit (#1464)
Thanks to all contributors on behalf of the chrono team, @djc and @pitdicker!