ICU 74 and CLDR 44 are major releases, including a new version of Unicode and major locale data improvements. They subsume the changes for the ICU 73.2 and CLDR 43.1 maintenance releases.
Unicode 15.1 adds source code security mechanisms, improves line breaking for southeast Asian scripts, and adds important CJK unified ideographs.
CLDR 44 has added or improved data for a number of languages that have been newly added to ICU, and has improved measurement unit handling, conversion, and formatting.
ICU 74 implements these improvements, adds new C APIs for locale handling, adds a plug-in API for word segmentation, and switches the Java build system to Maven.
For details, please see https://icu.unicode.org/download/74.
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