sonames change during upgrade or downgrade, and the @preserved-rebuild
package set which rebuilds consumers of preserved libraries.
+portage-2.1.11
+-------------
+
+* Add support for experimental EAPI "4-slot-abi". Refer to the corresponding
+ html documentation that is installed with USE=doc, and also to the emerge(1)
+ man page for information about the related --ignore-built-slot-abi-deps and
+ --rebuild-if-new-slot-abi options.
+
portage-2.1.10
-------------
+
* Improve handling of repositories/overlays for cases in which the same ebuild
is provided by multiple repositories but with different masking status, and
support for repository constraints on atoms (atom::repo) in configuration