The major change in this release the introduction of plugins, which add functionalities to cssed. They are loadable/unloadable at run time via the Plugins menu, and distributed as separate packages.
Available plugins are:
cssed-filebrowser-plugin: adds a file browser a la gnome2
cssed-findinfiles-plugin: adds a tab to the footer panel, which allows you to search for a term from a given directory
cssed-quicksearch-plugin: adds a search field to the toolbar, for use within the active document
cssed-tag-plugin: adds a new tab to the footer panel, to create and browse tags created with exuberant-ctags
cssed-vte-plugin: adds a console to the footer panel, from which you can execute any command line tool
Another plugin not included in the official release is:
cssed-plugindoc-plugin: adds an item to the plugin menu to browse the documentation for plugins, in case you want to write your own plugin.