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Changelog

Unreleased

  • Components
    • General
      • Compiled data updated to CLDR 45 and ICU 75 (#4782)
    • icu_datetime
      • Make CldrCalendar trait sealed except with experimental feature (#4392)
    • icu_calendar
      • New DateTime::local_unix_epoch() convenience constructor (#4479)
      • Improved approximation for Persian calendrical calculations (#4713)
      • Fix weekday calculations in negative ISO years (#4894)
    • icu_datetime
      • FormattedDateTime and FormattedZonedDateTime now implement Clone and Copy (#4476)
    • icu_locid
      • Added total_cmp functions to Locale and other types to make them easier to use in BTreeSet (#4608)
    • icu_locid_transform
      • Add LocaleExpander::minimize_favor_script (#4752)
    • icu_plurals
      • Added support for CompactDecimal (#4828)
    • icu_properties
      • Add Aran script code (#4426)
      • Mark additional constructors as const (#4584, #4574)
      • Implement Joining_Type property (#4599)
      • Implement Hangul_Syllable_Type property (#4885)
    • icu_segmenter
      • Fix Unicode 15.0 line breaking (#4389)
    • icu_timezone
      • Added TimeZoneIdMapper to replace IanaToBcp47Mapper (#4774)
  • Data model and providers
    • icu_datagen
      • Datagen shows elapsed time for keys that are slow to generate (#4469)
      • Datagen performance improvement by caching supported locales (#4470)
      • Never use fallback for baked segmentation data (#4510)
      • Propagate extension keywords and auxiliary keys to explicit locales (#4533)
    • icu_provider
      • (Small breakage) DataPayload::new_owned() is no longer const, this was a mistake (#4456)
      • Add NeverMarker to allow for DataProvider bounds that never return data (#4186)
      • Add BoundProvider to allow temporal separation between key and request (#4877)
    • icu_provider_blob
      • Blob v2 no longer allocates (#4383)
  • FFI:
  • Utilities
    • calendrical_calculations:
      • Add Keviyah/Four Gates based optimized calculations module for the Hebrew calendar. (#4504)
      • Expose Hebrew as a unit struct, add Date::try_new_hebrew_date(), DateTime::try_new_hebrew_datetime(). (https://github.com/unicode-org/icu4x/pulls/4532)
      • Deprecate Hebrew::new_always_precomputing(), Date::try_new_hebrew_date_with_calendar(), DateTime::try_new_hebrew_datetime_with_calendar(). The new implementation of the Hebrew calendar is faster and we do not need APIs for precomputation. (https://github.com/unicode-org/icu4x/pulls/4532)
    • databake
      • Add impl Bake for PhantomData<T> (#4663)
    • fixed_decimal
      • Changed type of compact exponent from i16 to u8 (#4828)
    • litemap
      • Add impl IntoIterator for LiteMap by splitting StoreIterableMut trait (#4359)
    • yoke
    • zerofrom
      • Support ?Sized type parameters which must be Sized to implement ZeroFrom (#4657)
    • zerotrie
      • Add as_borrowed_slice and AsRef impl (#4381)
      • Add ZeroTrieSimpleAsciiCursor for manual iteration (#4383)
      • Increase bound of p to solve more perfect hash functions; might break serialized ZeroTriePerfectHash from previous versions (#4888)
    • zerovec
      • Change ZeroHashMap to use twox-hash (#4592)
    • writeable
      • Add TryWriteable for fallibility (#4787)
      • Add writeable_cmp_bytes for more efficient comparison (#4402)

icu4x 1.4.x

icu4x 1.4 (Nov 16, 2023)

  • General

    • MSRV is now 1.67

  • Components

    • Compiled data updated to CLDR 44 and ICU 74 (#4245)
    • icu_calendar
      • Expose if a date is in a leap year (#4273)
    • icu_locid
      • Canonicalize transform extensions to lowercase (#4134)
    • icu_plurals
      • Experimental PluralRulesWithRanges for selecting the plural category for ranges (#3012)
    • icu_properties
      • Support Indic_Syllabic_Category in icu_properties. (#4176)
      • Add enum constants for new Unicode 15.1 Line_Break properties. (#4132)
    • icu_segmenter
      • Fix Unicode 15.0 sentence segmentation (#4213)
    • icu_unicodeset_parse
      • Add support to parse UAX#29 properties (#4175)

  • Data model and providers

    • icu_provider
      • Implement Any/BufferProvider for some smart pointers (#4255)
    • icu_provider_blob
      • New V2 serialization schema (#4207)
    • icu_datagen
      • New CLI option --format=blob2 (#4207)
      • CLDR 44 compatibility fixes (#4134, #4156, #4158)
      • Fix supported_locales for collator keys (#4169)
      • CLI: Fix behavior of --segmenter-lstm-root such that it does not override icuexportdata-root (#4277)
      • Make datagen work without CARGO_PKG_RUST_VERSION environment variable (#4292)

  • Utilities

    • databake
      • Add implementations for HashSet, HashMap, BTreeSet, BTreeMap (#4268, #4274, #4295)
      • Improvements to databake::test_bake!() (#4182)
    • fixed_decimal
      • Experimental rounding increment support (#4219, #4246)
    • litemap
      • Implement databake::Bake on LiteMap (#4275)
    • tinystr
      • Better Debug impl for UnvalidatedTinyAsciiStr (#4189)
    • zerovec
      • Fix indexing bug in ZeroMap2d::insert (#4160)

icu4x 1.3.x

Some crates received additional 1.3.x patch releases:

icu4x 1.3.2 (Oct 4, 2023)

1.3.2 was released to clean up the range dependency on zerovec deliberately introduced in 1.3.0. It includes all previous 1.3.x changes

icu4x 1.3.1

A subset of crates received a 1.3.1 patch release, to incorporate documentation fixes (#4096, #4097, #4099, #4101). These crates were: icu_calendar, icu_casemap, icu_datetime, icu_locid_transform, icu_provider.

