Features of CYSFFE:

Optional themes provide an entire new look to both storygames and the main site
Updated storygame search that allows sorting and filtering by tags, rating, length, etc.
An overhaul of the My Stuff page that reenables the ability to add and organize widgets
Automatic linking of URLs and user tags in the forums, and sneak-peek enabled storygames on profile pages
Updated plain-text editor that boasts useful additions like line numbers, syntax highlighting for both HTML and CYS scripting language, bracket closing, and more
Storygame developer mode that allows tracking the order and number of times a link was followed, live modification of variables and items, the page's $PAGETEXT content, and quicksaves
Fixes for minor nitpicks
...and more!