Tuesday, March 5, 2024

Unicode CLDR v45 Alpha available for testing

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The Unicode CLDR v45 Alpha is now available for integration testing. 

CLDR provides key building blocks for software to support the world's languages (dates, times, numbers, sort-order, etc.) For example, all major browsers and all modern mobile phones use CLDR for language support. (See Who uses CLDR?)


Via the online Survey Tool, contributors supply data for their languages — data that is widely used to support much of the world’s software. This data is also a factor in determining which languages are supported on mobile phones and computer operating systems.


The alpha has already been integrated into the development version of ICU. We would especially appreciate feedback from non-ICU consumers of CLDR data and on Migration issues. Feedback can be filed at CLDR Tickets.


CLDR 45 is a closed release with no submission period, focusing on just a few areas:

MessageFormat 2.0 Tech Preview

Software needs to construct messages that incorporate various pieces of information. The complexities of the world's languages make this challenging. The goal for MessageFormat 2.0  is to allow developers and translators to create natural-sounding, grammatically-correct, user interfaces that can appear in any language and support the needs of diverse cultures.


The new MessageFormat defines the data model, syntax, processing, and conformance requirements for the next generation of dynamic messages. It is intended for adoption by programming languages, software libraries, and software localization tooling. It enables the integration of internationalization APIs (such as date or number formats), and grammatical matching (such as plurals or genders). It is extensible, allowing software developers to create formatting or message selection logic that add on to the core capabilities. Its data model provides a means of representing existing syntaxes, thus enabling gradual adoption by users of older formatting systems.


See also:

Keyboard 3.0 stable version

Keyboard support for digitally disadvantaged languages is often lacking or inconsistent between platforms. The updated LDML Keyboard 3.0 format specifies an interchange format for keyboard data. This will allow keyboard authors to create a single mapping file for their language, which implementations can use to provide that language’s keyboard mapping on their own platform. This format allows both physical and virtual (that is, on-screen or touch) keyboard layouts for a language to be defined in a single file.


See also:

Tooling changes

Many tooling changes are difficult to accommodate in a data-submission release, including performance work and UI improvements. The changes in v45 provide faster turn-around for linguists and higher data quality. They are targeted at the v46 submission period, starting in May, 2024.

For more information

See the draft CLDR v45 release page, which has information on accessing the data, reviewing charts of the changes, and — importantly — Migration issues.


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