icu4x 1.3 (Sep 25, 2023)

  • General
    • All updated crates:
    • Components now have the option to use compiled_data, an efficient default set of data baked in to the component. This is now recommended over using a data provider unless you have specific needs driving it.
  • Data model and providers
    • icu_provider:
      • Make DataPayload constructible from &'static M::Yokeable (#3467)
      • Add ExportableDataPayload::eq_dyn (#3639)
      • Better docs (#3740, #3742)
      • Moving fallback options into icu_provider (#3651)
      • Add DataPayload::dynamic_cast_mut (#3952)
      • (experimental) Add AuxiliaryKey to DataLocale (#3872)
    • icu_datagen:
      • Completely revamped API (#3705, #3861, #3951, #4008, #4041, #3669)
        • The old API is still available behind the legacy_api default Cargo feature
      • Updated baked data output to be usable by compiled_data (#3449, #3493, #3549, #3500, #3847)
      • Add recommended locale set and expand regions in datagen (#3586)
      • Make datagen faster by caching more things (#3625)
      • Consume CLDR-JSON resources keyed with default script (#3772, #3786)
      • (cli) Warn for --locales all (#3691)
    • icu_provider_adapters:
      • Deprecated LocaleFallbacker, use through icu_locid_transform
    • icu_provider_blob:
      • Returning ExtraneousLocale in BlobDataProvider (#3562)
      • Fix empty keys in BlobDataProvider (#3551)
    • icu_provider_fs:
      • Correct error types for icu_provider_fs (#3682)
    • icu_testdata:
      • This crate has been superseded by compiled_data and is now deprecated.
      • Data for new components will not be added, and it will not be updated for ICU4X 2.0.
  • Components:
    • Cross component:
      • All component crates now have a default compiled_data feature that enables constructors that do not require data providers, instead using data compiled into the library
    • icu_calendar
      • Support for new non-Gregorian calendars: Persian (Solar Hijri), ROC, Hebrew, Chinese, Korean (Dangi), and Islamic (civil, observational, tabular, and Umm al-Qura). Lunar calendars are not yet fully optimized.
      • Add Ord and PartialOrd to icu_calendar types (#3468)
      • Add cyclic year to FormattableYear (#3581)
    • icu_casemap
      • Newly stabilized crate
    • icu_collator
      • No additional changes
    • icu_collections
      • Fixed JSON serialization of unpaired surrogates (#3892)
    • icu_datetime
      • Formatting for the new calendars added in icu_calendar
        • Includes preview formatting for Chinese and Korean with cyclic years and leap months
      • Hardening of edge cases surrounding the Calendar trait
      • TimeZoneFormatter::load_*_format functions:
        • Those with a provider argument gain an equivalent TimeZoneFormatter::load_*_format gated by compiled_data
        • Those without a provider argument renamed to TimeZoneFormatter::include_*_format with deprecation warning
    • icu_decimal
      • No additional changes
    • icu_list
      • No additional changes
    • icu_locid
      • Declarative macros are now re-exported from their own modules; old exports are deprecated; for example, use icu::locid::extensions::unicode::value now works, instead of use icu::locid::extensions_unicode_value
    • icu_locid_transform
      • New home of LocaleFallbacker and fallback module previously found in icu_provider_adapters
      • New LocaleDirectionality to access the right-to-left status of locales
    • icu_normalizer
      • No additional changes
    • icu_plurals
      • No additional changes
    • icu_properties
      • Compiled data functions added to sets and maps without load_ prefix: icu::properties::sets::basic_emoji()
    • icu_segmenter
      • Algorithmic bug fixes such as #3392
    • icu_timezone
      • New IanaToBcp47Mapper for converting between IANA time zone names and BCP-47 time zone names (#2909)
  • Utils:
    • calendrical_calculations: New crate: 0.1.0
    • crlify: 1.0.2 -> 1.0.3
    • databake and databake_derive: 1.0.5 -> 1.0.6
      • :: paths changed (#3450)
    • deduplicating_array: 0.1.4 -> 0.1.5
    • fixed_decimal: 0.5.3 -> 0.5.4
      • Fix rounding bug (#3644)
      • Reexport some types to be more consistent with ICU4X naming (#3945)
    • litemap: 0.7.0 -> 0.7.1
      • Add const litemap getter functions for common types (#3416)
    • icu_pattern: 0.1.4 -> 0.1.5
    • tinystr: 0.7.1 -> 0.7.2
      • Add UnvalidatedTinyAsciiStr (#3406)
      • Make compatible with T: Bake on ZeroVec (#3451)
    • tzif: 0.2.1 -> 0.2.2
    • writeable: 0.5.2 -> 0.5.3
    • yoke and yoke_derive: 0.7.1 -> 0.7.2
      • Make impl<...> Debug for Yoke<...> implementation sound (#3686)
      • Add KindaSortaDangling internal type to make Yoke safe under strong protection (#3735)
    • zerofrom and zerofrom_derive: 0.1.2 -> 0.1.3
      • Expand ZeroFrom to cover cases where attrs can borrow (#3770)
      • Expand ZeroFrom impl on unsized &T (#3467)
    • zerovec and zerovec_derive: 0.9.4 -> (0.9.6)
      • Add ZeroTrie, an efficient string-to-int collection (#2722)
      • Handle incorrect VarZeroVec bytes representation (#3883)
      • Better soundness under stacked borrows (#3513, #3524, #3515, #3509)
      • Deserialization for VarZeroVec<VarZeroSlice>, take 2 (#3649)
      • Fix MultiFieldsULE (#3642)
      • Add initial zeroslice! and zerovec! macros #3453, Update zerovec!/zeroslice! macro syntax to nested arrays (#3611)
      • Add support for custom varule fields in #[make_varule] (#3580)
      • Add UnvalidatedChar (#3444)
      • get_copied_by API (#3351)
    • zerovec and zerovec_derive: 0.9.6 -> 0.10.0:
      • Adding T: Bake bound on ZeroVec's Bake (#3451)
  • FFI:
    • Feature support
      • Case mapping exports:
        • ICU4XCaseMapper
        • ICU4XCaseMapCloser
        • ICU4XTitlecaseMapper
        • ICU4XTrailingCase
      • Other new exports:
        • ICU4XCodePointSetBuilder
        • ICU4XLocaleDirection
        • ICU4XLocaleDirectionality
        • ICU4XLocaleFallbackSupplement
        • ICU4XIanaToBcp47Mapper
      • Enum variants added for calendar types and errors
    • C++
  • Experimental:
    • bies
      • No additional changes
    • icu_compactdecimal
      • Convenience functions for formatting f64 and FixedDecimal (#3699)
    • displaynames
      • New VariantDisplayNames for accessing display names of locale variant subtags (#3461)
      • LocaleDisplayNamesFormatter now supports full UTS 35 language identifier formatting (#3587)
    • harfbuzz
      • No additional changes
    • ixdtf
      • No additional changes
    • relativetime
      • No additional changes
    • transliterate: New crate: 0.1.0
    • unicodeset_parse: New crate: 0.1.0
    • zerotrie: New crate: 0.1.0

