+ Possibility do disbale the sorting of Parameters
+ Bugfix with URLs in Values
+ new shortcut: strg+alt+U (mac users use alt+u for typing in umlauts)

Added Support for Seamonkey (well, actually just marked it as compatible :) ). Thanks Philip Chee for the hint.

Have a look at his xSidebar, makes integrating Firefox Sidebar Extensions into Seamonkey "as painless as possible."

* New: Now using nsIWebProgress for listening on page loads.
Now UrlParams notices faster when a page loads and problems with cached sites are also gone.
* Fixed: "="s inside a parameters value now works
* Fixed: replacing all incoming "+"s with %20 before urldecoding

* height of textbox issue fixed
* bug with the decoding of special urlencoded values fixed

*just changed the version number cause for addons.mozilla.org 1.10 is lower than 1.9
*removed external update url... thats why 1.10.0 was denied
*Toolbar Button/Icons
*Autocompleting Textboxes
*non-iso-8859-1 charachters fix
*Textboxtooltips
*open in seperate window (optional)
*de/encoded parameter names
*editable parameters names
*[+] button
*keeping of unchecked parameters
*drag&drop links onto urlparams

have a look at http://urlparams.blogwart.com/share/changelog.php for the complete changelog