PIVOT-13757: Fix locale bundling for JDK23+#94
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tibdex
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Apr 22, 2026
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Java 9 made the default locale data
CLDRinstead ofCOMPAThttps://openjdk.org/jeps/252, and JDK23 remove the legacy locales: https://inside.java/2024/07/11/quality-heads-up/The removal of those locales introduced a change of behavior: when the COMPAT locale provider was removed by https://bugs.openjdk.org/browse/JDK-8174269, the
jlinkplugin no longer pulls bare language parents in for region tags likefr-FR.The consequence is that
DecimalFormatSymbols.getInstance(Locale.forLanguageTag("fr-FR"))silently falls back to ROOT symbols, despitefr-FRstill appearing inLocale.getAvailableLocales().See https://bugs.openjdk.org/browse/JDK-8159214.