icu4x 1.2.x (Apr 17, 2023)

Note: A subset of crates received patch releases in the 1.2 stream.

  • databake: 0.1.5

    • Fixed #3356, adding allow for clippy false-positives

  • icu_capi 1.2.1

    • Fixed #3344, buffer_provider feature accidentally pulling in extra crates

  • icu_capi 1.2.2

    • Use intptr_t instead of ssize_t for portability (diplomat #326)

  • icu_datagen 1.2.1

    • Fixed #3339, incorrect Cargo features

  • icu_datagen 1.2.3

    • Fixed #3355, adding MSRV annotations to generated code
    • Fixed #3369, making datagen call rustfmt directly instead of using the rust-format dependency

  • icu_datagen 1.2.4

    • Remove dependency on clap's "cargo" feature to better support non-Cargo users (#3388)

  • icu_datagen 1.2.5

    • Remove runtime dependency on segmenter data pulled from the cargo cache (#3391)

  • icu_locid_transform 1.2.1

    • Fixed #3332, missing +?Sized bound

  • icu_segmenter 1.2.1

    • Fixed #3341, incorrect results on some strings with mixed scripts

  • icu_provider 1.2.1

    • Do not autoenable postcard/use-std (#3376)

  • icu_datetime 1.2.1

    • Remove superfluous JapaneseEraV1 provider bounds on TypedZonedDateTimeFormatter #3379

icu4x 1.2 (Apr 13, 2023)

