Replace specific ICU version match (.56 -> .73) with regex pattern \.[0-9][0-9] to match any 2-digit version number (10-99). This aligns with upstream's "BRIDGE-316: Update Qt to latest LTS version 6.8.2" while future-proofing for subsequent ICU versions.
ICU (International Components for Unicode) provides Unicode support. Binary compatibility is supported from ICU 3.0 onward, making this approach appropriate. Using generic .so symlinks offers flexibility with any compatible ICU version available on the system.
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