I updated gentoo today and noticed:
>>> Installing (226 of 226) kde-base/kdebase-startkde-4.11.22::gentoo
 * Updating desktop mime database ...
 * Updating shared mime info database ...
 * Updating desktop mime database ...
 * Updating shared mime info database ...
 * To enable gpg-agent and/or ssh-agent in KDE sessions,
 * edit /etc/kde/startup/agent-startup.sh and
 * /etc/kde/shutdown/agent-shutdown.sh
 * The name of the session script has changed.
 * If you currently have XSESSION="kde-4.11" in your
 * configuration files, you will need to change it to