  • General
    • All updated crates:
      • Add missing Debug impls (#3206)
      • Update Rust edition to 2021 (#3075)
      • Internal clippy fixes
      • Unless otherwise specified, all crate updates are to version 1.2.
      • Out-of-cycle releases do not get their own changelog entries, so some entries may span multiple patch or pre-1.0 minor versions.
  • Data model and providers
    • icu_provider:
      • Add support for silencing expected DataErrors (#3262)
      • Removing dhat dependency (#3138)
      • Make trait DataMarker: 'static (#3137)
    • icu_datagen: (includes patch updates 1.1.1 and 1.1.2)
      • (lib) Add Out::Baked and BakedOptions; deprecate Out::Module (#3130)
      • (cli) Bump clap to 4.0, move to using derive (#3149)
      • Pare down datagen deps (#3160)
      • Support changes from CLDR 43 (#3182, #3201, #3204, #3205)
      • Add support for complemented range iterators (#3198)
      • Using byte string literals in databake (#3040)\
      • Datagen support for all new component features
      • (performance) Less ZeroMap mutation in datagen (#3098)
    • icu_provider_adapters: No other changes
    • icu_provider_blob: No other changes
    • icu_provider_fs:
      • Remove sha2 dep (#3160)
    • icu_provider_macros: No other changes
  • Components:
    • Cross component: No additional cross-component changes
    • icu_calendar
      • Document the bounds of IsoSecond, Minute and Hour (#3156)
    • icu_collator: No other changes
    • icu_collections:
      • Add to_u32 for TrieValue (#3222)
      • Add CPT::try_alloc_map_value (#3207)
      • Add support for coalescing range iterators (#3198)
      • Allow inversion lists to be built from ranges that include char::MAX (#3203)
    • icu_datetime: No other changes
    • icu_decimal
      • Add From<GroupingStrategy> for FixedDecimalFormatterOptions (#3045)
    • icu_list
      • ListJoinerPattern::from_parts_unchecked() is now from_parts() and panics when necessary (#3052)
    • icu_locid
      • Reduce size of internal ShortVec abstraction (#3200)
      • Use Box in place of Vec in ShortVec (#3220)
    • icu_locid_transform
      • The default set of likely subtags is now only the subset of languages that have a basic or greater CLDR coverage level; the full set is much larger in CLDR 43 and can be accessed via new constructors (#3148, #3158, #3197)
    • icu_normalizer: No other changes
    • icu_plurals: No other changes
    • icu_properties
      • Add ability to obtain enumerated property value names from enum values (#3222, #3276)
      • Add ability to obtain enumerated property values from their names (#3103, #3152)
      • Add support for runtime-selected property lookup (#3169)
      • Add support for complemented range iterators (#3198)
      • Support data for Bidi properties with combined data structure (#3026, #3258)
    • icu_segmenter
      • Graduated from experimental
      • Add "auto" feature, enable "lstm" feature, establish new data key structure, improve error handling, and revise word and line segmenter constructors (#3010, #3267, #3270)
      • Rename icu_segmenter enums (#3285)
      • Allow access to rule status via word_type in WordSegmenter and over FFI (#3139, #3275)
      • Upgrade segmenter to Unicode 15.0.0 (#3273)
      • Return a line break at index 0 (#3289)
      • Improve the LSTM code and data model to be zero copy, improve error handling, be future-proof, and vectorize more operations (#3210, #3217, #3233, #3250, #3254, #3264, #3291)
      • Remove ndarray dependency (#3192)
      • Silencing expected DataErrors (#3262)
      • Fix SB10 rule (#3126)
      • Polished docs and examples
    • icu_timezone: No other changes
  • Utils:
  • crlify: No change (still at 1.0.1)
  • databake: 1.1.3 -> 1.1.4
    • Using byte string literals in databake (#3040)
  • deduplicating_array: 0.1.3 -> 0.1.4
  • fixed_decimal: 0.5.2 -> 0.5.3
  • litemap: 0.6.1 -> 0.7.0
    • Move FromIterator impl to new StoreFromIterable trait, allowing constructing LiteMaps with different backing stores (#3220)
  • pattern: 0.1.3 -> 0.1.4
  • tinystr: No change (still at 0.7.1)
  • tzif: No change (still at 0.2.1)
  • writeable: 0.5.1 -> 0.5.2
  • yoke: 0.7.0 -> 0.7.1
  • yoke-derive: 0.7.0 -> 0.7.1
  • zerofrom: 0.1.1 -> 0.1.2
  • zerofrom-derive: 0.1.1 -> 0.1.2
  • zerovec: 0.9.2 -> 0.9.4
    • Add initial ZeroHashMap (#2579)
    • Add ZeroSlice::get_as_array() (#3192)
    • Add range dep of yoke to zerovec (#3089)
  • zerovec-derive: 0.9.2 -> 0.9.4
    • Add #[zerovec::derive(Hash)] (#2579)
    • Avoid using derive on autogenerated packed types (#3069)
  • FFI:
    • Feature support
      • Property value-to-name mappings (#3196)
      • UnicodeSets (including exemplar chars) (#3177)
      • Runtime-selected property lookup (#3169)
      • Property lookup ranges and GeneralCategoryGroup (#3230)
      • LocaleExpander: Add extended and non-extended constructors (#3197)
      • Fill in BreakIterator API (#3275)
      • Bidi reorder_visual (#3183)
      • (experimental) Strongly typed display names API (#3190, #3188)
    • Add feature slicing to icu_capi (#3216)
    • Better FFI provider ownership (#3140)
  • Experimental:
    • bies: 0.2.0 -> 0.2.1
    • icu_casemap: 0.7.1 -> 0.7.2
    • icu_compactdecimal: 0.1.0 -> 0.2.0
    • Support configurable grouping separators in CompactDecimalFormatter (#3045)
    • icu_displaynames: 0.8.0 -> 0.10.0
      • Add ScriptDisplayNames (#3317)
      • Add LanguageDisplayNames with support for variants (#3058, #3113)
      • Add stronger typing (#3190)
    • icu_harfbuzz: New experimental port: Harfbuzz integration for ICU4X (v0.1.0)
    • icu_relativetime: 0.1.0 -> 0.1.1

icu4x 1.1 (Jan 26, 2023)

  • icu_calendar

    • Fix bug in simple_week_of() around unit size (#2951)
    • Fix math in calendar (#2714)
    • Add div_rem_euclid and use it in icu_calendar (#2704)
    • Fix Time::from_minute_with_remainder_days to handle negatives (#2643) (#2702)
    • doc improvements

  • icu_casemap

    • doc improvements

  • icu_collator

    • doc improvements

  • icu_collections

    • Add APIs for returning exemplar characters data (#2812)
    • Readable JSON inversion lists (#2855)
    • Add UnicodeSet that supports strings (#2796)
    • Add documentation on CodePointTrie details and perf considerations (#2717)

  • icu_codepointtrie_builder

    • internal improvements

  • icu_datetime

    • internal and doc improvements

  • icu_decimal

    • internal and doc improvements

  • icu_displaynames

    • DisplayNames fixes (#2918)
    • Rename Territory -> Region for display names component (#2895)
    • Transformer code for Language display names (#2871)
    • Adding a function to get display name for a region. (#2816)
    • Transformer code for display names component. (#2635)
    • doc improvements

  • icu_list

    • Untangling list provider from logic and fixing big endian safety bug (#2994)
    • Not allocating Writeables for regex evaluation (#2991)
    • doc improvements

  • icu_locid

    • Reject duplicated extensions (#2893)
    • More borrowing in locid's write_to_string (#2693)
    • doc improvements

  • icu_locid_transform

    • Clean up dependency specifications so serde isn't pulled in by default (#2696)
    • doc improvements

  • icu_normalizer

    • internal and doc improvements

  • icu_plurals

    • doc improvements

  • icu_properties

    • Add APIs for returning exemplar characters data (#2812)
    • Add API and testdata for Basic_Emoji property (#2802)
    • Add UnicodeSet that supports strings (#2796)
    • Update Script property value enums (#2787)
    • doc improvements

  • icu_segmenter

    • Make metacrate features more specific (#2932)
    • Remove serde dependency from segmenter with lstm feature. (#2904)
    • Simplify construction of grapheme cluster break iterators (#2870)
    • Store grapheme cluster payload instead of grapheme cluster segmenter. (#2864)
    • #[no_std] for LSTM segmenter (#2845)
    • icu_segmenter: enforce clippy::indexing_slicing. (#2325)
    • Use GraphemeClusterSegmenter in DictionarySegmenter and LstmSegmenter (#2716)
    • Rename *BreakSegmenter to *Segmenter (#2707)
    • Remove unnecessary language check for East Asian language (SA property) (#2705)
    • internal and doc improvements

