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ICU-22723 start ICU 76 download page
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| --- | ||
| layout: default | ||
| title: ICU 76 | ||
| nav_order: 9999 | ||
| has_children: false | ||
| --- | ||
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| <!-- | ||
| © 2024 and later: Unicode, Inc. and others. | ||
| License & terms of use: http://www.unicode.org/copyright.html | ||
| --> | ||
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| <!-- TODO: fix nav_order, add download/index.html, hook into docs/index.md --> | ||
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| # ICU 76 | ||
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| ICU is the [premier library for software internationalization](https://icu.unicode.org/#h.i33fakvpjb7o), used by a [wide array of companies and organizations](https://icu.unicode.org/#h.f9qwubthqabj). | ||
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| ## Release Overview | ||
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| ICU 76 updates to [Unicode 16](https://www.unicode.org/versions/Unicode16.0.0/) (TODO: link to blog), | ||
| including new characters and scripts, emoji, collation & IDNA changes, and corresponding APIs and implementations. | ||
| It also updates to [CLDR 46](https://github.com/unicode-org/cldr/blob/main/docs/site/downloads/cldr-46.md) (TODO: link to blog) locale data with new locales and various additions and corrections. | ||
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| There are some new APIs to make ICU easier to use with modern C++ and Java patterns. | ||
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| The Java and C++ technology preview implementations of the (also in [tech preview](https://github.com/unicode-org/message-format-wg?tab=readme-ov-file#messageformat-2-technical-preview)) CLDR MessageFormat 2.0 specification have been updated to match recent changes. | ||
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| For more details, including migration issues, see below. | ||
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| Please use the [icu-support mailing list](https://icu.unicode.org/contacts) and/or [find/submit error reports](https://icu.unicode.org/bugs). | ||
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| ### Version Number | ||
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| The initial release has library version number 76.1. | ||
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| * Release date: 2024-10-TODO | ||
| * [List of tickets fixed in ICU 76](https://unicode-org.atlassian.net/issues/?jql=project%20%3D%20ICU%20AND%20status%20%3D%20Done%20AND%20resolution%20in%20%28Fixed%2C%20%22Fixed%20by%20Other%20Ticket%22%29%20AND%20fixVersion%20%3D%2076.1%20ORDER%20BY%20component%20ASC%2C%20created%20DESC) | ||
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| If there are maintenance releases, they will be 76.2, 76.3, etc. (During ICU 76 development, the library version number was 76.0.x.) | ||
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| Note: There may be additional commits on the [maint/maint-76](https://github.com/unicode-org/icu/tree/maint/maint-76) branch that are not included in the prepackaged download files. | ||
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| ## Common Changes | ||
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| * [Unicode 16](https://www.unicode.org/versions/Unicode16.0.0/) (TODO: link to blog): | ||
| * TODO | ||
| * [CLDR 46](https://github.com/unicode-org/cldr/blob/main/docs/site/downloads/cldr-46.md) (TODO: link to blog): | ||
| * TODO: new stuff | ||
| * TODO: below is from 45 | ||
| * MessageFormat 2.0 tech preview being included into LDML. | ||
| * Structural “under the hood” work and limited data bug fixes, but no new data collection. | ||
| * Some time zones deprecated following IANA TZ database changes. | ||
| * TODO: new stuff | ||
| * TODO: below is from 75 | ||
| * New Unicode properties APIs for Identifier_Status and Identifier_Type, defined by UTS \#39 Unicode Security Mechanisms, [General Security Profile for Identifiers](https://www.unicode.org/reports/tr39/#General_Security_Profile). ([ICU-11396](https://unicode-org.atlassian.net/browse/ICU-11396)) | ||
| * Time zone data (tzdata) version 2024a (2024-jan). Note that pre-1970 data for a number of time zones has been removed, as has been the case in the upstream [tzdata](https://www.iana.org/time-zones) release since 2021b. | ||
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| ## ICU4C Specific Changes | ||
