Please consider adding slot-operator to the dev-libs/icu dependency. Firefox is the only package on my system which was not rebuilt after upgrade of icu: !!! existing preserved libs: >>> package: dev-libs/icu-53.1 * - /usr/lib64/libicudata.so.52 * - /usr/lib64/libicudata.so.52.1 * - /usr/lib64/libicuuc.so.52 * - /usr/lib64/libicuuc.so.52.1 * used by /usr/lib64/firefox/libxul.so (www-client/firefox-31.2.0) * - /usr/lib64/libicui18n.so.52 * - /usr/lib64/libicui18n.so.52.1 * used by /usr/lib64/firefox/libxul.so (www-client/firefox-31.2.0) Use emerge @preserved-rebuild to rebuild packages using these libraries
Apologies, i thought that was one of the few slot-operators already there. Will fix with the next bump.
Fixed in mozilla-overlay, and I'll push the changes to the portage tree after November 25th (next release date).