  • icu_timezone

    • Adds a bytes parsing API for GMTOffset for CustomTimeZone and FFI (#2943, #2955)
    • doc improvements

  • icu_provider_adapters

    • Add more inner_mut functions in icu_provider_adapters (#2987)
    • Fix error propagation in MultiForkByErrorProvider (#2986)
    • Add mutation methods to MultiForkByErrorProvider (#2972)

  • icu_provider_blob

    • internal and doc improvements

  • icu_provider

    • Setting correct DataError for .as_deserializing(), .as_downcasting() (#2993)
    • doc improvements

  • icu_datagen

    • Removing experimental feature from datagen (#3005)
    • Fixing Spanish list regex (#2989)
    • Datagen CLI improvements (#2950)
    • Some reexports for datagen (#2958)
    • Databake improvements (#2906)
    • Exclude certain collations by default and add option to include them (#2789)
    • Allowing no keys in datagen CLI (#2731)
    • Fixing baked datagen for no keys and keys with no data (#2698)
    • Internal and doc improvements

  • icu_provider_fs

    • internal and doc improvements

  • icu_testdata

    • stabilized metadata
    • doc improvements
    • CLDR 42 and ICU 72 data

  • bies

    • Bumped writeable version

  • databake

    • Doc improvements

  • fixed_decimal

    • Treat strings starting with a decimal point as valid in FixedDecimal::from_str() (#2937)
    • The actual formatting part of compact decimal formatting (#2898)
    • Allow noncompact CompactDecimal (#2889)
    • CompactDecimal and ScientificDecimal (#2847)
    • doc improvements

  • icu_pattern

    • internal improvements

  • litemap

    • internal and doc improvements

  • tinystr

    • Add std feature and Error impl for TinyStrError (#3009)
    • internal and doc improvements

  • tzif

    • internal and doc improvements

  • writeable

    • Using core integer log when available (#3015)
    • usize and isize implementation
    • internal and doc improvements

  • yoke

    • Add prove_covariance_manually guard for CoerceUnsized (#2936)
    • Allow clippy::forget_copy in derive(Yokeable) impl (#2775)
    • Fix soundness issue in Yoke::attach_to_cart() around implied bounds #2949

  • zerovec

    • ZeroMap2d cursors

Bug fixes in 1.0.x

icu_collator 1.0.1

  • Made case level setting actually take effect (#2892)

icu4x 1.0 (Sept 27, 2022)