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| * [API changes since ICU4C 75 (Markdown)](https://github.com/unicode-org/icu/blob/maint/maint-76/icu4c/APIChangeReport.md) / [(HTML)](https://htmlpreview.github.io/?https://github.com/unicode-org/icu/blob/maint/maint-76/icu4c/APIChangeReport.html) | ||
| * TODO: new stuff | ||
| * TODO: below is from 75 | ||
| * MessageFormat 2.0 tech preview new API ([ICU-22261](https://unicode-org.atlassian.net/browse/ICU-22261)) | ||
| * C: Require C11 (up from C99) | ||
| * C++: Require C++17 (up from C++11) | ||
| * Many changes for more robust string and buffer handling. | ||
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| ## ICU4J Specific Changes | ||
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| * [API Changes since ICU4J 75](https://htmlpreview.github.io/?https://github.com/unicode-org/icu/blob/maint/maint-76/icu4j/APIChangeReport.html) | ||
| * TODO: new stuff | ||
| * TODO: below is from 75 | ||
| * MessageFormat 2.0 tech preview update ([ICU-22690](https://unicode-org.atlassian.net/browse/ICU-22690)) | ||
| * Performance (multi-threading / lock contention) improvement for BreakIterator.clone() and ULocale.getDefault(). ([ICU-22582](https://unicode-org.atlassian.net/browse/ICU-22582)) | ||
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| ## Known Issues | ||
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| * TODO: new stuff | ||
| * TODO: below is from 75 | ||
| * [ICU-22729](https://unicode-org.atlassian.net/browse/ICU-22729) udatpg_getBestPattern requires exact skeleton match in ICU 76 | ||
| * Due to a combination of an ICU bug fix and issues with CLDR availableFormats data, some skeletons in some languages yield inconsistent data/time formatting patterns. | ||
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| ## Migration Issues | ||
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| * See [CLDR 46 migration issues](https://github.com/unicode-org/cldr/blob/main/docs/site/downloads/cldr-46.md#migration) | ||
| * TODO: new stuff | ||
| * TODO: below is from 75 | ||
| * ICU4C behavior for ill-formed locale IDs/language tags: uloc_getName(), uloc_getLanguage() and similar functions (and functions that rely on them) may fail with a U_ILLEGAL_ARGUMENT_ERROR when they used to fail only with a U_BUFFER_OVERFLOW_ERROR. (due to changes for [ICU-22520](https://unicode-org.atlassian.net/browse/ICU-22520)) | ||
| * On Linux, the configure script now defaults to "cc" rather than preferring "clang". If you want to choose clang, then configure for "Linux/clang". ([ICU-22556](https://unicode-org.atlassian.net/browse/ICU-22556)) | ||
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| ## ICU4C Platform Support | ||
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| ICU4C requires C++17 and has been tested with up to C++20. | ||
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| We routinely test on recent versions of Linux, macOS, and Windows. | ||
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| We accept patches for other platforms. | ||
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| Windows: The minimum supported version is Windows 7. (See [How To Build And Install On Windows](../userguide/icu4c/build.html#how-to-build-and-install-on-windows) for more details.) | ||
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| ## ICU4J Platform Support | ||
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| ICU4J works on Java 8..17 (at least). | ||
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| ICU4J should work on Android API level 21 and later but may require “[library desugaring](https://developer.android.com/studio/write/java8-support#library-desugaring)”. | ||
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| ## Download | ||
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| Source and binary downloads are available on the git/GitHub tag page: TODO: https://github.com/unicode-org/icu/releases/tag/release-76-1 | ||
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| See the [Source Code Setup](../devsetup/source/) page for how to download the ICU file tree directly from GitHub. | ||
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| ICU locale data was generated from CLDR data equivalent to: | ||
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| * TODO: fix/update | ||
| * https://github.com/unicode-org/cldr/releases/tag/release-46-beta4 | ||
| * https://github.com/unicode-org/cldr-staging/releases/tag/release-46-beta4 | ||
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| TODO: Maven dependency: | ||
| ``` | ||
| <dependency> | ||
| <groupId>com.ibm.icu</groupId> | ||
| <artifactId>icu4j</artifactId> | ||
| <version>76.1</version> | ||
| </dependency> | ||
| ``` |