About this Plugin
This plugin does absolutely nothing except load the core SimplePie library so that all other plugins that utilize SimplePie can all share the same up-to-date version. It also helps minimize potential conflicts between SimplePie-powered plugins.
Read the
Release Notes for details on what's new.
Fresh Install
Upload the simplepie-core plugin folder to the WordPress plugins directory (wp-content/plugins).
Upgrading?
Disable the old version in the WordPress control panel, delete the entire folder for the old version (wp-content/plugins/simplepie-core), then upload the simplepie-core plugin folder to the WordPress plugins directory (wp-content/plugins).