For people who are interested in internationalization (i18n), they are likely writing software using ICU, the gold standard library for internationalization functionality and performance. Of course, ICU is available only in C++/C (“ICU4C”) and Java (“ICU4J”), and is quite the behemoth. In order to support other programming languages directly and to support more resource-constrained computing environments (ex: mobile), we have the ICU4X the project.
The first preliminary release, v 0.1, is now official, and the current code has been published in Rust crates.io.
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