  • General
    • Update license to Unicode-DFS-2016 (#2303)
    • Major improvements to documentation, bechmarks, and examples
    • Various performance and codesize improvements
    • FFI for all non-experimental components
  • Data model and providers
    • Polished baked data provider (#2098, #2126, #2147)
    • Data key extraction from binary (#1950)
    • Add LocaleFallbacker with locale fallback algorithm (#2036, #2115, #2186, #2567)
    • Making DataProvider: Sync + Send (#1853)
    • Update to Postcard 1.0 (#2037, #2091, #2438)
    • De-duplication in BlobDataProvider (#2062)
    • Move map_project to closures (#2185)
    • Renaming of many traits and functions in icu_provider (#2207, #2222, #2223)
    • Passing DataLocale by reference (#2224)
    • Fix feature specification in provider/fs (#2527)
    • Rename DataKey methods and return DataKeyPath (#2565)
    • Add some useful data provider impls; refactor AnyPayloadProvider (#2564)
    • Removing StaticDataProvider (#2582)
    • Removing InvariantDataProvider (#2159)
    • Renaming load_payload, load_resource (#2222)
    • Renaming DataOptions to DataLocale (#2223)
    • Use an abstract predicate function in ForkByKeyProvider (#2249)
    • Add UnvalidatedStr and use it in LocaleFallbackParentsV1 (#2502)
    • Add some useful data provider impls; refactor AnyPayloadProvider (#2564)
  • Components:
    • Cross component:
      • Format to Formatter rename (#2184)
      • Uniform constructor style across all components, see #2573 (#2293, #2305, #2309, #2316, #2318, #2326, #2327, #2329, #2330, #2332, #2333, #2334)
      • Remove format_to_writes (#2528)
      • Make error enums more consistent (#2649)
      • More Copy arguments (#2654)
    • calendar
      • Emit month codes from calendars (#2053)
      • Add Date::new_from_codes(); fix up per-calendar constructor functions (#2255)
      • Fix iso-to-fixed conversion (#1898)
      • Ethiopic calendars (#1831, #1902)
      • Replace hour/minute/second constructors new_unchecked() with getter number() (#1922)
      • Improve and rename types::Year/types::Month (#2157)
      • Add japanext calendar (#2181)
      • Replace unbounded arithmetic for calendar numeric types with bounded arithmetic. (#2273)
      • Make Japanext its own calendar type (#2311)
      • Pick default calendar based off of locale in AnyCalendar
      • Make offset_date handle wraparounds for months (#2373)
      • Hide duration stuff, rename IncludedInAnyCalendar (#2426)
      • week_of refactoring (#2462)
      • Fix arithmetic in Indian calendar (#2479)
      • Infallible from_minutes_since_local_unix_epoch() (#2646)
    • collator
      • New component (#1706)
      • Validate the length of last_primaries (#1916)
      • Use a higher numeric value for Strength::Identical (#1942)
      • Move and unescape collator and normalizer tests (#1943)
      • Tweak CollationMetadataV1 documentation and dead code (#1914)
      • GIGO fix-ups for the normalizer and the collator (#1931)
      • split_first_u16/split_first_u24 -> split_first (#2459)
      • Create options bag for CollatorOptions (#2475)
      • Clean up FFFD magic numbers in Collator with REPLACEMENT_CHAR (#2496)
      • Add traditional spanish and plumbing to make it work (#2497)
    • collections
      • New component (#2294, #2323, #2328, #2336)
      • Rename CodePointSet to CodePointInversionList (#2230)
      • Allow CodePointTrie to determine error_value at runtime from data (#2301)
      • Use GIGO with debug assertion in Char16Trie (#2537)
    • datetime
      • Formatting for AnyCalendars (#1987, #2146)
      • Renaming DateTimeFormatter (etc) to TypedDateTimeFormatter and AnyDateTimeFormatter to DateTimeFormatter (#2298)
      • DateFormatter cleanups (#2304)
      • Remove Calendar type parameter from TimeFormat (#2282)
      • Class Hierarchy for DateTimeFormat (split into DateFormat, TimeFormat, etc) (#2133)
      • Making time_granularity public (#1867)
      • Add fractional seconds support to components bag (#1873)
      • Use FixedDecimalFormat in DateTimeFormat (#1952)
      • Include module name to disambiguate Pattern (#1889)
      • Use month codes in formatting (#2071)
      • Split date and time data keys. (#2093)
      • Move Formatted[Zoned]DateTime over to preextracting the date time input info (#2138, #2205)
      • Remove MockZonedDateTime (#2231)
      • Add an offset_fallback field in TimeZoneFormatV1 (#2253)
      • Remove HourCycle from the public Lengths API (#2331)
      • Move mock datetime parsing code to test modules (#2436)
      • Stop returning error on mismatched locale and type calendar (#2477)
      • Change default length to medium (#2596)
      • Make expect_pattern GIGO (#2650)
    • decimal
      • Don't panic on invalid grouping sizes (#2042)
      • Remove signum and sign display options (#2070)
      • Add numbering system support (#2246)
    • list
      • ListStyle -> ListLength and add _with_length (#2628)
    • locid
      • Add remove() for vertical fallback (#1992)
      • Update Locale and LanguageIdentifier comparison functions to strict_cmp() and normalizing_eq() (#2020)
      • normalizing_eq(), strict_cmp() for LSRV subtags (#2048)
      • Add strict_cmp_iter() (#2111, #2114)
      • Removing auto-derived Ord impl for Locale/LangId (#2142)
      • Enable locale macro to support single unicode key value pair extension (#2382)
      • Reducing locid_id API surface (#2484)
      • private::Key and other::Key to ::Subtag (#2632)
    • locid_transform
      • Rename from icu::locale_canonicalizer (#2381)
      • LocaleCanonicalizer/LocaleExpander refactor (#2338)
    • normalizer
      • Promoted from experimental (#2058)
      • Add ComposingNormalizer for NFC, NFKC, and UTS 46 (#2039)
      • GIGO fix-ups for the normalizer and the collator (#1931)
      • Add support for NFKD and the decomposed counterpart of UTS 46 without ignored and disallowed (#1967)
      • Simplify Hangul composition (#2200)
      • Make sink-writing normalization methods non-experimental (#2201)
      • Uses tries instead of inversion lists for normalization data (#2235)
      • Consolidate the two auxiliary tries to the main NFD trie (#2371)
      • Use char instead of U24 in normalizer data (#2481)
      • Make NFKD and UTS 46 data store only the difference form NFD (#1984)
    • plurals
      • Rename select() to category_for() for PluralRules (#2287)
      • Use From instead of TryFrom for signed integers (#2593)
      • from_tr35_string -> get_for_cldr_string (#2633)
      • Make PluralOperands fields private, add static constructor (#2598)
    • properties
      • Better properties return values (#2112, #1990, #2277, #2555)
      • Move properties data over to an (extensible) enum (#2140)
      • Renaming unicode property data struct names (#2198)
    • timezone
      • New component, split from datetime (#2265)
      • Add time period metazone to TimeZonesProvider (#1961)
      • Convert metazone period from string to i32 (#2085)
      • Improvements to MetaZoneCalculator (#2274)
      • Add TimeVariant wrapper (#2289)
      • TimeVariant -> ZoneVariant with a few more docs (#2427)
      • Assorted TimeZone fixes (#2478)
  • Utils:
  • crlify: No updates
  • databake:
    • Moved over from crabbake (#2068)
    • Some databake improvements (#2150)
    • Using static LiteMaps in databake (#2264)
  • deduplicating_array: No updates
  • fixed_decimal:
    • Switch FixedDecimal to a trivaluate sign (#2025)
    • Remove negate (#2060)
    • Improve integer operations (#1924)
    • Add FixedDecimal::concatenate_right() (#1953)
    • Implement ceil(), floor() and truncate() functions (#1923)
    • Define "magnitude" and introduce "position" concept (#1981)
    • Support for rounding modes (#2000, #2100, #2104, #2261)
    • Make multiply_pow10)_ be infallible (#2285)
  • litemap:
    • Remove serde_json dep from zeromap/litemap and align features (#1939)
    • LiteMap of &'a [(K, V)] (#2242)
    • Enable ShortVec as a backend for LiteMap (#2356)
  • pattern: No updates
  • tinystr:
    • Make Option<TinyAsciiStr> be the same size as TinyAsciiStr (#2430)
  • tzif:
    • New crate (#2019)
    • Parse POSIX time-zone strings using Combine (#1973)
    • Parse TZif binary files using Combine (#1999)
  • writeable:
    • Rename write_len (#2529)
  • yoke:
    • Deprecate yoke's badly methods (#1930)
    • Rename Yoke::project() functions to ::map_project() (#1955)
    • Remove stable_deref_trait/alloc from yoke's default feature set (#2094)
    • Move map_project() to closures (#2185)
  • zerofrom: No updates
  • zerovec:
    • Make VarZeroVec format configurable (#2306)
    • Add FlexZeroVec (#1790)
    • Add NicheBytes trait and NichedOptionULE (#2501)
    • Turn ZeroVec into a struct for optimization (#2599, #2622)
    • Improve performance of VarZeroVec::deserialize and add provider benches (#2603)
    • Add array impl for ZeroMapKV (#1875)
    • Remove lifetime from ZeroVecLike (#1901)
    • ZeroVecLike cleanup (#2024)
    • Remove serde_json dep from zeromap/litemap and align features (#1939)
    • Make various ZeroVec methods const (#1976)
    • Refactor ZeroMap2d and add get_by functions (#1876)
    • Add more zerovec impls for usize and FlexZeroVec (#2023)
    • Change charULE from 4 bytes to 3 bytes (#2015)
    • More impls in zerovec crate (#2054)
    • Add binary search and other utilities to FlexZeroVec (#2284)
    • Remove KeyError and rename get() to get_2d() (#2279)
    • EncodeAsVarULE for Cow (#2376)
    • Add ExactSizeIterator for FlexZeroVec::iter_*() (#2580)
    • Add permutation to ZVL containers (#2605)
  • FFI:
    • All non-experimental components now covered by FFI
    • Add FFI error strategy (#2045)
    • Configurable DataProvider FFI (#2526)
  • Experimental:
    • bies:
    • casemapping:
    • segmenter:
      • Expose RuleBreakIterator as a public interface (#2408)
      • Merge segmenter_lstm with segmenter (#2087)
      • Use CodePointTrie in Segmenter (#1839)
      • Move language detection to language.rs (#1689)
      • Simplify function in rule_segmenter (#1880)
      • Use dictionary segmenter for word. (#1936)
      • Remove std dependency from segmenter_lstm. (#2064)
      • Add Lao and Khmer LSTM models (#2120)
      • Use multiple dictionaries for line/word segmenter. (#2209)
      • Add a feature option not to use unicode-segmentation (#2212)
      • Remove two char types in line segmenter and polish utf8 iterator naming (#2269)

