Unicode® ICU 78.3 is a maintenance update on top of ICU 78 and 78.2, mostly for the CLDR 48.2 bug fixes. In addition, it fixes a C++ code point iterator bug, and updates to timezone data 2026a.
Details: ICU 78
Download: releases/tag/release-78.3
Maven: com.ibm.icu / icu4j / version 78.3
The next major release of ICU will be ICU 79, planned for October. It will update to CLDR 49 and Unicode 18.