diff -ur harfbuzz.org/src/meson.build harfbuzz/src/meson.build
--- harfbuzz.org/src/meson.build	2025-04-30 11:53:08
+++ harfbuzz/src/meson.build	2025-04-30 12:02:08
@@ -624,6 +624,7 @@
   include_directories: incconfig,
   dependencies: harfbuzz_deps,
   cpp_args: cpp_args + extra_hb_cpp_args,
+  gnu_symbol_visibility: 'hidden',
   soversion: hb_so_version,
   version: version,
   install: true,