icu4x 0.6.0 (May 9, 2022)

  • General data model
    • Non-exhaustive errors for locid, calendar, decimal, plurals (#1792, #1793)
    • Rename "serialize" feature to "serde" (#1797)
    • Turn all errors into Copy types (#1657)
  • Components
    • calendar:
      • Coptic, Indian and Ethiopian calendars (#1660, #1715, #1779)
      • Calendar arithmetic (#1614)
    • datetime:
      • Formatting for fractional seconds (#1813, #1801)
      • Support for day of week in month ('F') (#1770)
      • Custom fallbacking for TimeZoneFormatter (#1591)
      • Support for week-of-month (#1468)
      • Bug fix to get_best_available_format_pattern skeleton matching logic (#1549)
    • decimal: No updates
    • locale_canonicalizer:
      • ZeroCopy support (#1760, #1777)
    • locid:
      • Simplified language representation (#1695)
      • Region, Script and Variant subtags ULE (#1696)
    • plurals:
      • Update data model to use ZeroVec (#1240)
    • properties:
      • Bidi support (#1716, #1784)
  • Utilities
    • codepointtrie:
      • Use 0 for error value for Rust out-of-bounds for primitive trie value types (#1804)
    • crlify: New util for line ending conversions
    • deduplicating_array: No updates
    • fixed_decimal:
      • Improvements to FixedDecimal f64 APIs (#1718)
    • litemap:
      • Pluggable LiteMap backends (#1769)
    • pattern: No updates
    • uniset: No updates
    • writeable: No updates
    • yoke: No updates
    • zerofrom: No updates
    • zerovec:
      • ZeroVec derive improvements (#1780)
      • Support non-Ord values in ZeroMap (#1743)
      • Add OptionULE and OptionVarULE (#1736)
      • Rename ZeroVec::from_slice and add new method for const-constructed ZeroSlice (#1728)
      • Treat ZeroMap sort order as an optional invariant (#1727)
      • Add ZeroMap::get_copied_by (#1722)
      • Generalize PairULE to support longer tuples (#1721)
      • Add more AsULE impls for primitives (#1672)
      • Add cast methods to ZeroVec and ZeroSlice (#1651)
      • Add RawBytesULE::slice_from_byte_slice (#1648)
      • Create façades for ZeroVec types, hide internal code organization modules (#1629)
      • Add zerovec::skip_kv and zerovec::skip_ord attributes, as well as generalized attribute handling framework (#1613)
      • Rename as_unaligned to to_unaligned (#1619)
  • FFI:
    • Updating to Diplomat 0.3
    • Making testdata an optional FFI dep (#1820)
    • Split out capi targets: make separate freertos, staticlib, and cdylib crates as targets (#1747)
  • Experimental:
    • crabbake: Initial version of baked data provider (#1825)
    • segmenter:
      • Support production-ready data provider for segmenters (#1652)
      • Implement dictionary based segmenter for line segmenter. (#1644)
      • Wire DataProvider into UAX29 segmenters (#1627)
      • Move UAX#14 defines to line.toml (#1568)
      • Add segmenter factories to generate UAX29 iterators (#1602)

icu4x 0.5.0 (Jan 31, 2022)

