emerge will no longer perform an automatic downgrade as part of a "world"
update. You should either unmask such packages or else explicitly re-merge
them in order to have them dowgraded to an unmasked version.
svn path=/main/trunk/; revision=9708
* "world" does no longer include "system" unconditionally, but you can add
"@system" to the worldfile to restore the old state.
+portage-2.1.5
+==================================
+* In the event that a previously installed package has since been masked,
+ emerge will no longer perform an automatic downgrade as part of a "world"
+ update. You should either unmask such packages or else explicitly re-merge
+ them in order to have them dowgraded to an unmasked version.
+
portage-2.1.4.1
==================================