* Add link level dependency awareness to emerge --depclean and --prune actions
in order to protect against uninstallation of required libraries.
* Add support for generic package sets (also see RELEASE-NOTES)
+* Add support for FEATURES=preserve-libs which preserves libraries when the
+ sonames change during upgrade or downgrade, and the @preserved-rebuild
+ package set which rebuilds consumers of preserved libraries.
* Add EAPI 4_pre1 support, for testing purposes.
portage-2.1.9