  • General data model
    • DataPayload no longer needs a lifetime (#1297, #1279)
    • Re-write DataKey (#1511)
    • Rewrite ErasedDataProvider as AnyProvider (#1495)
    • Add EitherProvider and rename IterableDataProviderCore to IterableProvider (#1455)
    • Change DataRequest to be borrowed in BufferProvider (#1416)
    • Replace SerdeDeDataProvider with BufferProvider (#1369, #1384)
  • Components
    • calendar:
      • Julian, Japanese, and Buddhist calendars (#1351, #1394, #1305)
      • DateTimeFormat integration (#1339)
      • Bugfix around arithmetic (#1352)
    • datetime:
      • Week-of-year support (#1206)
      • DateTimeFormat::resolve_components() (#1362)
      • Era formatting (#1346)
      • TimeZoneFormatterConfig (#1256)
      • New data model for organizing calendar data (#1300)
      • Bugfix around missing localized strings in time zone data (#1405)
    • decimal: No updates
    • locale_canonicalizer:
      • Bugfix in maximization (#1171)
      • Update data model to use LiteMap (#1275)
    • locid: No updates
    • plurals:
      • Update data model to use ZeroVec (#1240)
    • properties:
      • Rename resource key category for properties (#1406)
      • Rename enums for General_Category (#1355)
      • Implement the Canonical_Combining_Class property (#1347)
      • Implement Script_Extensions property (#1353)
      • Add General_Category predicate functions (#1310)
      • Implement Grapheme_Cluster_Break, Word_Break, and Sentence_Break Unicode properties (#1233)
  • Utilities
    • codepointtrie: No changes
    • deduplicating_array: New utility for efficient serialized representation of data with duplicates
    • fixed_decimal:
      • Padding and truncation APIs (#1482, #1507, #1195)
      • Add double-to-decimal via ryū (#1217)
      • Handle exponents in FixedDecimal::from_str() (#1265)
    • litemap:
      • Add LiteMap::get_indexed() and LiteMap::find_index()
      • Handle serialization of tuples (etc) in litemaps (#1306)
    • pattern: No updates
    • uniset: No updates
    • writeable:
      • Adding parts functionality to Writeable (#1438)
      • Change Writeable::writeable_to_string to return a Cow (#1452)
      • Implementing Writeable for all integers (#1408)
      • Making writeable::LengthHint a range (#1400)
      • Simplifying assert_writeable_parts_eq and assert_writeable_eq (#1522, #1399)
    • yoke:
      • Remove Yokeable::Output from ZeroCopyFrom trait (#1499)
      • Add EitherCart (#1484)
      • Remove attach_to_option_cart() (#1348)
      • Homogenize yoke generic impls to always work with Yokeable, add OwnedYokeable (#1302)
    • zerovec:
      • Move over to a model where the vector types deref to ZeroSlice and VarZeroSlice (#1418, #1371)
      • Simplify ZeroVec/VarZeroVec error handling, consolidate ULEError type (#1389)
      • Simplify ZeroMapKV (#1334)
      • Add ZeroMap2d, a two-dimensional zero-copy map (#1432)
      • Add borrowed-only version of ZeroMap (#1238)
      • Add various helper functions to zerovec (#1430)
      • Rename PlainOldULE to RawBytesULE (#1413)
      • Improve EncodeAsVarULE (#1385)
      • Add EncodeAsVarULE for ZeroVec (#1274, #1407)
      • Various trait impls (#1332, #1330, #1328, #1287)
      • Document ULE alignment guarantee; update all impls with checklists (#1294)
      • Fix PairULE validation function (#1266)
  • FFI:
    • Updating to the latest Diplomat
    • Add FFI for constructing Data Structs, including decimal data structs (#1497)
    • Add padding/truncation to FFI (#1501)
    • Add FFI for constructing fixed decimals from float (#1483)
    • Properties FFI (#1269)
  • Experimental:
    • New ListFormatter experiment
    • More progress on segmentation experiment

icu4x 0.4.0 (November 1, 2021)

  • Updated to CLDR 40 (#1216)
  • Functional Unicode property APIs and data; moved to new crate icu_properties (#148)
  • DateTimeFormat optimization: memory usage cut by two-thirds and perf improved by 40% (#519)
  • BlobDataProvider allowing for dynamic, asynchronous data loading (#1084)
  • Major upgrades to the zerovec utility crate and new benchmarks for ZeroMap (#1082, #1087)
  • Initial support for time zones in DateTimeFormat components bag (#845)
  • Bug fixes in LocaleCanicalizer (#1189, etc.)
  • Week of month/year arithmetic (#918)
  • Major improvements on code size across FFI (#962)
  • Iterations on ICU4X Segmenter (#1045, #1165, etc.)
  • Experimental ListFormatter (#1053)
  • ICU4X now requires Rust 1.56 (#1201)

icu4x 0.3.0 (July 29, 2021)

  • Static data provider without filesystem dependency (#78)
  • Infrastructure around zero-copy deserialization, including ZeroVec and Yoke (#652, #667)
  • Most ICU4X components support no_std (#812)
  • Hour cycle preferences are used by DateTimeFormat (#671)
  • Skeleton matching supports additional field widths (#584)
  • Add canonicalize method to LocaleCanonicalizer (#747)
  • Added range iterator on UnicodeSet (#836)
  • Add PluralRules::categories() function (#789)
  • Consolidated data generation tool into new binary icu4x-datagen

icu4x 0.2.0 (April 29, 2021)

  • Updated CLDR to 39 (#640)
  • Initial release of:
    • icu_decimal (#590)
    • icu_locale_canonicalizer (#417)
  • DateTimeFormat gets support for
    • day periods (#435)
    • time zones (#418)
    • components bag (#481)
  • UnicodeSet gets preliminary support for L3a subset (#478)
  • PluralRules support E operand (#407)
  • New utilities:
    • Writeable
    • ZeroVec
    • LiteMap
    • FixedDecimal
    • Pattern
  • Early prototype of C API - icu_capi

icu4x 0.1.0 (October 15, 2020)

  • Initial release of ICU4X.
  • Initial release of:
    • icu
    • icu_locid
    • icu_plurals
    • icu_datetime
    • icu_uniset
    • icu_provider
    • icu_provider_fs
    • icu_provider_cldr
    • icu_testdata
    • icu4x_ecma402
    • fixed_decimal