We've released 1.0.5. It's basically a security release for FCKeditorX with a few bugfixes. I would suggest upgrading when you get a chance. Here is the changelog...

 Version 1.0.5 "Molokai" -- Mar 26 2007 ----------------- - Fixes to Global Settings - Fixes to Delete Stylesheet Association - Spaces are no longer allowed in UDT names - $gCms is now given to smarty by default - Added ability to test the file creation mask in Global settings - Added page alias on mouseover when in listcontent. - Added safe_mode check into the admin section - Modified listmodules to display a message when safe mode is enabled and installing files via XML could be a problem. - Appropriate modifications to ModuleManager and ThemeManager for safe mode.